diff options
Diffstat (limited to 'docs/sqlglot/optimizer')
| -rw-r--r-- | docs/sqlglot/optimizer/annotate_types.html | 6 | ||||
| -rw-r--r-- | docs/sqlglot/optimizer/merge_subqueries.html | 2 | ||||
| -rw-r--r-- | docs/sqlglot/optimizer/optimizer.html | 2 | ||||
| -rw-r--r-- | docs/sqlglot/optimizer/qualify.html | 8 | ||||
| -rw-r--r-- | docs/sqlglot/optimizer/qualify_columns.html | 1192 | ||||
| -rw-r--r-- | docs/sqlglot/optimizer/simplify.html | 1552 |
6 files changed, 1408 insertions, 1354 deletions
diff --git a/docs/sqlglot/optimizer/annotate_types.html b/docs/sqlglot/optimizer/annotate_types.html index 394cba0..c762755 100644 --- a/docs/sqlglot/optimizer/annotate_types.html +++ b/docs/sqlglot/optimizer/annotate_types.html @@ -904,7 +904,7 @@ <div class="attr variable"> <span class="name">TYPE_TO_EXPRESSIONS</span><span class="annotation">: Dict[<a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a>, Set[Type[<a href="../expressions.html#Expression">sqlglot.expressions.Expression</a>]]]</span> = <input id="TypeAnnotator.TYPE_TO_EXPRESSIONS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> - <label class="view-value-button pdoc-button" for="TypeAnnotator.TYPE_TO_EXPRESSIONS-view-value"></label><span class="default_value">{<Type.BIGINT: 'BIGINT'>: {<class '<a href="../expressions.html#ArraySize">sqlglot.expressions.ArraySize</a>'>, <class '<a href="../expressions.html#Length">sqlglot.expressions.Length</a>'>, <class '<a href="../expressions.html#ApproxDistinct">sqlglot.expressions.ApproxDistinct</a>'>, <class '<a href="../expressions.html#Count">sqlglot.expressions.Count</a>'>}, <Type.BOOLEAN: 'BOOLEAN'>: {<class '<a href="../expressions.html#In">sqlglot.expressions.In</a>'>, <class '<a href="../expressions.html#Boolean">sqlglot.expressions.Boolean</a>'>, <class '<a href="../expressions.html#Between">sqlglot.expressions.Between</a>'>, <class '<a href="../expressions.html#RegexpLike">sqlglot.expressions.RegexpLike</a>'>}, <Type.DATE: 'DATE'>: {<class '<a href="../expressions.html#DateSub">sqlglot.expressions.DateSub</a>'>, <class '<a href="../expressions.html#DiToDate">sqlglot.expressions.DiToDate</a>'>, <class '<a href="../expressions.html#DateAdd">sqlglot.expressions.DateAdd</a>'>, <class '<a href="../expressions.html#TsOrDsToDate">sqlglot.expressions.TsOrDsToDate</a>'>, <class '<a href="../expressions.html#Date">sqlglot.expressions.Date</a>'>, <class '<a href="../expressions.html#StrToDate">sqlglot.expressions.StrToDate</a>'>, <class '<a href="../expressions.html#CurrentDate">sqlglot.expressions.CurrentDate</a>'>, <class '<a href="../expressions.html#DateStrToDate">sqlglot.expressions.DateStrToDate</a>'>, <class '<a href="../expressions.html#DateTrunc">sqlglot.expressions.DateTrunc</a>'>, <class '<a href="../expressions.html#TimeStrToDate">sqlglot.expressions.TimeStrToDate</a>'>}, <Type.DATETIME: 'DATETIME'>: {<class '<a href="../expressions.html#DatetimeSub">sqlglot.expressions.DatetimeSub</a>'>, <class '<a href="../expressions.html#DatetimeAdd">sqlglot.expressions.DatetimeAdd</a>'>, <class '<a href="../expressions.html#CurrentDatetime">sqlglot.expressions.CurrentDatetime</a>'>}, <Type.DOUBLE: 'DOUBLE'>: {<class '<a href="../expressions.html#Quantile">sqlglot.expressions.Quantile</a>'>, <class '<a href="../expressions.html#Ln">sqlglot.expressions.Ln</a>'>, <class '<a href="../expressions.html#Sqrt">sqlglot.expressions.Sqrt</a>'>, <class '<a href="../expressions.html#Exp">sqlglot.expressions.Exp</a>'>, <class '<a href="../expressions.html#Variance">sqlglot.expressions.Variance</a>'>, <class '<a href="../expressions.html#VariancePop">sqlglot.expressions.VariancePop</a>'>, <class '<a href="../expressions.html#Avg">sqlglot.expressions.Avg</a>'>, <class '<a href="../expressions.html#Pow">sqlglot.expressions.Pow</a>'>, <class '<a href="../expressions.html#StddevSamp">sqlglot.expressions.StddevSamp</a>'>, <class '<a href="../expressions.html#SafeDivide">sqlglot.expressions.SafeDivide</a>'>, <class '<a href="../expressions.html#StddevPop">sqlglot.expressions.StddevPop</a>'>, <class '<a href="../expressions.html#Log10">sqlglot.expressions.Log10</a>'>, <class '<a href="../expressions.html#Stddev">sqlglot.expressions.Stddev</a>'>, <class '<a href="../expressions.html#Round">sqlglot.expressions.Round</a>'>, <class '<a href="../expressions.html#Log2">sqlglot.expressions.Log2</a>'>, <class '<a href="../expressions.html#ApproxQuantile">sqlglot.expressions.ApproxQuantile</a>'>, <class '<a href="../expressions.html#Log">sqlglot.expressions.Log</a>'>}, <Type.INT: 'INT'>: {<class '<a href="../expressions.html#TsOrDiToDi">sqlglot.expressions.TsOrDiToDi</a>'>, <class '<a href="../expressions.html#TimeDiff">sqlglot.expressions.TimeDiff</a>'>, <class '<a href="../expressions.html#TimestampDiff">sqlglot.expressions.TimestampDiff</a>'>, <class '<a href="../expressions.html#Levenshtein">sqlglot.expressions.Levenshtein</a>'>, <class '<a href="../expressions.html#StrPosition">sqlglot.expressions.StrPosition</a>'>, <class '<a href="../expressions.html#DatetimeDiff">sqlglot.expressions.DatetimeDiff</a>'>, <class '<a href="../expressions.html#Ceil">sqlglot.expressions.Ceil</a>'>, <class '<a href="../expressions.html#Extract">sqlglot.expressions.Extract</a>'>, <class '<a href="../expressions.html#DateToDi">sqlglot.expressions.DateToDi</a>'>, <class '<a href="../expressions.html#Floor">sqlglot.expressions.Floor</a>'>, <class '<a href="../expressions.html#DateDiff">sqlglot.expressions.DateDiff</a>'>}, <Type.TIMESTAMP: 'TIMESTAMP'>: {<class '<a href="../expressions.html#TimeSub">sqlglot.expressions.TimeSub</a>'>, <class '<a href="../expressions.html#TimestampSub">sqlglot.expressions.TimestampSub</a>'>, <class '<a href="../expressions.html#TimeAdd">sqlglot.expressions.TimeAdd</a>'>, <class '<a href="../expressions.html#TimestampAdd">sqlglot.expressions.TimestampAdd</a>'>, <class '<a href="../expressions.html#CurrentTimestamp">sqlglot.expressions.CurrentTimestamp</a>'>, <class '<a href="../expressions.html#CurrentTime">sqlglot.expressions.CurrentTime</a>'>, <class '<a href="../expressions.html#StrToTime">sqlglot.expressions.StrToTime</a>'>, <class '<a href="../expressions.html#UnixToTime">sqlglot.expressions.UnixToTime</a>'>, <class '<a href="../expressions.html#TimeStrToTime">sqlglot.expressions.TimeStrToTime</a>'>}, <Type.TINYINT: 'TINYINT'>: {<class '<a href="../expressions.html#Day">sqlglot.expressions.Day</a>'>, <class '<a href="../expressions.html#Month">sqlglot.expressions.Month</a>'>, <class '<a href="../expressions.html#Year">sqlglot.expressions.Year</a>'>, <class '<a href="../expressions.html#Week">sqlglot.expressions.Week</a>'>}, <Type.VARCHAR: 'VARCHAR'>: {<class '<a href="../expressions.html#ConcatWs">sqlglot.expressions.ConcatWs</a>'>, <class '<a href="../expressions.html#Initcap">sqlglot.expressions.Initcap</a>'>, <class '<a href="../expressions.html#SafeConcat">sqlglot.expressions.SafeConcat</a>'>, <class '<a href="../expressions.html#Substring">sqlglot.expressions.Substring</a>'>, <class '<a href="../expressions.html#TimeToTimeStr">sqlglot.expressions.TimeToTimeStr</a>'>, <class '<a href="../expressions.html#Concat">sqlglot.expressions.Concat</a>'>, <class '<a href="../expressions.html#TimeToStr">sqlglot.expressions.TimeToStr</a>'>, <class '<a href="../expressions.html#TsOrDsToDateStr">sqlglot.expressions.TsOrDsToDateStr</a>'>, <class '<a href="../expressions.html#GroupConcat">sqlglot.expressions.GroupConcat</a>'>, <class '<a href="../expressions.html#Upper">sqlglot.expressions.Upper</a>'>, <class '<a href="../expressions.html#Lower">sqlglot.expressions.Lower</a>'>, <class '<a href="../expressions.html#ArrayConcat">sqlglot.expressions.ArrayConcat</a>'>, <class '<a href="../expressions.html#Trim">sqlglot.expressions.Trim</a>'>, <class '<a href="../expressions.html#UnixToTimeStr">sqlglot.expressions.UnixToTimeStr</a>'>, <class '<a href="../expressions.html#DateToDateStr">sqlglot.expressions.DateToDateStr</a>'>, <class '<a href="../expressions.html#UnixToStr">sqlglot.expressions.UnixToStr</a>'>}}</span> + <label class="view-value-button pdoc-button" for="TypeAnnotator.TYPE_TO_EXPRESSIONS-view-value"></label><span class="default_value">{<Type.BIGINT: 'BIGINT'>: {<class '<a href="../expressions.html#Length">sqlglot.expressions.Length</a>'>, <class '<a href="../expressions.html#ArraySize">sqlglot.expressions.ArraySize</a>'>, <class '<a href="../expressions.html#ApproxDistinct">sqlglot.expressions.ApproxDistinct</a>'>, <class '<a href="../expressions.html#Count">sqlglot.expressions.Count</a>'>}, <Type.BOOLEAN: 'BOOLEAN'>: {<class '<a href="../expressions.html#Between">sqlglot.expressions.Between</a>'>, <class '<a href="../expressions.html#In">sqlglot.expressions.In</a>'>, <class '<a href="../expressions.html#Boolean">sqlglot.expressions.Boolean</a>'>, <class '<a href="../expressions.html#RegexpLike">sqlglot.expressions.RegexpLike</a>'>}, <Type.DATE: 'DATE'>: {<class '<a href="../expressions.html#TsOrDsToDate">sqlglot.expressions.TsOrDsToDate</a>'>, <class '<a href="../expressions.html#CurrentDate">sqlglot.expressions.CurrentDate</a>'>, <class '<a href="../expressions.html#DiToDate">sqlglot.expressions.DiToDate</a>'>, <class '<a href="../expressions.html#DateStrToDate">sqlglot.expressions.DateStrToDate</a>'>, <class '<a href="../expressions.html#DateTrunc">sqlglot.expressions.DateTrunc</a>'>, <class '<a href="../expressions.html#DateSub">sqlglot.expressions.DateSub</a>'>, <class '<a href="../expressions.html#StrToDate">sqlglot.expressions.StrToDate</a>'>, <class '<a href="../expressions.html#Date">sqlglot.expressions.Date</a>'>, <class '<a href="../expressions.html#DateAdd">sqlglot.expressions.DateAdd</a>'>, <class '<a href="../expressions.html#TimeStrToDate">sqlglot.expressions.TimeStrToDate</a>'>}, <Type.DATETIME: 'DATETIME'>: {<class '<a href="../expressions.html#DatetimeAdd">sqlglot.expressions.DatetimeAdd</a>'>, <class '<a href="../expressions.html#DatetimeSub">sqlglot.expressions.DatetimeSub</a>'>, <class '<a href="../expressions.html#CurrentDatetime">sqlglot.expressions.CurrentDatetime</a>'>}, <Type.DOUBLE: 'DOUBLE'>: {<class '<a href="../expressions.html#Avg">sqlglot.expressions.Avg</a>'>, <class '<a href="../expressions.html#Round">sqlglot.expressions.Round</a>'>, <class '<a href="../expressions.html#Exp">sqlglot.expressions.Exp</a>'>, <class '<a href="../expressions.html#Log10">sqlglot.expressions.Log10</a>'>, <class '<a href="../expressions.html#ApproxQuantile">sqlglot.expressions.ApproxQuantile</a>'>, <class '<a href="../expressions.html#Log2">sqlglot.expressions.Log2</a>'>, <class '<a href="../expressions.html#Variance">sqlglot.expressions.Variance</a>'>, <class '<a href="../expressions.html#VariancePop">sqlglot.expressions.VariancePop</a>'>, <class '<a href="../expressions.html#Quantile">sqlglot.expressions.Quantile</a>'>, <class '<a href="../expressions.html#Log">sqlglot.expressions.Log</a>'>, <class '<a href="../expressions.html#Sqrt">sqlglot.expressions.Sqrt</a>'>, <class '<a href="../expressions.html#StddevSamp">sqlglot.expressions.StddevSamp</a>'>, <class '<a href="../expressions.html#StddevPop">sqlglot.expressions.StddevPop</a>'>, <class '<a href="../expressions.html#Ln">sqlglot.expressions.Ln</a>'>, <class '<a href="../expressions.html#Stddev">sqlglot.expressions.Stddev</a>'>, <class '<a href="../expressions.html#Pow">sqlglot.expressions.Pow</a>'>, <class '<a href="../expressions.html#SafeDivide">sqlglot.expressions.SafeDivide</a>'>}, <Type.INT: 'INT'>: {<class '<a href="../expressions.html#DateToDi">sqlglot.expressions.DateToDi</a>'>, <class '<a href="../expressions.html#StrPosition">sqlglot.expressions.StrPosition</a>'>, <class '<a href="../expressions.html#TsOrDiToDi">sqlglot.expressions.TsOrDiToDi</a>'>, <class '<a href="../expressions.html#DatetimeDiff">sqlglot.expressions.DatetimeDiff</a>'>, <class '<a href="../expressions.html#Ceil">sqlglot.expressions.Ceil</a>'>, <class '<a href="../expressions.html#Extract">sqlglot.expressions.Extract</a>'>, <class '<a href="../expressions.html#Floor">sqlglot.expressions.Floor</a>'>, <class '<a href="../expressions.html#DateDiff">sqlglot.expressions.DateDiff</a>'>, <class '<a href="../expressions.html#Levenshtein">sqlglot.expressions.Levenshtein</a>'>, <class '<a href="../expressions.html#TimeDiff">sqlglot.expressions.TimeDiff</a>'>, <class '<a href="../expressions.html#TimestampDiff">sqlglot.expressions.TimestampDiff</a>'>}, <Type.TIMESTAMP: 'TIMESTAMP'>: {<class '<a href="../expressions.html#TimeSub">sqlglot.expressions.TimeSub</a>'>, <class '<a href="../expressions.html#TimestampSub">sqlglot.expressions.TimestampSub</a>'>, <class '<a href="../expressions.html#TimeAdd">sqlglot.expressions.TimeAdd</a>'>, <class '<a href="../expressions.html#CurrentTimestamp">sqlglot.expressions.CurrentTimestamp</a>'>, <class '<a href="../expressions.html#TimestampAdd">sqlglot.expressions.TimestampAdd</a>'>, <class '<a href="../expressions.html#CurrentTime">sqlglot.expressions.CurrentTime</a>'>, <class '<a href="../expressions.html#UnixToTime">sqlglot.expressions.UnixToTime</a>'>, <class '<a href="../expressions.html#StrToTime">sqlglot.expressions.StrToTime</a>'>, <class '<a href="../expressions.html#TimeStrToTime">sqlglot.expressions.TimeStrToTime</a>'>}, <Type.TINYINT: 'TINYINT'>: {<class '<a href="../expressions.html#Day">sqlglot.expressions.Day</a>'>, <class '<a href="../expressions.html#Week">sqlglot.expressions.Week</a>'>, <class '<a href="../expressions.html#Year">sqlglot.expressions.Year</a>'>, <class '<a href="../expressions.html#Month">sqlglot.expressions.Month</a>'>}, <Type.VARCHAR: 'VARCHAR'>: {<class '<a href="../expressions.html#GroupConcat">sqlglot.expressions.GroupConcat</a>'>, <class '<a href="../expressions.html#Concat">sqlglot.expressions.Concat</a>'>, <class '<a href="../expressions.html#Lower">sqlglot.expressions.Lower</a>'>, <class '<a href="../expressions.html#DateToDateStr">sqlglot.expressions.DateToDateStr</a>'>, <class '<a href="../expressions.html#Substring">sqlglot.expressions.Substring</a>'>, <class '<a href="../expressions.html#ArrayConcat">sqlglot.expressions.ArrayConcat</a>'>, <class '<a href="../expressions.html#TimeToTimeStr">sqlglot.expressions.TimeToTimeStr</a>'>, <class '<a href="../expressions.html#TimeToStr">sqlglot.expressions.TimeToStr</a>'>, <class '<a href="../expressions.html#TsOrDsToDateStr">sqlglot.expressions.TsOrDsToDateStr</a>'>, <class '<a href="../expressions.html#Upper">sqlglot.expressions.Upper</a>'>, <class '<a href="../expressions.html#Trim">sqlglot.expressions.Trim</a>'>, <class '<a href="../expressions.html#Initcap">sqlglot.expressions.Initcap</a>'>, <class '<a href="../expressions.html#UnixToTimeStr">sqlglot.expressions.UnixToTimeStr</a>'>, <class '<a href="../expressions.html#ConcatWs">sqlglot.expressions.ConcatWs</a>'>, <class '<a href="../expressions.html#UnixToStr">sqlglot.expressions.UnixToStr</a>'>, <class '<a href="../expressions.html#SafeConcat">sqlglot.expressions.SafeConcat</a>'>}}</span> </div> @@ -917,7 +917,7 @@ <div class="attr variable"> <span class="name">ANNOTATORS</span><span class="annotation">: Dict</span> = <input id="TypeAnnotator.ANNOTATORS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> - <label class="view-value-button pdoc-button" for="TypeAnnotator.ANNOTATORS-view-value"></label><span class="default_value">{<class '<a href="../expressions.html#Alias">sqlglot.expressions.Alias</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseNot">sqlglot.expressions.BitwiseNot</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Neg">sqlglot.expressions.Neg</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Not">sqlglot.expressions.Not</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Paren">sqlglot.expressions.Paren</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Unary">sqlglot.expressions.Unary</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Add">sqlglot.expressions.Add</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#And">sqlglot.expressions.And</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#ArrayContained">sqlglot.expressions.ArrayContained</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#ArrayContains">sqlglot.expressions.ArrayContains</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#ArrayOverlaps">sqlglot.expressions.ArrayOverlaps</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Binary">sqlglot.expressions.Binary</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseAnd">sqlglot.expressions.BitwiseAnd</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseLeftShift">sqlglot.expressions.BitwiseLeftShift</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseOr">sqlglot.expressions.BitwiseOr</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseRightShift">sqlglot.expressions.BitwiseRightShift</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#BitwiseXor">sqlglot.expressions.BitwiseXor</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Collate">sqlglot.expressions.Collate</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Connector">sqlglot.expressions.Connector</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#DPipe">sqlglot.expressions.DPipe</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Distance">sqlglot.expressions.Distance</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Div">sqlglot.expressions.Div</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Dot">sqlglot.expressions.Dot</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#EQ">sqlglot.expressions.EQ</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Escape">sqlglot.expressions.Escape</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#GT">sqlglot.expressions.GT</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#GTE">sqlglot.expressions.GTE</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Glob">sqlglot.expressions.Glob</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#ILike">sqlglot.expressions.ILike</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#ILikeAny">sqlglot.expressions.ILikeAny</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#IntDiv">sqlglot.expressions.IntDiv</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Is">sqlglot.expressions.Is</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#JSONBContains">sqlglot.expressions.JSONBContains</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#JSONBExtract">sqlglot.expressions.JSONBExtract</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#JSONBExtractScalar">sqlglot.expressions.JSONBExtractScalar</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#JSONExtract">sqlglot.expressions.JSONExtract</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#JSONExtractScalar">sqlglot.expressions.JSONExtractScalar</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Kwarg">sqlglot.expressions.Kwarg</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#LT">sqlglot.expressions.LT</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#LTE">sqlglot.expressions.LTE</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Like">sqlglot.expressions.Like</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#LikeAny">sqlglot.expressions.LikeAny</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Mod">sqlglot.expressions.Mod</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Mul">sqlglot.expressions.Mul</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#NEQ">sqlglot.expressions.NEQ</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#NullSafeEQ">sqlglot.expressions.NullSafeEQ</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#NullSafeNEQ">sqlglot.expressions.NullSafeNEQ</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Or">sqlglot.expressions.Or</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Overlaps">sqlglot.expressions.Overlaps</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a href="../expressions.html#Pow">sqlglot.expressions.Pow</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#SafeDPipe">sqlglot.expressions.SafeDPipe</a>'>: <function TypeAnnotator.<dictcomp>.<lambda>>, <class '<a 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_annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#ApproxQuantile">sqlglot.expressions.ApproxQuantile</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Log2">sqlglot.expressions.Log2</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Variance">sqlglot.expressions.Variance</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#VariancePop">sqlglot.expressions.VariancePop</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Quantile">sqlglot.expressions.Quantile</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Log">sqlglot.expressions.Log</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Sqrt">sqlglot.expressions.Sqrt</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#StddevSamp">sqlglot.expressions.StddevSamp</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#StddevPop">sqlglot.expressions.StddevPop</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Ln">sqlglot.expressions.Ln</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Stddev">sqlglot.expressions.Stddev</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#SafeDivide">sqlglot.expressions.SafeDivide</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#DateToDi">sqlglot.expressions.DateToDi</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#StrPosition">sqlglot.expressions.StrPosition</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#TsOrDiToDi">sqlglot.expressions.TsOrDiToDi</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#DatetimeDiff">sqlglot.expressions.DatetimeDiff</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Ceil">sqlglot.expressions.Ceil</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Extract">sqlglot.expressions.Extract</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Floor">sqlglot.expressions.Floor</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#DateDiff">sqlglot.expressions.DateDiff</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Levenshtein">sqlglot.expressions.Levenshtein</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#TimeDiff">sqlglot.expressions.TimeDiff</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#TimestampDiff">sqlglot.expressions.TimestampDiff</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#TimeSub">sqlglot.expressions.TimeSub</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#TimestampSub">sqlglot.expressions.TimestampSub</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#TimeAdd">sqlglot.expressions.TimeAdd</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#CurrentTimestamp">sqlglot.expressions.CurrentTimestamp</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#TimestampAdd">sqlglot.expressions.TimestampAdd</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#CurrentTime">sqlglot.expressions.CurrentTime</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#UnixToTime">sqlglot.expressions.UnixToTime</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#StrToTime">sqlglot.expressions.StrToTime</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#TimeStrToTime">sqlglot.expressions.TimeStrToTime</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Day">sqlglot.expressions.Day</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Week">sqlglot.expressions.Week</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Year">sqlglot.expressions.Year</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Month">sqlglot.expressions.Month</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#GroupConcat">sqlglot.expressions.GroupConcat</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Concat">sqlglot.expressions.Concat</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Lower">sqlglot.expressions.Lower</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#DateToDateStr">sqlglot.expressions.DateToDateStr</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Substring">sqlglot.expressions.Substring</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#ArrayConcat">sqlglot.expressions.ArrayConcat</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#TimeToTimeStr">sqlglot.expressions.TimeToTimeStr</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#TimeToStr">sqlglot.expressions.TimeToStr</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#TsOrDsToDateStr">sqlglot.expressions.TsOrDsToDateStr</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Upper">sqlglot.expressions.Upper</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Trim">sqlglot.expressions.Trim</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Initcap">sqlglot.expressions.Initcap</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#UnixToTimeStr">sqlglot.expressions.UnixToTimeStr</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#ConcatWs">sqlglot.expressions.ConcatWs</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#UnixToStr">sqlglot.expressions.UnixToStr</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#SafeConcat">sqlglot.expressions.SafeConcat</a>'>: <function _annotate_with_type_lambda.<locals>.<lambda>>, <class '<a href="../expressions.html#Anonymous">sqlglot.expressions.Anonymous</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Cast">sqlglot.expressions.Cast</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Case">sqlglot.expressions.Case</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Coalesce">sqlglot.expressions.Coalesce</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#DataType">sqlglot.expressions.DataType</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#If">sqlglot.expressions.If</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Interval">sqlglot.expressions.Interval</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Least">sqlglot.expressions.Least</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Literal">sqlglot.expressions.Literal</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Map">sqlglot.expressions.Map</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Max">sqlglot.expressions.Max</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Min">sqlglot.expressions.Min</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Null">sqlglot.expressions.Null</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#Sum">sqlglot.expressions.Sum</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#TryCast">sqlglot.expressions.TryCast</a>'>: <function TypeAnnotator.<lambda>>, <class '<a href="../expressions.html#VarMap">sqlglot.expressions.VarMap</a>'>: <function TypeAnnotator.<lambda>>}</span> </div> @@ -930,7 +930,7 @@ <div class="attr variable"> <span class="name">COERCES_TO</span><span class="annotation">: Dict[<a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a>, Set[<a href="../expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a>]]</span> = <input id="TypeAnnotator.COERCES_TO-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> - <label class="view-value-button pdoc-button" for="TypeAnnotator.COERCES_TO-view-value"></label><span class="default_value">{<Type.TEXT: 'TEXT'>: set(), <Type.NVARCHAR: 'NVARCHAR'>: {<Type.TEXT: 'TEXT'>}, <Type.VARCHAR: 'VARCHAR'>: {<Type.TEXT: 'TEXT'>, <Type.NVARCHAR: 'NVARCHAR'>}, <Type.NCHAR: 'NCHAR'>: {<Type.TEXT: 'TEXT'>, <Type.NVARCHAR: 'NVARCHAR'>, <Type.VARCHAR: 'VARCHAR'>}, <Type.CHAR: 'CHAR'>: {<Type.NCHAR: 'NCHAR'>, <Type.TEXT: 'TEXT'>, <Type.NVARCHAR: 'NVARCHAR'>, <Type.VARCHAR: 'VARCHAR'>}, <Type.DOUBLE: 'DOUBLE'>: set(), <Type.FLOAT: 'FLOAT'>: {<Type.DOUBLE: 'DOUBLE'>}, <Type.DECIMAL: 'DECIMAL'>: {<Type.FLOAT: 'FLOAT'>, <Type.DOUBLE: 'DOUBLE'>}, <Type.BIGINT: 'BIGINT'>: {<Type.DECIMAL: 'DECIMAL'>, <Type.FLOAT: 'FLOAT'>, <Type.DOUBLE: 'DOUBLE'>}, <Type.INT: 'INT'>: {<Type.DECIMAL: 'DECIMAL'>, <Type.BIGINT: 'BIGINT'>, <Type.FLOAT: 'FLOAT'>, <Type.DOUBLE: 'DOUBLE'>}, <Type.SMALLINT: 'SMALLINT'>: {<Type.BIGINT: 'BIGINT'>, <Type.DOUBLE: 'DOUBLE'>, <Type.INT: 'INT'>, <Type.FLOAT: 'FLOAT'>, <Type.DECIMAL: 'DECIMAL'>}, <Type.TINYINT: 'TINYINT'>: {<Type.SMALLINT: 'SMALLINT'>, <Type.BIGINT: 'BIGINT'>, <Type.DOUBLE: 'DOUBLE'>, <Type.INT: 'INT'>, <Type.FLOAT: 'FLOAT'>, <Type.DECIMAL: 'DECIMAL'>}, <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: set(), <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: {<Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>}, <Type.TIMESTAMP: 'TIMESTAMP'>: {<Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>}, <Type.DATETIME: 'DATETIME'>: {<Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <Type.TIMESTAMP: 'TIMESTAMP'>}, <Type.DATE: 'DATE'>: {<Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>, <Type.DATETIME: 'DATETIME'>, <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <Type.TIMESTAMP: 'TIMESTAMP'>}}</span> + <label class="view-value-button pdoc-button" for="TypeAnnotator.COERCES_TO-view-value"></label><span class="default_value">{<Type.TEXT: 'TEXT'>: set(), <Type.NVARCHAR: 'NVARCHAR'>: {<Type.TEXT: 'TEXT'>}, <Type.VARCHAR: 'VARCHAR'>: {<Type.TEXT: 'TEXT'>, <Type.NVARCHAR: 'NVARCHAR'>}, <Type.NCHAR: 'NCHAR'>: {<Type.VARCHAR: 'VARCHAR'>, <Type.TEXT: 'TEXT'>, <Type.NVARCHAR: 'NVARCHAR'>}, <Type.CHAR: 'CHAR'>: {<Type.VARCHAR: 'VARCHAR'>, <Type.TEXT: 'TEXT'>, <Type.NVARCHAR: 'NVARCHAR'>, <Type.NCHAR: 'NCHAR'>}, <Type.DOUBLE: 'DOUBLE'>: set(), <Type.FLOAT: 'FLOAT'>: {<Type.DOUBLE: 'DOUBLE'>}, <Type.DECIMAL: 'DECIMAL'>: {<Type.FLOAT: 'FLOAT'>, <Type.DOUBLE: 'DOUBLE'>}, <Type.BIGINT: 'BIGINT'>: {<Type.FLOAT: 'FLOAT'>, <Type.DOUBLE: 'DOUBLE'>, <Type.DECIMAL: 'DECIMAL'>}, <Type.INT: 'INT'>: {<Type.FLOAT: 'FLOAT'>, <Type.DOUBLE: 'DOUBLE'>, <Type.BIGINT: 'BIGINT'>, <Type.DECIMAL: 'DECIMAL'>}, <Type.SMALLINT: 'SMALLINT'>: {<Type.FLOAT: 'FLOAT'>, <Type.BIGINT: 'BIGINT'>, <Type.DECIMAL: 'DECIMAL'>, <Type.DOUBLE: 'DOUBLE'>, <Type.INT: 'INT'>}, <Type.TINYINT: 'TINYINT'>: {<Type.FLOAT: 'FLOAT'>, <Type.SMALLINT: 'SMALLINT'>, <Type.BIGINT: 'BIGINT'>, <Type.DECIMAL: 'DECIMAL'>, <Type.DOUBLE: 'DOUBLE'>, <Type.INT: 'INT'>}, <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>: set(), <Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>: {<Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>}, <Type.TIMESTAMP: 'TIMESTAMP'>: {<Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>}, <Type.DATETIME: 'DATETIME'>: {<Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <Type.TIMESTAMP: 'TIMESTAMP'>, <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>}, <Type.DATE: 'DATE'>: {<Type.TIMESTAMPTZ: 'TIMESTAMPTZ'>, <Type.TIMESTAMP: 'TIMESTAMP'>, <Type.DATETIME: 'DATETIME'>, <Type.TIMESTAMPLTZ: 'TIMESTAMPLTZ'>}}</span> </div> diff --git a/docs/sqlglot/optimizer/merge_subqueries.html b/docs/sqlglot/optimizer/merge_subqueries.html index e0d1071..87a7d22 100644 --- a/docs/sqlglot/optimizer/merge_subqueries.html +++ b/docs/sqlglot/optimizer/merge_subqueries.html @@ -542,7 +542,7 @@ queries if it would result in multiple table selects in a single query:</p> <div class="attr variable"> <span class="name">UNMERGABLE_ARGS</span> = <input id="UNMERGABLE_ARGS-view-value" class="view-value-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> - <label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{'match', 'sample', 'having', 'settings', 'into', 'offset', 'group', 'pivots', 'with', 'laterals', 'kind', 'locks', 'distinct', 'cluster', 'format', 'limit', 'sort', 'windows', 'distribute', 'qualify'}</span> + <label class="view-value-button pdoc-button" for="UNMERGABLE_ARGS-view-value"></label><span class="default_value">{'into', 'sample', 'limit', 'settings', 'windows', 'with', 'qualify', 'distinct', 'format', 'locks', 'offset', 'laterals', 'cluster', 'group', 'pivots', 'having', 'match', 'kind', 'distribute', 'sort'}</span> </div> diff --git a/docs/sqlglot/optimizer/optimizer.html b/docs/sqlglot/optimizer/optimizer.html index 5aa3e06..834ff1c 100644 --- a/docs/sqlglot/optimizer/optimizer.html +++ b/docs/sqlglot/optimizer/optimizer.html @@ -175,7 +175,7 @@ <div class="attr function"> <span class="def">def</span> - <span class="name">optimize</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span>,</span><span class="param"> <span class="n">schema</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">dict</span><span class="p">,</span> <span class="n"><a href="../schema.html#Schema">sqlglot.schema.Schema</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">db</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">catalog</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n"><a href="../dialects/dialect.html#Dialect">sqlglot.dialects.dialect.Dialect</a></span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="../dialects/dialect.html#Dialect">sqlglot.dialects.dialect.Dialect</a></span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">rules</span><span class="p">:</span> <span class="n">Sequence</span><span class="p">[</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span><span class="o"><</span><span class="n">function</span> <span class="n">qualify</span> <span class="n">at</span> <span class="mh">0x7fb88c7040d0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">pushdown_projections</span> <span class="n">at</span> <span class="mh">0x7fb88c767a30</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">normalize</span> <span class="n">at</span> <span class="mh">0x7fb88ca83a30</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">unnest_subqueries</span> <span class="n">at</span> <span class="mh">0x7fb88c704430</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">pushdown_predicates</span> <span class="n">at</span> <span class="mh">0x7fb88c7668c0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">optimize_joins</span> <span class="n">at</span> <span class="mh">0x7fb88c7665f0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">eliminate_subqueries</span> <span class="n">at</span> <span class="mh">0x7fb88c765750</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">merge_subqueries</span> <span class="n">at</span> <span class="mh">0x7fb88c7657e0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">eliminate_joins</span> <span class="n">at</span> <span class="mh">0x7fb88ca83880</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">eliminate_ctes</span> <span class="n">at</span> <span class="mh">0x7fb88ca83760</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">quote_identifiers</span> <span class="n">at</span> <span class="mh">0x7fb88c7679a0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">annotate_types</span> <span class="n">at</span> <span class="mh">0x7fb88ca3bbe0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">canonicalize</span> <span class="n">at</span> <span class="mh">0x7fb88ca831c0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">simplify</span> <span class="n">at</span> <span class="mh">0x7fb88ca83be0</span><span class="o">></span><span class="p">)</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span>:</span></span> + <span class="name">optimize</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">expression</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span>,</span><span class="param"> <span class="n">schema</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">dict</span><span class="p">,</span> <span class="n"><a href="../schema.html#Schema">sqlglot.schema.Schema</a></span><span class="p">,</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">db</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">catalog</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">dialect</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n"><a href="../dialects/dialect.html#Dialect">sqlglot.dialects.dialect.Dialect</a></span><span class="p">,</span> <span class="n">Type</span><span class="p">[</span><span class="n"><a href="../dialects/dialect.html#Dialect">sqlglot.dialects.dialect.Dialect</a></span><span class="p">],</span> <span class="n">NoneType</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>,</span><span class="param"> <span class="n">rules</span><span class="p">:</span> <span class="n">Sequence</span><span class="p">[</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="p">(</span><span class="o"><</span><span class="n">function</span> <span class="n">qualify</span> <span class="n">at</span> <span class="mh">0x7faf3bf409d0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">pushdown_projections</span> <span class="n">at</span> <span class="mh">0x7faf3bf403a0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">normalize</span> <span class="n">at</span> <span class="mh">0x7faf3c02c5e0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">unnest_subqueries</span> <span class="n">at</span> <span class="mh">0x7faf3bf40dc0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">pushdown_predicates</span> <span class="n">at</span> <span class="mh">0x7faf3c02f2e0</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">optimize_joins</span> <span class="n">at</span> <span class="mh">0x7faf3c02f010</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">eliminate_subqueries</span> <span class="n">at</span> <span class="mh">0x7faf3c02e290</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">merge_subqueries</span> <span class="n">at</span> <span class="mh">0x7faf3c02e320</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">eliminate_joins</span> <span class="n">at</span> <span class="mh">0x7faf3c02c430</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">eliminate_ctes</span> <span class="n">at</span> <span class="mh">0x7faf3c02c310</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">quote_identifiers</span> <span class="n">at</span> <span class="mh">0x7faf3bf40310</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">annotate_types</span> <span class="n">at</span> <span class="mh">0x7faf3c040790</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">canonicalize</span> <span class="n">at</span> <span class="mh">0x7faf3c033d00</span><span class="o">></span><span class="p">,</span> <span class="o"><</span><span class="n">function</span> <span class="n">simplify</span> <span class="n">at</span> <span class="mh">0x7faf3c02c790</span><span class="o">></span><span class="p">)</span>,</span><span class="param"> <span class="o">**</span><span class="n">kwargs</span></span><span class="return-annotation">) -> <span class="n"><a href="../expressions.html#Expression">sqlglot.expressions.Expression</a></span>:</span></span> <label class="view-source-button" for="optimize-view-source"><span>View Source</span></label> diff --git a/docs/sqlglot/optimizer/qualify.html b/docs/sqlglot/optimizer/qualify.html index ba8d338..d7ac8e9 100644 --- a/docs/sqlglot/optimizer/qualify.html +++ b/docs/sqlglot/optimizer/qualify.html @@ -118,8 +118,8 @@ </span><span id="L-60"><a href="#L-60"><span class="linenos">60</span></a><span class="sd"> The qualified expression.</span> </span><span id="L-61"><a href="#L-61"><span class="linenos">61</span></a><span class="sd"> """</span> </span><span id="L-62"><a href="#L-62"><span class="linenos">62</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="L-63"><a href="#L-63"><span class="linenos">63</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">normalize_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="L-64"><a href="#L-64"><span class="linenos">64</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">qualify_tables</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">db</span><span class="o">=</span><span class="n">db</span><span class="p">,</span> <span class="n">catalog</span><span class="o">=</span><span class="n">catalog</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span> +</span><span id="L-63"><a href="#L-63"><span class="linenos">63</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">qualify_tables</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">db</span><span class="o">=</span><span class="n">db</span><span class="p">,</span> <span class="n">catalog</span><span class="o">=</span><span class="n">catalog</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span> +</span><span id="L-64"><a href="#L-64"><span class="linenos">64</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">normalize_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> </span><span id="L-65"><a href="#L-65"><span class="linenos">65</span></a> </span><span id="L-66"><a href="#L-66"><span class="linenos">66</span></a> <span class="k">if</span> <span class="n">isolate_tables</span><span class="p">:</span> </span><span id="L-67"><a href="#L-67"><span class="linenos">67</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">isolate_table_selects</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span> @@ -196,8 +196,8 @@ </span><span id="qualify-61"><a href="#qualify-61"><span class="linenos">61</span></a><span class="sd"> The qualified expression.</span> </span><span id="qualify-62"><a href="#qualify-62"><span class="linenos">62</span></a><span class="sd"> """</span> </span><span id="qualify-63"><a href="#qualify-63"><span class="linenos">63</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="n">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="qualify-64"><a href="#qualify-64"><span class="linenos">64</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">normalize_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="qualify-65"><a href="#qualify-65"><span class="linenos">65</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">qualify_tables</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">db</span><span class="o">=</span><span class="n">db</span><span class="p">,</span> <span class="n">catalog</span><span class="o">=</span><span class="n">catalog</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span> +</span><span id="qualify-64"><a href="#qualify-64"><span class="linenos">64</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">qualify_tables</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">db</span><span class="o">=</span><span class="n">db</span><span class="p">,</span> <span class="n">catalog</span><span class="o">=</span><span class="n">catalog</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span> +</span><span id="qualify-65"><a href="#qualify-65"><span class="linenos">65</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">normalize_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> </span><span id="qualify-66"><a href="#qualify-66"><span class="linenos">66</span></a> </span><span id="qualify-67"><a href="#qualify-67"><span class="linenos">67</span></a> <span class="k">if</span> <span class="n">isolate_tables</span><span class="p">:</span> </span><span id="qualify-68"><a href="#qualify-68"><span class="linenos">68</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">isolate_table_selects</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">)</span> diff --git a/docs/sqlglot/optimizer/qualify_columns.html b/docs/sqlglot/optimizer/qualify_columns.html index 4c215dd..5c349b3 100644 --- a/docs/sqlglot/optimizer/qualify_columns.html +++ b/docs/sqlglot/optimizer/qualify_columns.html @@ -144,13 +144,13 @@ </span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">UDTF</span><span class="p">):</span> </span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="n">_expand_stars</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">,</span> <span class="n">using_column_tables</span><span class="p">)</span> </span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="n">_qualify_outputs</span><span class="p">(</span><span class="n">scope</span><span class="p">)</span> -</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">_expand_group_by</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">)</span> -</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="n">_expand_order_by</span><span class="p">(</span><span class="n">scope</span><span class="p">)</span> +</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">_expand_group_by</span><span class="p">(</span><span class="n">scope</span><span class="p">)</span> +</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="n">_expand_order_by</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">)</span> </span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> </span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="k">return</span> <span class="n">expression</span> </span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> </span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> -</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a><span class="k">def</span> <span class="nf">validate_qualify_columns</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a><span class="k">def</span> <span class="nf">validate_qualify_columns</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> </span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a><span class="w"> </span><span class="sd">"""Raise an `OptimizeError` if any columns aren't qualified"""</span> </span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> <span class="n">unqualified_columns</span> <span class="o">=</span> <span class="p">[]</span> </span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> @@ -167,7 +167,7 @@ </span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">return</span> <span class="n">expression</span> </span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> </span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> -</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a><span class="k">def</span> <span class="nf">_pop_table_column_aliases</span><span class="p">(</span><span class="n">derived_tables</span><span class="p">):</span> +</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a><span class="k">def</span> <span class="nf">_pop_table_column_aliases</span><span class="p">(</span><span class="n">derived_tables</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">CTE</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">])</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> </span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a><span class="w"> </span><span class="sd">"""</span> </span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a><span class="sd"> Remove table column aliases.</span> </span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> @@ -179,13 +179,13 @@ </span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="n">table_alias</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="s2">"columns"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> </span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> </span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> -</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a><span class="k">def</span> <span class="nf">_expand_using</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">):</span> +</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a><span class="k">def</span> <span class="nf">_expand_using</span><span class="p">(</span><span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">:</span> <span class="n">Resolver</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">]:</span> </span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="n">joins</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">))</span> </span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="n">names</span> <span class="o">=</span> <span class="p">{</span><span class="n">join</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">joins</span><span class="p">}</span> </span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="n">ordered</span> <span class="o">=</span> <span class="p">[</span><span class="n">key</span> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">names</span><span class="p">]</span> </span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> </span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="c1"># Mapping of automatically joined column names to an ordered set of source names (dict).</span> -</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">column_tables</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="n">column_tables</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> </span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> </span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">joins</span><span class="p">:</span> </span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> <span class="n">using</span> <span class="o">=</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"using"</span><span class="p">)</span> @@ -260,389 +260,439 @@ </span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> </span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">alias_to_expression</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">]</span> <span class="o">=</span> <span class="p">{}</span> </span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> -</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="k">def</span> <span class="nf">replace_columns</span><span class="p">(</span> -</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">node</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">expand</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> <span class="n">resolve_agg</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="p">):</span> -</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">node</span><span class="p">:</span> -</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="k">return</span> -</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> -</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="k">for</span> <span class="n">column</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">walk_in_scope</span><span class="p">(</span><span class="n">node</span><span class="p">):</span> -</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> -</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="k">continue</span> -</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> <span class="k">if</span> <span class="n">resolve_agg</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">column</span><span class="o">.</span><span class="n">table</span> <span class="k">else</span> <span class="kc">None</span> -</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="k">if</span> <span class="n">table</span> <span class="ow">and</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> -</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">table</span><span class="p">)</span> -</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="k">elif</span> <span class="n">expand</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">column</span><span class="o">.</span><span class="n">table</span> <span class="ow">and</span> <span class="n">column</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">alias_to_expression</span><span class="p">:</span> -</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="n">column</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias_to_expression</span><span class="p">[</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> +</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="k">def</span> <span class="nf">replace_columns</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">],</span> <span class="n">resolve_table</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">node</span><span class="p">:</span> +</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="k">return</span> +</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> +</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="k">for</span> <span class="n">column</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">walk_in_scope</span><span class="p">(</span><span class="n">node</span><span class="p">):</span> +</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> +</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="k">continue</span> +</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">table</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> <span class="k">if</span> <span class="n">resolve_table</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">column</span><span class="o">.</span><span class="n">table</span> <span class="k">else</span> <span class="kc">None</span> +</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="n">alias_expr</span> <span class="o">=</span> <span class="n">alias_to_expression</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">double_agg</span> <span class="o">=</span> <span class="p">(</span> +</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="p">(</span><span class="n">alias_expr</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">)</span> <span class="ow">and</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">))</span> +</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="k">if</span> <span class="n">alias_expr</span> +</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="k">else</span> <span class="kc">False</span> +</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="p">)</span> </span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> -</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span> -</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">replace_columns</span><span class="p">(</span><span class="n">projection</span><span class="p">)</span> -</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> -</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">projection</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> -</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="n">alias_to_expression</span><span class="p">[</span><span class="n">projection</span><span class="o">.</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">projection</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> -</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="n">replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">))</span> -</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">))</span> -</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="n">replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"having"</span><span class="p">),</span> <span class="n">resolve_agg</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> -</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"qualify"</span><span class="p">),</span> <span class="n">resolve_agg</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> -</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">),</span> <span class="n">expand</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">resolve_agg</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> -</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">clear_cache</span><span class="p">()</span> -</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> -</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> -</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a><span class="k">def</span> <span class="nf">_expand_group_by</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">):</span> -</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span> -</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">group</span><span class="p">:</span> -</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="k">return</span> -</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> -</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="n">group</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">_expand_positional_references</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">group</span><span class="o">.</span><span class="n">expressions</span><span class="p">))</span> -</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"group"</span><span class="p">,</span> <span class="n">group</span><span class="p">)</span> -</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> -</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> -</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a><span class="k">def</span> <span class="nf">_expand_order_by</span><span class="p">(</span><span class="n">scope</span><span class="p">):</span> -</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span> -</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">order</span><span class="p">:</span> -</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="k">return</span> -</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> -</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="n">ordereds</span> <span class="o">=</span> <span class="n">order</span><span class="o">.</span><span class="n">expressions</span> -</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">for</span> <span class="n">ordered</span><span class="p">,</span> <span class="n">new_expression</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span> -</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="n">ordereds</span><span class="p">,</span> -</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">_expand_positional_references</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="p">(</span><span class="n">o</span><span class="o">.</span><span class="n">this</span> <span class="k">for</span> <span class="n">o</span> <span class="ow">in</span> <span class="n">ordereds</span><span class="p">)),</span> -</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="p">):</span> -</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="n">ordered</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">new_expression</span><span class="p">)</span> -</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> -</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> -</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a><span class="k">def</span> <span class="nf">_expand_positional_references</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">expressions</span><span class="p">):</span> -</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="n">new_nodes</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">expressions</span><span class="p">:</span> -</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">is_int</span><span class="p">:</span> -</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="nb">int</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> -</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="k">except</span> <span class="ne">IndexError</span><span class="p">:</span> -</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown output column: </span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> -</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="n">new_nodes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> -</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">clear_cache</span><span class="p">()</span> -</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="n">new_nodes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> -</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> -</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="k">return</span> <span class="n">new_nodes</span> -</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> -</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> -</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a><span class="k">def</span> <span class="nf">_qualify_columns</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">):</span> -</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a><span class="w"> </span><span class="sd">"""Disambiguate columns, ensuring each column specifies a source"""</span> -</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span> -</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="n">column_table</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">table</span> -</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">column_name</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> -</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="k">if</span> <span class="n">column_table</span> <span class="ow">and</span> <span class="n">column_table</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> -</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="n">source_columns</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_source_columns</span><span class="p">(</span><span class="n">column_table</span><span class="p">)</span> -</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="k">if</span> <span class="n">source_columns</span> <span class="ow">and</span> <span class="n">column_name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">source_columns</span> <span class="ow">and</span> <span class="s2">"*"</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">source_columns</span><span class="p">:</span> -</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown column: </span><span class="si">{</span><span class="n">column_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> -</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">column_table</span><span class="p">:</span> -</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">pivots</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">):</span> -</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="c1"># If the column is under the Pivot expression, we need to qualify it</span> -</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="c1"># using the name of the pivoted source instead of the pivot's alias</span> -</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> -</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="k">continue</span> -</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> -</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">column_table</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">column_name</span><span class="p">)</span> -</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> -</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="c1"># column_table can be a '' because bigquery unnest has no table alias</span> -</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="k">if</span> <span class="n">column_table</span><span class="p">:</span> -</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">column_table</span><span class="p">)</span> -</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="k">elif</span> <span class="n">column_table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span> <span class="ow">and</span> <span class="p">(</span> -</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="ow">not</span> <span class="n">scope</span><span class="o">.</span><span class="n">parent</span> <span class="ow">or</span> <span class="n">column_table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">sources</span> -</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="p">):</span> -</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="c1"># structs are used like tables (e.g. "struct"."field"), so they need to be qualified</span> -</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="c1"># separately and represented as dot(dot(...(<table>.<column>, field1), field2, ...))</span> -</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> -</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="n">root</span><span class="p">,</span> <span class="o">*</span><span class="n">parts</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">parts</span> -</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> -</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="k">if</span> <span class="n">root</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> -</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="c1"># struct is already qualified, but we still need to change the AST representation</span> -</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="n">column_table</span> <span class="o">=</span> <span class="n">root</span> -</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> <span class="n">root</span><span class="p">,</span> <span class="o">*</span><span class="n">parts</span> <span class="o">=</span> <span class="n">parts</span> -</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="n">column_table</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">root</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> -</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="k">if</span> <span class="n">column_table</span><span class="p">:</span> -</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> <span class="n">column</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Dot</span><span class="o">.</span><span class="n">build</span><span class="p">([</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">root</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">column_table</span><span class="p">),</span> <span class="o">*</span><span class="n">parts</span><span class="p">]))</span> +</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="k">if</span> <span class="n">table</span> <span class="ow">and</span> <span class="p">(</span><span class="ow">not</span> <span class="n">alias_expr</span> <span class="ow">or</span> <span class="n">double_agg</span><span class="p">):</span> +</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">table</span><span class="p">)</span> +</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="n">column</span><span class="o">.</span><span class="n">table</span> <span class="ow">and</span> <span class="n">alias_expr</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">double_agg</span><span class="p">:</span> +</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">column</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">alias_expr</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> +</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> +</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="k">for</span> <span class="n">projection</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span> +</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="n">replace_columns</span><span class="p">(</span><span class="n">projection</span><span class="p">)</span> +</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> +</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">projection</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> +</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">alias_to_expression</span><span class="p">[</span><span class="n">projection</span><span class="o">.</span><span class="n">alias</span><span class="p">]</span> <span class="o">=</span> <span class="n">projection</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> +</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"where"</span><span class="p">))</span> +</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">))</span> +</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="n">replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"having"</span><span class="p">),</span> <span class="n">resolve_table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> +</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="n">replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"qualify"</span><span class="p">),</span> <span class="n">resolve_table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> +</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">clear_cache</span><span class="p">()</span> +</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> +</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> +</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a><span class="k">def</span> <span class="nf">_expand_group_by</span><span class="p">(</span><span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">):</span> +</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span> +</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="n">group</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">)</span> +</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">group</span><span class="p">:</span> +</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="k">return</span> +</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> +</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="n">group</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">_expand_positional_references</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">group</span><span class="o">.</span><span class="n">expressions</span><span class="p">))</span> +</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"group"</span><span class="p">,</span> <span class="n">group</span><span class="p">)</span> +</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> +</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="c1"># group by expressions cannot be simplified, for example</span> +</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="c1"># select x + 1 + 1 FROM y GROUP BY x + 1 + 1</span> +</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="c1"># the projection must exactly match the group by key</span> +</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="n">groups</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">group</span><span class="o">.</span><span class="n">expressions</span><span class="p">)</span> +</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="n">group</span><span class="o">.</span><span class="n">meta</span><span class="p">[</span><span class="s2">"final"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> +</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span> +</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">e</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span> +</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">if</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">groups</span><span class="p">:</span> +</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="n">e</span><span class="o">.</span><span class="n">meta</span><span class="p">[</span><span class="s2">"final"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="k">break</span> +</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> +</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="n">having</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"having"</span><span class="p">)</span> +</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="k">if</span> <span class="n">having</span><span class="p">:</span> +</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="k">for</span> <span class="n">node</span><span class="p">,</span> <span class="o">*</span><span class="n">_</span> <span class="ow">in</span> <span class="n">having</span><span class="o">.</span><span class="n">walk</span><span class="p">():</span> +</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="k">if</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">groups</span><span class="p">:</span> +</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="n">having</span><span class="o">.</span><span class="n">meta</span><span class="p">[</span><span class="s2">"final"</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="k">break</span> +</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> +</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> +</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a><span class="k">def</span> <span class="nf">_expand_order_by</span><span class="p">(</span><span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">:</span> <span class="n">Resolver</span><span class="p">):</span> +</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="n">order</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"order"</span><span class="p">)</span> +</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">order</span><span class="p">:</span> +</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="k">return</span> +</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> +</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="n">ordereds</span> <span class="o">=</span> <span class="n">order</span><span class="o">.</span><span class="n">expressions</span> +</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="k">for</span> <span class="n">ordered</span><span class="p">,</span> <span class="n">new_expression</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span> +</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="n">ordereds</span><span class="p">,</span> +</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="n">_expand_positional_references</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="p">(</span><span class="n">o</span><span class="o">.</span><span class="n">this</span> <span class="k">for</span> <span class="n">o</span> <span class="ow">in</span> <span class="n">ordereds</span><span class="p">)),</span> +</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="p">):</span> +</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">for</span> <span class="n">agg</span> <span class="ow">in</span> <span class="n">ordered</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">AggFunc</span><span class="p">):</span> +</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">agg</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> +</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">col</span><span class="o">.</span><span class="n">table</span><span class="p">:</span> +</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">col</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">col</span><span class="o">.</span><span class="n">name</span><span class="p">))</span> +</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> +</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="n">ordered</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">new_expression</span><span class="p">)</span> +</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> +</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"group"</span><span class="p">):</span> +</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">selects</span> <span class="o">=</span> <span class="p">{</span><span class="n">s</span><span class="o">.</span><span class="n">this</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">alias_or_name</span><span class="p">)</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selects</span><span class="p">}</span> +</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> +</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="k">for</span> <span class="n">ordered</span> <span class="ow">in</span> <span class="n">ordereds</span><span class="p">:</span> +</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">ordered</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"this"</span><span class="p">,</span> <span class="n">selects</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">ordered</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">ordered</span><span class="o">.</span><span class="n">this</span><span class="p">))</span> +</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> +</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> +</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a><span class="k">def</span> <span class="nf">_expand_positional_references</span><span class="p">(</span><span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">,</span> <span class="n">expressions</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Iterable</span><span class="p">[</span><span class="n">E</span><span class="p">])</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">E</span><span class="p">]:</span> +</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="n">new_nodes</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">expressions</span><span class="p">:</span> +</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">is_int</span><span class="p">:</span> +</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">scope</span><span class="o">.</span><span class="n">selects</span><span class="p">[</span><span class="nb">int</span><span class="p">(</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">]</span> +</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="k">except</span> <span class="ne">IndexError</span><span class="p">:</span> +</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown output column: </span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">):</span> +</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="n">select</span> <span class="o">=</span> <span class="n">select</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">new_nodes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">select</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span> +</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">clear_cache</span><span class="p">()</span> +</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="n">new_nodes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> +</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="k">return</span> <span class="n">new_nodes</span> +</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> +</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> +</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a><span class="k">def</span> <span class="nf">_qualify_columns</span><span class="p">(</span><span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">:</span> <span class="n">Resolver</span><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a><span class="w"> </span><span class="sd">"""Disambiguate columns, ensuring each column specifies a source"""</span> +</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">columns</span><span class="p">:</span> +</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="n">column_table</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">table</span> +</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> <span class="n">column_name</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">name</span> </span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> -</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="k">for</span> <span class="n">pivot</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">pivots</span><span class="p">:</span> -</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">pivot</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> -</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">column</span><span class="o">.</span><span class="n">table</span> <span class="ow">and</span> <span class="n">column</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">resolver</span><span class="o">.</span><span class="n">all_columns</span><span class="p">:</span> -</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="n">column_table</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="k">if</span> <span class="n">column_table</span><span class="p">:</span> -</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">column_table</span><span class="p">)</span> -</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> -</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> -</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a><span class="k">def</span> <span class="nf">_expand_stars</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">,</span> <span class="n">using_column_tables</span><span class="p">):</span> -</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a><span class="w"> </span><span class="sd">"""Expand stars to lists of column selections"""</span> -</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> -</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="n">new_selections</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="n">except_columns</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="n">replace_columns</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="n">coalesced_columns</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> -</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> -</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="c1"># TODO: handle optimization of multiple PIVOTs (and possibly UNPIVOTs) in the future</span> -</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="n">pivot_columns</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="n">pivot_output_columns</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="n">pivot</span> <span class="o">=</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">pivots</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> -</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> -</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="n">has_pivoted_source</span> <span class="o">=</span> <span class="n">pivot</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">pivot</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"unpivot"</span><span class="p">)</span> -</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="k">if</span> <span class="n">has_pivoted_source</span><span class="p">:</span> -</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="n">pivot_columns</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">col</span><span class="o">.</span><span class="n">output_name</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">pivot</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">))</span> +</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="k">if</span> <span class="n">column_table</span> <span class="ow">and</span> <span class="n">column_table</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> +</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="n">source_columns</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_source_columns</span><span class="p">(</span><span class="n">column_table</span><span class="p">)</span> +</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="k">if</span> <span class="n">source_columns</span> <span class="ow">and</span> <span class="n">column_name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">source_columns</span> <span class="ow">and</span> <span class="s2">"*"</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">source_columns</span><span class="p">:</span> +</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown column: </span><span class="si">{</span><span class="n">column_name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> +</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">column_table</span><span class="p">:</span> +</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="k">if</span> <span class="n">scope</span><span class="o">.</span><span class="n">pivots</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">column</span><span class="o">.</span><span class="n">find_ancestor</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">):</span> +</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="c1"># If the column is under the Pivot expression, we need to qualify it</span> +</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="c1"># using the name of the pivoted source instead of the pivot's alias</span> +</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">pivots</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">alias</span><span class="p">))</span> +</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="k">continue</span> +</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> +</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="n">column_table</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">column_name</span><span class="p">)</span> +</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> +</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="c1"># column_table can be a '' because bigquery unnest has no table alias</span> +</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="k">if</span> <span class="n">column_table</span><span class="p">:</span> +</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">column_table</span><span class="p">)</span> +</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="k">elif</span> <span class="n">column_table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span> <span class="ow">and</span> <span class="p">(</span> +</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="ow">not</span> <span class="n">scope</span><span class="o">.</span><span class="n">parent</span> <span class="ow">or</span> <span class="n">column_table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">sources</span> +</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="p">):</span> +</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="c1"># structs are used like tables (e.g. "struct"."field"), so they need to be qualified</span> +</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="c1"># separately and represented as dot(dot(...(<table>.<column>, field1), field2, ...))</span> +</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> +</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="n">root</span><span class="p">,</span> <span class="o">*</span><span class="n">parts</span> <span class="o">=</span> <span class="n">column</span><span class="o">.</span><span class="n">parts</span> </span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a> -</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> <span class="n">pivot_output_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">output_name</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">pivot</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"columns"</span><span class="p">,</span> <span class="p">[])]</span> -</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">pivot_output_columns</span><span class="p">:</span> -</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="n">pivot_output_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">pivot</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> -</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> -</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span> -</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Star</span><span class="p">):</span> -</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">)</span> -</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="n">_add_except_columns</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">except_columns</span><span class="p">)</span> -</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="n">_add_replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">replace_columns</span><span class="p">)</span> -</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="k">elif</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span> -</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="p">[</span><span class="n">expression</span><span class="o">.</span><span class="n">table</span><span class="p">]</span> -</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="n">_add_except_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">except_columns</span><span class="p">)</span> -</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="n">_add_replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">replace_columns</span><span class="p">)</span> -</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="k">continue</span> +</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> <span class="k">if</span> <span class="n">root</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> +</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="c1"># struct is already qualified, but we still need to change the AST representation</span> +</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="n">column_table</span> <span class="o">=</span> <span class="n">root</span> +</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> <span class="n">root</span><span class="p">,</span> <span class="o">*</span><span class="n">parts</span> <span class="o">=</span> <span class="n">parts</span> +</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="n">column_table</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">root</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> +</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="k">if</span> <span class="n">column_table</span><span class="p">:</span> +</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="n">column</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Dot</span><span class="o">.</span><span class="n">build</span><span class="p">([</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">root</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">column_table</span><span class="p">),</span> <span class="o">*</span><span class="n">parts</span><span class="p">]))</span> +</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> +</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="k">for</span> <span class="n">pivot</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">pivots</span><span class="p">:</span> +</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">pivot</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">):</span> +</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">column</span><span class="o">.</span><span class="n">table</span> <span class="ow">and</span> <span class="n">column</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">resolver</span><span class="o">.</span><span class="n">all_columns</span><span class="p">:</span> +</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="n">column_table</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_table</span><span class="p">(</span><span class="n">column</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="k">if</span> <span class="n">column_table</span><span class="p">:</span> +</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="n">column</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"table"</span><span class="p">,</span> <span class="n">column_table</span><span class="p">)</span> </span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> -</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">:</span> -</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="k">if</span> <span class="n">table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> -</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown table: </span><span class="si">{</span><span class="n">table</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> -</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_source_columns</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">only_visible</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> +</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> +</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a><span class="k">def</span> <span class="nf">_expand_stars</span><span class="p">(</span> +</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> <span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">:</span> <span class="n">Resolver</span><span class="p">,</span> <span class="n">using_column_tables</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">]</span> +</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a><span class="w"> </span><span class="sd">"""Expand stars to lists of column selections"""</span> </span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> -</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="k">if</span> <span class="n">columns</span> <span class="ow">and</span> <span class="s2">"*"</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">:</span> -</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="k">if</span> <span class="n">has_pivoted_source</span><span class="p">:</span> -</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="n">implicit_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">columns</span> <span class="k">if</span> <span class="n">col</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">pivot_columns</span><span class="p">]</span> -</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span> -</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">pivot</span><span class="o">.</span><span class="n">alias</span><span class="p">),</span> <span class="n">name</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">implicit_columns</span> <span class="o">+</span> <span class="n">pivot_output_columns</span> -</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> <span class="p">)</span> -</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="k">continue</span> -</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> -</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> <span class="n">table_id</span> <span class="o">=</span> <span class="nb">id</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> -</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">:</span> -</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">using_column_tables</span> <span class="ow">and</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">using_column_tables</span><span class="p">[</span><span class="n">name</span><span class="p">]:</span> -</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">coalesced_columns</span><span class="p">:</span> -</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="k">continue</span> -</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> -</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="n">coalesced_columns</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="n">using_column_tables</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> -</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="n">coalesce</span> <span class="o">=</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">table</span><span class="p">)</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">]</span> -</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> -</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> -</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="n">alias</span><span class="p">(</span> -</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">coalesce</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expressions</span><span class="o">=</span><span class="n">coalesce</span><span class="p">[</span><span class="mi">1</span><span class="p">:]),</span> -</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="n">alias</span><span class="o">=</span><span class="n">name</span><span class="p">,</span> -</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> -</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="p">)</span> -</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="p">)</span> -</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="k">elif</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">except_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table_id</span><span class="p">,</span> <span class="nb">set</span><span class="p">()):</span> -</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">replace_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table_id</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span> -</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">table</span><span class="p">)</span> -</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> -</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="n">alias_</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> <span class="k">if</span> <span class="n">alias_</span> <span class="o">!=</span> <span class="n">name</span> <span class="k">else</span> <span class="n">column</span> -</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> <span class="p">)</span> -</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="k">return</span> +</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="n">new_selections</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="n">except_columns</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="n">replace_columns</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> <span class="n">coalesced_columns</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span> +</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> +</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> <span class="c1"># TODO: handle optimization of multiple PIVOTs (and possibly UNPIVOTs) in the future</span> +</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> <span class="n">pivot_columns</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="n">pivot_output_columns</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="n">pivot</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Pivot</span><span class="p">],</span> <span class="n">seq_get</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">pivots</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span> +</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> +</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="n">has_pivoted_source</span> <span class="o">=</span> <span class="n">pivot</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">pivot</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"unpivot"</span><span class="p">)</span> +</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="k">if</span> <span class="n">pivot</span> <span class="ow">and</span> <span class="n">has_pivoted_source</span><span class="p">:</span> +</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="n">pivot_columns</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">col</span><span class="o">.</span><span class="n">output_name</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">pivot</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">))</span> +</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> +</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> <span class="n">pivot_output_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">output_name</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">pivot</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"columns"</span><span class="p">,</span> <span class="p">[])]</span> +</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">pivot_output_columns</span><span class="p">:</span> +</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="n">pivot_output_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">alias_or_name</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">pivot</span><span class="o">.</span><span class="n">expressions</span><span class="p">]</span> +</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> +</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="k">for</span> <span class="n">expression</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">selects</span><span class="p">:</span> +</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Star</span><span class="p">):</span> +</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">)</span> +</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="n">_add_except_columns</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">except_columns</span><span class="p">)</span> +</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="n">_add_replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">replace_columns</span><span class="p">)</span> +</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="k">elif</span> <span class="n">expression</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span> +</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="p">[</span><span class="n">expression</span><span class="o">.</span><span class="n">table</span><span class="p">]</span> +</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="n">_add_except_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">except_columns</span><span class="p">)</span> +</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="n">_add_replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">replace_columns</span><span class="p">)</span> +</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <span class="k">continue</span> +</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> +</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">:</span> +</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="k">if</span> <span class="n">table</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> +</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown table: </span><span class="si">{</span><span class="n">table</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> </span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> -</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">new_selections</span><span class="p">)</span> +</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">get_source_columns</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">only_visible</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> </span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> -</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> -</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a><span class="k">def</span> <span class="nf">_add_except_columns</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">except_columns</span><span class="p">):</span> -</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> <span class="n">except_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"except"</span><span class="p">)</span> -</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> -</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">except_</span><span class="p">:</span> -</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="k">return</span> -</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> -</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">e</span><span class="o">.</span><span class="n">name</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">except_</span><span class="p">}</span> +</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="c1"># The _PARTITIONTIME and _PARTITIONDATE pseudo-columns are not returned by a SELECT * statement</span> +</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="c1"># https://cloud.google.com/bigquery/docs/querying-partitioned-tables#query_an_ingestion-time_partitioned_table</span> +</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> <span class="k">if</span> <span class="n">resolver</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">dialect</span> <span class="o">==</span> <span class="s2">"bigquery"</span><span class="p">:</span> +</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="n">name</span> +</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">columns</span> +</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="k">if</span> <span class="n">name</span><span class="o">.</span><span class="n">upper</span><span class="p">()</span> <span class="ow">not</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"_PARTITIONTIME"</span><span class="p">,</span> <span class="s2">"_PARTITIONDATE"</span><span class="p">)</span> +</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="p">]</span> </span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> -</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">:</span> -</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="n">except_columns</span><span class="p">[</span><span class="nb">id</span><span class="p">(</span><span class="n">table</span><span class="p">)]</span> <span class="o">=</span> <span class="n">columns</span> -</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> -</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> -</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a><span class="k">def</span> <span class="nf">_add_replace_columns</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">replace_columns</span><span class="p">):</span> -</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> <span class="n">replace</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"replace"</span><span class="p">)</span> -</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> -</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">replace</span><span class="p">:</span> -</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="k">return</span> -</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> -</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">e</span><span class="o">.</span><span class="n">alias</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">replace</span><span class="p">}</span> -</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> -</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">:</span> -</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="n">replace_columns</span><span class="p">[</span><span class="nb">id</span><span class="p">(</span><span class="n">table</span><span class="p">)]</span> <span class="o">=</span> <span class="n">columns</span> +</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> <span class="k">if</span> <span class="n">columns</span> <span class="ow">and</span> <span class="s2">"*"</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">:</span> +</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="k">if</span> <span class="n">pivot</span> <span class="ow">and</span> <span class="n">has_pivoted_source</span> <span class="ow">and</span> <span class="n">pivot_columns</span> <span class="ow">and</span> <span class="n">pivot_output_columns</span><span class="p">:</span> +</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> <span class="n">implicit_columns</span> <span class="o">=</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">columns</span> <span class="k">if</span> <span class="n">col</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">pivot_columns</span><span class="p">]</span> +</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span> +</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">alias_</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">pivot</span><span class="o">.</span><span class="n">alias</span><span class="p">),</span> <span class="n">name</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">implicit_columns</span> <span class="o">+</span> <span class="n">pivot_output_columns</span> +</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="p">)</span> +</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="k">continue</span> +</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> +</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> <span class="n">table_id</span> <span class="o">=</span> <span class="nb">id</span><span class="p">(</span><span class="n">table</span><span class="p">)</span> +</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">:</span> +</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">using_column_tables</span> <span class="ow">and</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">using_column_tables</span><span class="p">[</span><span class="n">name</span><span class="p">]:</span> +</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">coalesced_columns</span><span class="p">:</span> +</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="k">continue</span> </span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> -</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> -</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a><span class="k">def</span> <span class="nf">_qualify_outputs</span><span class="p">(</span><span class="n">scope</span><span class="p">):</span> -</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a><span class="w"> </span><span class="sd">"""Ensure all output columns are aliased"""</span> -</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="n">new_selections</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> -</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">selection</span><span class="p">,</span> <span class="n">aliased_column</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span> -</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="n">itertools</span><span class="o">.</span><span class="n">zip_longest</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">selects</span><span class="p">,</span> <span class="n">scope</span><span class="o">.</span><span class="n">outer_column_list</span><span class="p">)</span> -</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="p">):</span> -</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">selection</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span> -</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">selection</span><span class="o">.</span><span class="n">output_name</span><span class="p">:</span> -</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="n">selection</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="sa">f</span><span class="s2">"_col_</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">)))</span> -</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">selection</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">selection</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span> -</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="n">selection</span> <span class="o">=</span> <span class="n">alias</span><span class="p">(</span> -</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> <span class="n">selection</span><span class="p">,</span> -</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> <span class="n">alias</span><span class="o">=</span><span class="n">selection</span><span class="o">.</span><span class="n">output_name</span> <span class="ow">or</span> <span class="sa">f</span><span class="s2">"_col_</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> -</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="p">)</span> -</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">if</span> <span class="n">aliased_column</span><span class="p">:</span> -</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="n">selection</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">aliased_column</span><span class="p">))</span> -</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> -</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">selection</span><span class="p">)</span> -</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> -</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">new_selections</span><span class="p">)</span> +</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="n">coalesced_columns</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="n">using_column_tables</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> +</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="n">coalesce</span> <span class="o">=</span> <span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">table</span><span class="p">)</span> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">]</span> +</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> +</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> +</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="n">alias</span><span class="p">(</span> +</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Coalesce</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">coalesce</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">expressions</span><span class="o">=</span><span class="n">coalesce</span><span class="p">[</span><span class="mi">1</span><span class="p">:]),</span> +</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="n">alias</span><span class="o">=</span><span class="n">name</span><span class="p">,</span> +</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="p">)</span> +</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="p">)</span> +</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="k">elif</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">except_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table_id</span><span class="p">,</span> <span class="nb">set</span><span class="p">()):</span> +</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="n">alias_</span> <span class="o">=</span> <span class="n">replace_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table_id</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">name</span><span class="p">)</span> +</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> <span class="n">column</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">column</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">table</span><span class="o">=</span><span class="n">table</span><span class="p">)</span> +</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> +</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="n">alias</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="n">alias_</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> <span class="k">if</span> <span class="n">alias_</span> <span class="o">!=</span> <span class="n">name</span> <span class="k">else</span> <span class="n">column</span> +</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="p">)</span> +</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="k">return</span> +</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> +</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">new_selections</span><span class="p">)</span> +</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> </span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> -</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> -</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a><span class="k">def</span> <span class="nf">quote_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a><span class="w"> </span><span class="sd">"""Makes sure all identifiers that need to be quoted are quoted."""</span> -</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> -</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="o">.</span><span class="n">quote_identifier</span><span class="p">,</span> <span class="n">identify</span><span class="o">=</span><span class="n">identify</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span> -</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a> <span class="p">)</span> -</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a> +</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a><span class="k">def</span> <span class="nf">_add_except_columns</span><span class="p">(</span> +</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">except_columns</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Set</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> +</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> <span class="n">except_</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"except"</span><span class="p">)</span> +</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> +</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">except_</span><span class="p">:</span> +</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a> <span class="k">return</span> </span><span id="L-424"><a href="#L-424"><span class="linenos">424</span></a> -</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a><span class="k">class</span> <span class="nc">Resolver</span><span class="p">:</span> -</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a><span class="sd"> Helper for resolving columns.</span> -</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a> -</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a><span class="sd"> This is a class so we can lazily load some things and easily share them across functions.</span> -</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a><span class="sd"> """</span> -</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a> -</span><span id="L-432"><a href="#L-432"><span class="linenos">432</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">infer_schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">):</span> -</span><span id="L-433"><a href="#L-433"><span class="linenos">433</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span> <span class="o">=</span> <span class="n">scope</span> -</span><span id="L-434"><a href="#L-434"><span class="linenos">434</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> -</span><span id="L-435"><a href="#L-435"><span class="linenos">435</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-436"><a href="#L-436"><span class="linenos">436</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-437"><a href="#L-437"><span class="linenos">437</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-438"><a href="#L-438"><span class="linenos">438</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span> <span class="o">=</span> <span class="n">infer_schema</span> -</span><span id="L-439"><a href="#L-439"><span class="linenos">439</span></a> -</span><span id="L-440"><a href="#L-440"><span class="linenos">440</span></a> <span class="k">def</span> <span class="nf">get_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">column_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">]:</span> -</span><span id="L-441"><a href="#L-441"><span class="linenos">441</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-442"><a href="#L-442"><span class="linenos">442</span></a><span class="sd"> Get the table for a column name.</span> +</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">e</span><span class="o">.</span><span class="n">name</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">except_</span><span class="p">}</span> +</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a> +</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">:</span> +</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a> <span class="n">except_columns</span><span class="p">[</span><span class="nb">id</span><span class="p">(</span><span class="n">table</span><span class="p">)]</span> <span class="o">=</span> <span class="n">columns</span> +</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a> +</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a> +</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a><span class="k">def</span> <span class="nf">_add_replace_columns</span><span class="p">(</span> +</span><span id="L-432"><a href="#L-432"><span class="linenos">432</span></a> <span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">tables</span><span class="p">,</span> <span class="n">replace_columns</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">int</span><span class="p">,</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> +</span><span id="L-433"><a href="#L-433"><span class="linenos">433</span></a><span class="p">)</span> <span class="o">-></span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-434"><a href="#L-434"><span class="linenos">434</span></a> <span class="n">replace</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"replace"</span><span class="p">)</span> +</span><span id="L-435"><a href="#L-435"><span class="linenos">435</span></a> +</span><span id="L-436"><a href="#L-436"><span class="linenos">436</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">replace</span><span class="p">:</span> +</span><span id="L-437"><a href="#L-437"><span class="linenos">437</span></a> <span class="k">return</span> +</span><span id="L-438"><a href="#L-438"><span class="linenos">438</span></a> +</span><span id="L-439"><a href="#L-439"><span class="linenos">439</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">e</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">e</span><span class="o">.</span><span class="n">alias</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">replace</span><span class="p">}</span> +</span><span id="L-440"><a href="#L-440"><span class="linenos">440</span></a> +</span><span id="L-441"><a href="#L-441"><span class="linenos">441</span></a> <span class="k">for</span> <span class="n">table</span> <span class="ow">in</span> <span class="n">tables</span><span class="p">:</span> +</span><span id="L-442"><a href="#L-442"><span class="linenos">442</span></a> <span class="n">replace_columns</span><span class="p">[</span><span class="nb">id</span><span class="p">(</span><span class="n">table</span><span class="p">)]</span> <span class="o">=</span> <span class="n">columns</span> </span><span id="L-443"><a href="#L-443"><span class="linenos">443</span></a> -</span><span id="L-444"><a href="#L-444"><span class="linenos">444</span></a><span class="sd"> Args:</span> -</span><span id="L-445"><a href="#L-445"><span class="linenos">445</span></a><span class="sd"> column_name: The column name to find the table for.</span> -</span><span id="L-446"><a href="#L-446"><span class="linenos">446</span></a><span class="sd"> Returns:</span> -</span><span id="L-447"><a href="#L-447"><span class="linenos">447</span></a><span class="sd"> The table name if it can be found/inferred.</span> -</span><span id="L-448"><a href="#L-448"><span class="linenos">448</span></a><span class="sd"> """</span> -</span><span id="L-449"><a href="#L-449"><span class="linenos">449</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-450"><a href="#L-450"><span class="linenos">450</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_unambiguous_columns</span><span class="p">(</span> -</span><span id="L-451"><a href="#L-451"><span class="linenos">451</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span> -</span><span id="L-452"><a href="#L-452"><span class="linenos">452</span></a> <span class="p">)</span> -</span><span id="L-453"><a href="#L-453"><span class="linenos">453</span></a> -</span><span id="L-454"><a href="#L-454"><span class="linenos">454</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">column_name</span><span class="p">)</span> -</span><span id="L-455"><a href="#L-455"><span class="linenos">455</span></a> -</span><span id="L-456"><a href="#L-456"><span class="linenos">456</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table_name</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span><span class="p">:</span> -</span><span id="L-457"><a href="#L-457"><span class="linenos">457</span></a> <span class="n">sources_without_schema</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> -</span><span id="L-458"><a href="#L-458"><span class="linenos">458</span></a> <span class="n">source</span> -</span><span id="L-459"><a href="#L-459"><span class="linenos">459</span></a> <span class="k">for</span> <span class="n">source</span><span class="p">,</span> <span class="n">columns</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="L-460"><a href="#L-460"><span class="linenos">460</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">columns</span> <span class="ow">or</span> <span class="s2">"*"</span> <span class="ow">in</span> <span class="n">columns</span> -</span><span id="L-461"><a href="#L-461"><span class="linenos">461</span></a> <span class="p">)</span> -</span><span id="L-462"><a href="#L-462"><span class="linenos">462</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sources_without_schema</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="L-463"><a href="#L-463"><span class="linenos">463</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">sources_without_schema</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-444"><a href="#L-444"><span class="linenos">444</span></a> +</span><span id="L-445"><a href="#L-445"><span class="linenos">445</span></a><span class="k">def</span> <span class="nf">_qualify_outputs</span><span class="p">(</span><span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">):</span> +</span><span id="L-446"><a href="#L-446"><span class="linenos">446</span></a><span class="w"> </span><span class="sd">"""Ensure all output columns are aliased"""</span> +</span><span id="L-447"><a href="#L-447"><span class="linenos">447</span></a> <span class="n">new_selections</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-448"><a href="#L-448"><span class="linenos">448</span></a> +</span><span id="L-449"><a href="#L-449"><span class="linenos">449</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">selection</span><span class="p">,</span> <span class="n">aliased_column</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span> +</span><span id="L-450"><a href="#L-450"><span class="linenos">450</span></a> <span class="n">itertools</span><span class="o">.</span><span class="n">zip_longest</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">selects</span><span class="p">,</span> <span class="n">scope</span><span class="o">.</span><span class="n">outer_column_list</span><span class="p">)</span> +</span><span id="L-451"><a href="#L-451"><span class="linenos">451</span></a> <span class="p">):</span> +</span><span id="L-452"><a href="#L-452"><span class="linenos">452</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">selection</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subquery</span><span class="p">):</span> +</span><span id="L-453"><a href="#L-453"><span class="linenos">453</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">selection</span><span class="o">.</span><span class="n">output_name</span><span class="p">:</span> +</span><span id="L-454"><a href="#L-454"><span class="linenos">454</span></a> <span class="n">selection</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">TableAlias</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="sa">f</span><span class="s2">"_col_</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">)))</span> +</span><span id="L-455"><a href="#L-455"><span class="linenos">455</span></a> <span class="k">elif</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">selection</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Alias</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">selection</span><span class="o">.</span><span class="n">is_star</span><span class="p">:</span> +</span><span id="L-456"><a href="#L-456"><span class="linenos">456</span></a> <span class="n">selection</span> <span class="o">=</span> <span class="n">alias</span><span class="p">(</span> +</span><span id="L-457"><a href="#L-457"><span class="linenos">457</span></a> <span class="n">selection</span><span class="p">,</span> +</span><span id="L-458"><a href="#L-458"><span class="linenos">458</span></a> <span class="n">alias</span><span class="o">=</span><span class="n">selection</span><span class="o">.</span><span class="n">output_name</span> <span class="ow">or</span> <span class="sa">f</span><span class="s2">"_col_</span><span class="si">{</span><span class="n">i</span><span class="si">}</span><span class="s2">"</span><span class="p">,</span> +</span><span id="L-459"><a href="#L-459"><span class="linenos">459</span></a> <span class="p">)</span> +</span><span id="L-460"><a href="#L-460"><span class="linenos">460</span></a> <span class="k">if</span> <span class="n">aliased_column</span><span class="p">:</span> +</span><span id="L-461"><a href="#L-461"><span class="linenos">461</span></a> <span class="n">selection</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">aliased_column</span><span class="p">))</span> +</span><span id="L-462"><a href="#L-462"><span class="linenos">462</span></a> +</span><span id="L-463"><a href="#L-463"><span class="linenos">463</span></a> <span class="n">new_selections</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">selection</span><span class="p">)</span> </span><span id="L-464"><a href="#L-464"><span class="linenos">464</span></a> -</span><span id="L-465"><a href="#L-465"><span class="linenos">465</span></a> <span class="k">if</span> <span class="n">table_name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">:</span> -</span><span id="L-466"><a href="#L-466"><span class="linenos">466</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> +</span><span id="L-465"><a href="#L-465"><span class="linenos">465</span></a> <span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"expressions"</span><span class="p">,</span> <span class="n">new_selections</span><span class="p">)</span> +</span><span id="L-466"><a href="#L-466"><span class="linenos">466</span></a> </span><span id="L-467"><a href="#L-467"><span class="linenos">467</span></a> -</span><span id="L-468"><a href="#L-468"><span class="linenos">468</span></a> <span class="n">node</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> -</span><span id="L-469"><a href="#L-469"><span class="linenos">469</span></a> -</span><span id="L-470"><a href="#L-470"><span class="linenos">470</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">):</span> -</span><span id="L-471"><a href="#L-471"><span class="linenos">471</span></a> <span class="k">while</span> <span class="n">node</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">alias</span> <span class="o">!=</span> <span class="n">table_name</span><span class="p">:</span> -</span><span id="L-472"><a href="#L-472"><span class="linenos">472</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">parent</span> +</span><span id="L-468"><a href="#L-468"><span class="linenos">468</span></a><span class="k">def</span> <span class="nf">quote_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="L-469"><a href="#L-469"><span class="linenos">469</span></a><span class="w"> </span><span class="sd">"""Makes sure all identifiers that need to be quoted are quoted."""</span> +</span><span id="L-470"><a href="#L-470"><span class="linenos">470</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> +</span><span id="L-471"><a href="#L-471"><span class="linenos">471</span></a> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="o">.</span><span class="n">quote_identifier</span><span class="p">,</span> <span class="n">identify</span><span class="o">=</span><span class="n">identify</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span> +</span><span id="L-472"><a href="#L-472"><span class="linenos">472</span></a> <span class="p">)</span> </span><span id="L-473"><a href="#L-473"><span class="linenos">473</span></a> -</span><span id="L-474"><a href="#L-474"><span class="linenos">474</span></a> <span class="n">node_alias</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span> -</span><span id="L-475"><a href="#L-475"><span class="linenos">475</span></a> <span class="k">if</span> <span class="n">node_alias</span><span class="p">:</span> -</span><span id="L-476"><a href="#L-476"><span class="linenos">476</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">node_alias</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> -</span><span id="L-477"><a href="#L-477"><span class="linenos">477</span></a> -</span><span id="L-478"><a href="#L-478"><span class="linenos">478</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> -</span><span id="L-479"><a href="#L-479"><span class="linenos">479</span></a> -</span><span id="L-480"><a href="#L-480"><span class="linenos">480</span></a> <span class="nd">@property</span> -</span><span id="L-481"><a href="#L-481"><span class="linenos">481</span></a> <span class="k">def</span> <span class="nf">all_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> -</span><span id="L-482"><a href="#L-482"><span class="linenos">482</span></a><span class="w"> </span><span class="sd">"""All available columns of all sources in this scope"""</span> -</span><span id="L-483"><a href="#L-483"><span class="linenos">483</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-484"><a href="#L-484"><span class="linenos">484</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-485"><a href="#L-485"><span class="linenos">485</span></a> <span class="n">column</span> <span class="k">for</span> <span class="n">columns</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span><span class="o">.</span><span class="n">values</span><span class="p">()</span> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">columns</span> -</span><span id="L-486"><a href="#L-486"><span class="linenos">486</span></a> <span class="p">}</span> -</span><span id="L-487"><a href="#L-487"><span class="linenos">487</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> -</span><span id="L-488"><a href="#L-488"><span class="linenos">488</span></a> -</span><span id="L-489"><a href="#L-489"><span class="linenos">489</span></a> <span class="k">def</span> <span class="nf">get_source_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">only_visible</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> -</span><span id="L-490"><a href="#L-490"><span class="linenos">490</span></a><span class="w"> </span><span class="sd">"""Resolve the source columns for a given source `name`"""</span> -</span><span id="L-491"><a href="#L-491"><span class="linenos">491</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> -</span><span id="L-492"><a href="#L-492"><span class="linenos">492</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown table: </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-474"><a href="#L-474"><span class="linenos">474</span></a> +</span><span id="L-475"><a href="#L-475"><span class="linenos">475</span></a><span class="k">class</span> <span class="nc">Resolver</span><span class="p">:</span> +</span><span id="L-476"><a href="#L-476"><span class="linenos">476</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-477"><a href="#L-477"><span class="linenos">477</span></a><span class="sd"> Helper for resolving columns.</span> +</span><span id="L-478"><a href="#L-478"><span class="linenos">478</span></a> +</span><span id="L-479"><a href="#L-479"><span class="linenos">479</span></a><span class="sd"> This is a class so we can lazily load some things and easily share them across functions.</span> +</span><span id="L-480"><a href="#L-480"><span class="linenos">480</span></a><span class="sd"> """</span> +</span><span id="L-481"><a href="#L-481"><span class="linenos">481</span></a> +</span><span id="L-482"><a href="#L-482"><span class="linenos">482</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span><span class="p">,</span> <span class="n">infer_schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">):</span> +</span><span id="L-483"><a href="#L-483"><span class="linenos">483</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span> <span class="o">=</span> <span class="n">scope</span> +</span><span id="L-484"><a href="#L-484"><span class="linenos">484</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> +</span><span id="L-485"><a href="#L-485"><span class="linenos">485</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-486"><a href="#L-486"><span class="linenos">486</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-487"><a href="#L-487"><span class="linenos">487</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-488"><a href="#L-488"><span class="linenos">488</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span> <span class="o">=</span> <span class="n">infer_schema</span> +</span><span id="L-489"><a href="#L-489"><span class="linenos">489</span></a> +</span><span id="L-490"><a href="#L-490"><span class="linenos">490</span></a> <span class="k">def</span> <span class="nf">get_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">column_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">]:</span> +</span><span id="L-491"><a href="#L-491"><span class="linenos">491</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-492"><a href="#L-492"><span class="linenos">492</span></a><span class="sd"> Get the table for a column name.</span> </span><span id="L-493"><a href="#L-493"><span class="linenos">493</span></a> -</span><span id="L-494"><a href="#L-494"><span class="linenos">494</span></a> <span class="n">source</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> -</span><span id="L-495"><a href="#L-495"><span class="linenos">495</span></a> -</span><span id="L-496"><a href="#L-496"><span class="linenos">496</span></a> <span class="c1"># If referencing a table, return the columns from the schema</span> -</span><span id="L-497"><a href="#L-497"><span class="linenos">497</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> -</span><span id="L-498"><a href="#L-498"><span class="linenos">498</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">column_names</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">only_visible</span><span class="p">)</span> -</span><span id="L-499"><a href="#L-499"><span class="linenos">499</span></a> -</span><span id="L-500"><a href="#L-500"><span class="linenos">500</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">):</span> -</span><span id="L-501"><a href="#L-501"><span class="linenos">501</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span> -</span><span id="L-502"><a href="#L-502"><span class="linenos">502</span></a> -</span><span id="L-503"><a href="#L-503"><span class="linenos">503</span></a> <span class="c1"># Otherwise, if referencing another scope, return that scope's named selects</span> -</span><span id="L-504"><a href="#L-504"><span class="linenos">504</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">named_selects</span> +</span><span id="L-494"><a href="#L-494"><span class="linenos">494</span></a><span class="sd"> Args:</span> +</span><span id="L-495"><a href="#L-495"><span class="linenos">495</span></a><span class="sd"> column_name: The column name to find the table for.</span> +</span><span id="L-496"><a href="#L-496"><span class="linenos">496</span></a><span class="sd"> Returns:</span> +</span><span id="L-497"><a href="#L-497"><span class="linenos">497</span></a><span class="sd"> The table name if it can be found/inferred.</span> +</span><span id="L-498"><a href="#L-498"><span class="linenos">498</span></a><span class="sd"> """</span> +</span><span id="L-499"><a href="#L-499"><span class="linenos">499</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-500"><a href="#L-500"><span class="linenos">500</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_unambiguous_columns</span><span class="p">(</span> +</span><span id="L-501"><a href="#L-501"><span class="linenos">501</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span> +</span><span id="L-502"><a href="#L-502"><span class="linenos">502</span></a> <span class="p">)</span> +</span><span id="L-503"><a href="#L-503"><span class="linenos">503</span></a> +</span><span id="L-504"><a href="#L-504"><span class="linenos">504</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">column_name</span><span class="p">)</span> </span><span id="L-505"><a href="#L-505"><span class="linenos">505</span></a> -</span><span id="L-506"><a href="#L-506"><span class="linenos">506</span></a> <span class="k">def</span> <span class="nf">_get_all_source_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> -</span><span id="L-507"><a href="#L-507"><span class="linenos">507</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-508"><a href="#L-508"><span class="linenos">508</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-509"><a href="#L-509"><span class="linenos">509</span></a> <span class="n">k</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_source_columns</span><span class="p">(</span><span class="n">k</span><span class="p">)</span> -</span><span id="L-510"><a href="#L-510"><span class="linenos">510</span></a> <span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">lateral_sources</span><span class="p">)</span> -</span><span id="L-511"><a href="#L-511"><span class="linenos">511</span></a> <span class="p">}</span> -</span><span id="L-512"><a href="#L-512"><span class="linenos">512</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> -</span><span id="L-513"><a href="#L-513"><span class="linenos">513</span></a> -</span><span id="L-514"><a href="#L-514"><span class="linenos">514</span></a> <span class="k">def</span> <span class="nf">_get_unambiguous_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">source_columns</span><span class="p">):</span> -</span><span id="L-515"><a href="#L-515"><span class="linenos">515</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-516"><a href="#L-516"><span class="linenos">516</span></a><span class="sd"> Find all the unambiguous columns in sources.</span> +</span><span id="L-506"><a href="#L-506"><span class="linenos">506</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table_name</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span><span class="p">:</span> +</span><span id="L-507"><a href="#L-507"><span class="linenos">507</span></a> <span class="n">sources_without_schema</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> +</span><span id="L-508"><a href="#L-508"><span class="linenos">508</span></a> <span class="n">source</span> +</span><span id="L-509"><a href="#L-509"><span class="linenos">509</span></a> <span class="k">for</span> <span class="n">source</span><span class="p">,</span> <span class="n">columns</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="L-510"><a href="#L-510"><span class="linenos">510</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">columns</span> <span class="ow">or</span> <span class="s2">"*"</span> <span class="ow">in</span> <span class="n">columns</span> +</span><span id="L-511"><a href="#L-511"><span class="linenos">511</span></a> <span class="p">)</span> +</span><span id="L-512"><a href="#L-512"><span class="linenos">512</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sources_without_schema</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="L-513"><a href="#L-513"><span class="linenos">513</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">sources_without_schema</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-514"><a href="#L-514"><span class="linenos">514</span></a> +</span><span id="L-515"><a href="#L-515"><span class="linenos">515</span></a> <span class="k">if</span> <span class="n">table_name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">:</span> +</span><span id="L-516"><a href="#L-516"><span class="linenos">516</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> </span><span id="L-517"><a href="#L-517"><span class="linenos">517</span></a> -</span><span id="L-518"><a href="#L-518"><span class="linenos">518</span></a><span class="sd"> Args:</span> -</span><span id="L-519"><a href="#L-519"><span class="linenos">519</span></a><span class="sd"> source_columns (dict): Mapping of names to source columns</span> -</span><span id="L-520"><a href="#L-520"><span class="linenos">520</span></a><span class="sd"> Returns:</span> -</span><span id="L-521"><a href="#L-521"><span class="linenos">521</span></a><span class="sd"> dict: Mapping of column name to source name</span> -</span><span id="L-522"><a href="#L-522"><span class="linenos">522</span></a><span class="sd"> """</span> -</span><span id="L-523"><a href="#L-523"><span class="linenos">523</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source_columns</span><span class="p">:</span> -</span><span id="L-524"><a href="#L-524"><span class="linenos">524</span></a> <span class="k">return</span> <span class="p">{}</span> -</span><span id="L-525"><a href="#L-525"><span class="linenos">525</span></a> -</span><span id="L-526"><a href="#L-526"><span class="linenos">526</span></a> <span class="n">source_columns</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">source_columns</span><span class="o">.</span><span class="n">items</span><span class="p">())</span> +</span><span id="L-518"><a href="#L-518"><span class="linenos">518</span></a> <span class="n">node</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> +</span><span id="L-519"><a href="#L-519"><span class="linenos">519</span></a> +</span><span id="L-520"><a href="#L-520"><span class="linenos">520</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">):</span> +</span><span id="L-521"><a href="#L-521"><span class="linenos">521</span></a> <span class="k">while</span> <span class="n">node</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">alias</span> <span class="o">!=</span> <span class="n">table_name</span><span class="p">:</span> +</span><span id="L-522"><a href="#L-522"><span class="linenos">522</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">parent</span> +</span><span id="L-523"><a href="#L-523"><span class="linenos">523</span></a> +</span><span id="L-524"><a href="#L-524"><span class="linenos">524</span></a> <span class="n">node_alias</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span> +</span><span id="L-525"><a href="#L-525"><span class="linenos">525</span></a> <span class="k">if</span> <span class="n">node_alias</span><span class="p">:</span> +</span><span id="L-526"><a href="#L-526"><span class="linenos">526</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">node_alias</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> </span><span id="L-527"><a href="#L-527"><span class="linenos">527</span></a> -</span><span id="L-528"><a href="#L-528"><span class="linenos">528</span></a> <span class="n">first_table</span><span class="p">,</span> <span class="n">first_columns</span> <span class="o">=</span> <span class="n">source_columns</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="L-529"><a href="#L-529"><span class="linenos">529</span></a> <span class="n">unambiguous_columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">col</span><span class="p">:</span> <span class="n">first_table</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_find_unique_columns</span><span class="p">(</span><span class="n">first_columns</span><span class="p">)}</span> -</span><span id="L-530"><a href="#L-530"><span class="linenos">530</span></a> <span class="n">all_columns</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">unambiguous_columns</span><span class="p">)</span> -</span><span id="L-531"><a href="#L-531"><span class="linenos">531</span></a> -</span><span id="L-532"><a href="#L-532"><span class="linenos">532</span></a> <span class="k">for</span> <span class="n">table</span><span class="p">,</span> <span class="n">columns</span> <span class="ow">in</span> <span class="n">source_columns</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> -</span><span id="L-533"><a href="#L-533"><span class="linenos">533</span></a> <span class="n">unique</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_find_unique_columns</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> -</span><span id="L-534"><a href="#L-534"><span class="linenos">534</span></a> <span class="n">ambiguous</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="n">unique</span><span class="p">)</span> -</span><span id="L-535"><a href="#L-535"><span class="linenos">535</span></a> <span class="n">all_columns</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> -</span><span id="L-536"><a href="#L-536"><span class="linenos">536</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">ambiguous</span><span class="p">:</span> -</span><span id="L-537"><a href="#L-537"><span class="linenos">537</span></a> <span class="n">unambiguous_columns</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="L-538"><a href="#L-538"><span class="linenos">538</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">unique</span><span class="o">.</span><span class="n">difference</span><span class="p">(</span><span class="n">ambiguous</span><span class="p">):</span> -</span><span id="L-539"><a href="#L-539"><span class="linenos">539</span></a> <span class="n">unambiguous_columns</span><span class="p">[</span><span class="n">column</span><span class="p">]</span> <span class="o">=</span> <span class="n">table</span> -</span><span id="L-540"><a href="#L-540"><span class="linenos">540</span></a> -</span><span id="L-541"><a href="#L-541"><span class="linenos">541</span></a> <span class="k">return</span> <span class="n">unambiguous_columns</span> -</span><span id="L-542"><a href="#L-542"><span class="linenos">542</span></a> -</span><span id="L-543"><a href="#L-543"><span class="linenos">543</span></a> <span class="nd">@staticmethod</span> -</span><span id="L-544"><a href="#L-544"><span class="linenos">544</span></a> <span class="k">def</span> <span class="nf">_find_unique_columns</span><span class="p">(</span><span class="n">columns</span><span class="p">):</span> -</span><span id="L-545"><a href="#L-545"><span class="linenos">545</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-546"><a href="#L-546"><span class="linenos">546</span></a><span class="sd"> Find the unique columns in a list of columns.</span> -</span><span id="L-547"><a href="#L-547"><span class="linenos">547</span></a> -</span><span id="L-548"><a href="#L-548"><span class="linenos">548</span></a><span class="sd"> Example:</span> -</span><span id="L-549"><a href="#L-549"><span class="linenos">549</span></a><span class="sd"> >>> sorted(Resolver._find_unique_columns(["a", "b", "b", "c"]))</span> -</span><span id="L-550"><a href="#L-550"><span class="linenos">550</span></a><span class="sd"> ['a', 'c']</span> -</span><span id="L-551"><a href="#L-551"><span class="linenos">551</span></a> -</span><span id="L-552"><a href="#L-552"><span class="linenos">552</span></a><span class="sd"> This is necessary because duplicate column names are ambiguous.</span> -</span><span id="L-553"><a href="#L-553"><span class="linenos">553</span></a><span class="sd"> """</span> -</span><span id="L-554"><a href="#L-554"><span class="linenos">554</span></a> <span class="n">counts</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-555"><a href="#L-555"><span class="linenos">555</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">:</span> -</span><span id="L-556"><a href="#L-556"><span class="linenos">556</span></a> <span class="n">counts</span><span class="p">[</span><span class="n">column</span><span class="p">]</span> <span class="o">=</span> <span class="n">counts</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span> -</span><span id="L-557"><a href="#L-557"><span class="linenos">557</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">column</span> <span class="k">for</span> <span class="n">column</span><span class="p">,</span> <span class="n">count</span> <span class="ow">in</span> <span class="n">counts</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="n">count</span> <span class="o">==</span> <span class="mi">1</span><span class="p">}</span> +</span><span id="L-528"><a href="#L-528"><span class="linenos">528</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> +</span><span id="L-529"><a href="#L-529"><span class="linenos">529</span></a> +</span><span id="L-530"><a href="#L-530"><span class="linenos">530</span></a> <span class="nd">@property</span> +</span><span id="L-531"><a href="#L-531"><span class="linenos">531</span></a> <span class="k">def</span> <span class="nf">all_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> +</span><span id="L-532"><a href="#L-532"><span class="linenos">532</span></a><span class="w"> </span><span class="sd">"""All available columns of all sources in this scope"""</span> +</span><span id="L-533"><a href="#L-533"><span class="linenos">533</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-534"><a href="#L-534"><span class="linenos">534</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-535"><a href="#L-535"><span class="linenos">535</span></a> <span class="n">column</span> <span class="k">for</span> <span class="n">columns</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span><span class="o">.</span><span class="n">values</span><span class="p">()</span> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">columns</span> +</span><span id="L-536"><a href="#L-536"><span class="linenos">536</span></a> <span class="p">}</span> +</span><span id="L-537"><a href="#L-537"><span class="linenos">537</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> +</span><span id="L-538"><a href="#L-538"><span class="linenos">538</span></a> +</span><span id="L-539"><a href="#L-539"><span class="linenos">539</span></a> <span class="k">def</span> <span class="nf">get_source_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">only_visible</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> +</span><span id="L-540"><a href="#L-540"><span class="linenos">540</span></a><span class="w"> </span><span class="sd">"""Resolve the source columns for a given source `name`"""</span> +</span><span id="L-541"><a href="#L-541"><span class="linenos">541</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> +</span><span id="L-542"><a href="#L-542"><span class="linenos">542</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown table: </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-543"><a href="#L-543"><span class="linenos">543</span></a> +</span><span id="L-544"><a href="#L-544"><span class="linenos">544</span></a> <span class="n">source</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> +</span><span id="L-545"><a href="#L-545"><span class="linenos">545</span></a> +</span><span id="L-546"><a href="#L-546"><span class="linenos">546</span></a> <span class="c1"># If referencing a table, return the columns from the schema</span> +</span><span id="L-547"><a href="#L-547"><span class="linenos">547</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="L-548"><a href="#L-548"><span class="linenos">548</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">column_names</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">only_visible</span><span class="p">)</span> +</span><span id="L-549"><a href="#L-549"><span class="linenos">549</span></a> +</span><span id="L-550"><a href="#L-550"><span class="linenos">550</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">):</span> +</span><span id="L-551"><a href="#L-551"><span class="linenos">551</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span> +</span><span id="L-552"><a href="#L-552"><span class="linenos">552</span></a> +</span><span id="L-553"><a href="#L-553"><span class="linenos">553</span></a> <span class="c1"># Otherwise, if referencing another scope, return that scope's named selects</span> +</span><span id="L-554"><a href="#L-554"><span class="linenos">554</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">named_selects</span> +</span><span id="L-555"><a href="#L-555"><span class="linenos">555</span></a> +</span><span id="L-556"><a href="#L-556"><span class="linenos">556</span></a> <span class="k">def</span> <span class="nf">_get_all_source_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> +</span><span id="L-557"><a href="#L-557"><span class="linenos">557</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-558"><a href="#L-558"><span class="linenos">558</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-559"><a href="#L-559"><span class="linenos">559</span></a> <span class="n">k</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_source_columns</span><span class="p">(</span><span class="n">k</span><span class="p">)</span> +</span><span id="L-560"><a href="#L-560"><span class="linenos">560</span></a> <span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">lateral_sources</span><span class="p">)</span> +</span><span id="L-561"><a href="#L-561"><span class="linenos">561</span></a> <span class="p">}</span> +</span><span id="L-562"><a href="#L-562"><span class="linenos">562</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> +</span><span id="L-563"><a href="#L-563"><span class="linenos">563</span></a> +</span><span id="L-564"><a href="#L-564"><span class="linenos">564</span></a> <span class="k">def</span> <span class="nf">_get_unambiguous_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">source_columns</span><span class="p">):</span> +</span><span id="L-565"><a href="#L-565"><span class="linenos">565</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-566"><a href="#L-566"><span class="linenos">566</span></a><span class="sd"> Find all the unambiguous columns in sources.</span> +</span><span id="L-567"><a href="#L-567"><span class="linenos">567</span></a> +</span><span id="L-568"><a href="#L-568"><span class="linenos">568</span></a><span class="sd"> Args:</span> +</span><span id="L-569"><a href="#L-569"><span class="linenos">569</span></a><span class="sd"> source_columns (dict): Mapping of names to source columns</span> +</span><span id="L-570"><a href="#L-570"><span class="linenos">570</span></a><span class="sd"> Returns:</span> +</span><span id="L-571"><a href="#L-571"><span class="linenos">571</span></a><span class="sd"> dict: Mapping of column name to source name</span> +</span><span id="L-572"><a href="#L-572"><span class="linenos">572</span></a><span class="sd"> """</span> +</span><span id="L-573"><a href="#L-573"><span class="linenos">573</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source_columns</span><span class="p">:</span> +</span><span id="L-574"><a href="#L-574"><span class="linenos">574</span></a> <span class="k">return</span> <span class="p">{}</span> +</span><span id="L-575"><a href="#L-575"><span class="linenos">575</span></a> +</span><span id="L-576"><a href="#L-576"><span class="linenos">576</span></a> <span class="n">source_columns</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">source_columns</span><span class="o">.</span><span class="n">items</span><span class="p">())</span> +</span><span id="L-577"><a href="#L-577"><span class="linenos">577</span></a> +</span><span id="L-578"><a href="#L-578"><span class="linenos">578</span></a> <span class="n">first_table</span><span class="p">,</span> <span class="n">first_columns</span> <span class="o">=</span> <span class="n">source_columns</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="L-579"><a href="#L-579"><span class="linenos">579</span></a> <span class="n">unambiguous_columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">col</span><span class="p">:</span> <span class="n">first_table</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_find_unique_columns</span><span class="p">(</span><span class="n">first_columns</span><span class="p">)}</span> +</span><span id="L-580"><a href="#L-580"><span class="linenos">580</span></a> <span class="n">all_columns</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">unambiguous_columns</span><span class="p">)</span> +</span><span id="L-581"><a href="#L-581"><span class="linenos">581</span></a> +</span><span id="L-582"><a href="#L-582"><span class="linenos">582</span></a> <span class="k">for</span> <span class="n">table</span><span class="p">,</span> <span class="n">columns</span> <span class="ow">in</span> <span class="n">source_columns</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="L-583"><a href="#L-583"><span class="linenos">583</span></a> <span class="n">unique</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_find_unique_columns</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> +</span><span id="L-584"><a href="#L-584"><span class="linenos">584</span></a> <span class="n">ambiguous</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="n">unique</span><span class="p">)</span> +</span><span id="L-585"><a href="#L-585"><span class="linenos">585</span></a> <span class="n">all_columns</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> +</span><span id="L-586"><a href="#L-586"><span class="linenos">586</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">ambiguous</span><span class="p">:</span> +</span><span id="L-587"><a href="#L-587"><span class="linenos">587</span></a> <span class="n">unambiguous_columns</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="L-588"><a href="#L-588"><span class="linenos">588</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">unique</span><span class="o">.</span><span class="n">difference</span><span class="p">(</span><span class="n">ambiguous</span><span class="p">):</span> +</span><span id="L-589"><a href="#L-589"><span class="linenos">589</span></a> <span class="n">unambiguous_columns</span><span class="p">[</span><span class="n">column</span><span class="p">]</span> <span class="o">=</span> <span class="n">table</span> +</span><span id="L-590"><a href="#L-590"><span class="linenos">590</span></a> +</span><span id="L-591"><a href="#L-591"><span class="linenos">591</span></a> <span class="k">return</span> <span class="n">unambiguous_columns</span> +</span><span id="L-592"><a href="#L-592"><span class="linenos">592</span></a> +</span><span id="L-593"><a href="#L-593"><span class="linenos">593</span></a> <span class="nd">@staticmethod</span> +</span><span id="L-594"><a href="#L-594"><span class="linenos">594</span></a> <span class="k">def</span> <span class="nf">_find_unique_columns</span><span class="p">(</span><span class="n">columns</span><span class="p">):</span> +</span><span id="L-595"><a href="#L-595"><span class="linenos">595</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-596"><a href="#L-596"><span class="linenos">596</span></a><span class="sd"> Find the unique columns in a list of columns.</span> +</span><span id="L-597"><a href="#L-597"><span class="linenos">597</span></a> +</span><span id="L-598"><a href="#L-598"><span class="linenos">598</span></a><span class="sd"> Example:</span> +</span><span id="L-599"><a href="#L-599"><span class="linenos">599</span></a><span class="sd"> >>> sorted(Resolver._find_unique_columns(["a", "b", "b", "c"]))</span> +</span><span id="L-600"><a href="#L-600"><span class="linenos">600</span></a><span class="sd"> ['a', 'c']</span> +</span><span id="L-601"><a href="#L-601"><span class="linenos">601</span></a> +</span><span id="L-602"><a href="#L-602"><span class="linenos">602</span></a><span class="sd"> This is necessary because duplicate column names are ambiguous.</span> +</span><span id="L-603"><a href="#L-603"><span class="linenos">603</span></a><span class="sd"> """</span> +</span><span id="L-604"><a href="#L-604"><span class="linenos">604</span></a> <span class="n">counts</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-605"><a href="#L-605"><span class="linenos">605</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">:</span> +</span><span id="L-606"><a href="#L-606"><span class="linenos">606</span></a> <span class="n">counts</span><span class="p">[</span><span class="n">column</span><span class="p">]</span> <span class="o">=</span> <span class="n">counts</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span> +</span><span id="L-607"><a href="#L-607"><span class="linenos">607</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">column</span> <span class="k">for</span> <span class="n">column</span><span class="p">,</span> <span class="n">count</span> <span class="ow">in</span> <span class="n">counts</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="n">count</span> <span class="o">==</span> <span class="mi">1</span><span class="p">}</span> </span></pre></div> @@ -702,8 +752,8 @@ </span><span id="qualify_columns-57"><a href="#qualify_columns-57"><span class="linenos">57</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">scope</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">UDTF</span><span class="p">):</span> </span><span id="qualify_columns-58"><a href="#qualify_columns-58"><span class="linenos">58</span></a> <span class="n">_expand_stars</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">,</span> <span class="n">using_column_tables</span><span class="p">)</span> </span><span id="qualify_columns-59"><a href="#qualify_columns-59"><span class="linenos">59</span></a> <span class="n">_qualify_outputs</span><span class="p">(</span><span class="n">scope</span><span class="p">)</span> -</span><span id="qualify_columns-60"><a href="#qualify_columns-60"><span class="linenos">60</span></a> <span class="n">_expand_group_by</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">)</span> -</span><span id="qualify_columns-61"><a href="#qualify_columns-61"><span class="linenos">61</span></a> <span class="n">_expand_order_by</span><span class="p">(</span><span class="n">scope</span><span class="p">)</span> +</span><span id="qualify_columns-60"><a href="#qualify_columns-60"><span class="linenos">60</span></a> <span class="n">_expand_group_by</span><span class="p">(</span><span class="n">scope</span><span class="p">)</span> +</span><span id="qualify_columns-61"><a href="#qualify_columns-61"><span class="linenos">61</span></a> <span class="n">_expand_order_by</span><span class="p">(</span><span class="n">scope</span><span class="p">,</span> <span class="n">resolver</span><span class="p">)</span> </span><span id="qualify_columns-62"><a href="#qualify_columns-62"><span class="linenos">62</span></a> </span><span id="qualify_columns-63"><a href="#qualify_columns-63"><span class="linenos">63</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -747,13 +797,13 @@ <div class="attr function"> <span class="def">def</span> - <span class="name">validate_qualify_columns</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">expression</span></span><span class="return-annotation">):</span></span> + <span class="name">validate_qualify_columns</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">expression</span><span class="p">:</span> <span class="o">~</span><span class="n">E</span></span><span class="return-annotation">) -> <span class="o">~</span><span class="n">E</span>:</span></span> <label class="view-source-button" for="validate_qualify_columns-view-source"><span>View Source</span></label> </div> <a class="headerlink" href="#validate_qualify_columns"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="validate_qualify_columns-66"><a href="#validate_qualify_columns-66"><span class="linenos">66</span></a><span class="k">def</span> <span class="nf">validate_qualify_columns</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="validate_qualify_columns-66"><a href="#validate_qualify_columns-66"><span class="linenos">66</span></a><span class="k">def</span> <span class="nf">validate_qualify_columns</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> </span><span id="validate_qualify_columns-67"><a href="#validate_qualify_columns-67"><span class="linenos">67</span></a><span class="w"> </span><span class="sd">"""Raise an `OptimizeError` if any columns aren't qualified"""</span> </span><span id="validate_qualify_columns-68"><a href="#validate_qualify_columns-68"><span class="linenos">68</span></a> <span class="n">unqualified_columns</span> <span class="o">=</span> <span class="p">[]</span> </span><span id="validate_qualify_columns-69"><a href="#validate_qualify_columns-69"><span class="linenos">69</span></a> <span class="k">for</span> <span class="n">scope</span> <span class="ow">in</span> <span class="n">traverse_scope</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> @@ -787,11 +837,11 @@ </div> <a class="headerlink" href="#quote_identifiers"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="quote_identifiers-419"><a href="#quote_identifiers-419"><span class="linenos">419</span></a><span class="k">def</span> <span class="nf">quote_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> -</span><span id="quote_identifiers-420"><a href="#quote_identifiers-420"><span class="linenos">420</span></a><span class="w"> </span><span class="sd">"""Makes sure all identifiers that need to be quoted are quoted."""</span> -</span><span id="quote_identifiers-421"><a href="#quote_identifiers-421"><span class="linenos">421</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> -</span><span id="quote_identifiers-422"><a href="#quote_identifiers-422"><span class="linenos">422</span></a> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="o">.</span><span class="n">quote_identifier</span><span class="p">,</span> <span class="n">identify</span><span class="o">=</span><span class="n">identify</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span> -</span><span id="quote_identifiers-423"><a href="#quote_identifiers-423"><span class="linenos">423</span></a> <span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="quote_identifiers-469"><a href="#quote_identifiers-469"><span class="linenos">469</span></a><span class="k">def</span> <span class="nf">quote_identifiers</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">E</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">identify</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">)</span> <span class="o">-></span> <span class="n">E</span><span class="p">:</span> +</span><span id="quote_identifiers-470"><a href="#quote_identifiers-470"><span class="linenos">470</span></a><span class="w"> </span><span class="sd">"""Makes sure all identifiers that need to be quoted are quoted."""</span> +</span><span id="quote_identifiers-471"><a href="#quote_identifiers-471"><span class="linenos">471</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">transform</span><span class="p">(</span> +</span><span id="quote_identifiers-472"><a href="#quote_identifiers-472"><span class="linenos">472</span></a> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="o">.</span><span class="n">quote_identifier</span><span class="p">,</span> <span class="n">identify</span><span class="o">=</span><span class="n">identify</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span> +</span><span id="quote_identifiers-473"><a href="#quote_identifiers-473"><span class="linenos">473</span></a> <span class="p">)</span> </span></pre></div> @@ -811,139 +861,139 @@ </div> <a class="headerlink" href="#Resolver"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Resolver-426"><a href="#Resolver-426"><span class="linenos">426</span></a><span class="k">class</span> <span class="nc">Resolver</span><span class="p">:</span> -</span><span id="Resolver-427"><a href="#Resolver-427"><span class="linenos">427</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Resolver-428"><a href="#Resolver-428"><span class="linenos">428</span></a><span class="sd"> Helper for resolving columns.</span> -</span><span id="Resolver-429"><a href="#Resolver-429"><span class="linenos">429</span></a> -</span><span id="Resolver-430"><a href="#Resolver-430"><span class="linenos">430</span></a><span class="sd"> This is a class so we can lazily load some things and easily share them across functions.</span> -</span><span id="Resolver-431"><a href="#Resolver-431"><span class="linenos">431</span></a><span class="sd"> """</span> -</span><span id="Resolver-432"><a href="#Resolver-432"><span class="linenos">432</span></a> -</span><span id="Resolver-433"><a href="#Resolver-433"><span class="linenos">433</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">infer_schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">):</span> -</span><span id="Resolver-434"><a href="#Resolver-434"><span class="linenos">434</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span> <span class="o">=</span> <span class="n">scope</span> -</span><span id="Resolver-435"><a href="#Resolver-435"><span class="linenos">435</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> -</span><span id="Resolver-436"><a href="#Resolver-436"><span class="linenos">436</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Resolver-437"><a href="#Resolver-437"><span class="linenos">437</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Resolver-438"><a href="#Resolver-438"><span class="linenos">438</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Resolver-439"><a href="#Resolver-439"><span class="linenos">439</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span> <span class="o">=</span> <span class="n">infer_schema</span> -</span><span id="Resolver-440"><a href="#Resolver-440"><span class="linenos">440</span></a> -</span><span id="Resolver-441"><a href="#Resolver-441"><span class="linenos">441</span></a> <span class="k">def</span> <span class="nf">get_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">column_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">]:</span> -</span><span id="Resolver-442"><a href="#Resolver-442"><span class="linenos">442</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Resolver-443"><a href="#Resolver-443"><span class="linenos">443</span></a><span class="sd"> Get the table for a column name.</span> -</span><span id="Resolver-444"><a href="#Resolver-444"><span class="linenos">444</span></a> -</span><span id="Resolver-445"><a href="#Resolver-445"><span class="linenos">445</span></a><span class="sd"> Args:</span> -</span><span id="Resolver-446"><a href="#Resolver-446"><span class="linenos">446</span></a><span class="sd"> column_name: The column name to find the table for.</span> -</span><span id="Resolver-447"><a href="#Resolver-447"><span class="linenos">447</span></a><span class="sd"> Returns:</span> -</span><span id="Resolver-448"><a href="#Resolver-448"><span class="linenos">448</span></a><span class="sd"> The table name if it can be found/inferred.</span> -</span><span id="Resolver-449"><a href="#Resolver-449"><span class="linenos">449</span></a><span class="sd"> """</span> -</span><span id="Resolver-450"><a href="#Resolver-450"><span class="linenos">450</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Resolver-451"><a href="#Resolver-451"><span class="linenos">451</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_unambiguous_columns</span><span class="p">(</span> -</span><span id="Resolver-452"><a href="#Resolver-452"><span class="linenos">452</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span> -</span><span id="Resolver-453"><a href="#Resolver-453"><span class="linenos">453</span></a> <span class="p">)</span> -</span><span id="Resolver-454"><a href="#Resolver-454"><span class="linenos">454</span></a> -</span><span id="Resolver-455"><a href="#Resolver-455"><span class="linenos">455</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">column_name</span><span class="p">)</span> -</span><span id="Resolver-456"><a href="#Resolver-456"><span class="linenos">456</span></a> -</span><span id="Resolver-457"><a href="#Resolver-457"><span class="linenos">457</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table_name</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span><span class="p">:</span> -</span><span id="Resolver-458"><a href="#Resolver-458"><span class="linenos">458</span></a> <span class="n">sources_without_schema</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> -</span><span id="Resolver-459"><a href="#Resolver-459"><span class="linenos">459</span></a> <span class="n">source</span> -</span><span id="Resolver-460"><a href="#Resolver-460"><span class="linenos">460</span></a> <span class="k">for</span> <span class="n">source</span><span class="p">,</span> <span class="n">columns</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="Resolver-461"><a href="#Resolver-461"><span class="linenos">461</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">columns</span> <span class="ow">or</span> <span class="s2">"*"</span> <span class="ow">in</span> <span class="n">columns</span> -</span><span id="Resolver-462"><a href="#Resolver-462"><span class="linenos">462</span></a> <span class="p">)</span> -</span><span id="Resolver-463"><a href="#Resolver-463"><span class="linenos">463</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sources_without_schema</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="Resolver-464"><a href="#Resolver-464"><span class="linenos">464</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">sources_without_schema</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="Resolver-465"><a href="#Resolver-465"><span class="linenos">465</span></a> -</span><span id="Resolver-466"><a href="#Resolver-466"><span class="linenos">466</span></a> <span class="k">if</span> <span class="n">table_name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">:</span> -</span><span id="Resolver-467"><a href="#Resolver-467"><span class="linenos">467</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> -</span><span id="Resolver-468"><a href="#Resolver-468"><span class="linenos">468</span></a> -</span><span id="Resolver-469"><a href="#Resolver-469"><span class="linenos">469</span></a> <span class="n">node</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> -</span><span id="Resolver-470"><a href="#Resolver-470"><span class="linenos">470</span></a> -</span><span id="Resolver-471"><a href="#Resolver-471"><span class="linenos">471</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">):</span> -</span><span id="Resolver-472"><a href="#Resolver-472"><span class="linenos">472</span></a> <span class="k">while</span> <span class="n">node</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">alias</span> <span class="o">!=</span> <span class="n">table_name</span><span class="p">:</span> -</span><span id="Resolver-473"><a href="#Resolver-473"><span class="linenos">473</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">parent</span> -</span><span id="Resolver-474"><a href="#Resolver-474"><span class="linenos">474</span></a> -</span><span id="Resolver-475"><a href="#Resolver-475"><span class="linenos">475</span></a> <span class="n">node_alias</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span> -</span><span id="Resolver-476"><a href="#Resolver-476"><span class="linenos">476</span></a> <span class="k">if</span> <span class="n">node_alias</span><span class="p">:</span> -</span><span id="Resolver-477"><a href="#Resolver-477"><span class="linenos">477</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">node_alias</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> -</span><span id="Resolver-478"><a href="#Resolver-478"><span class="linenos">478</span></a> -</span><span id="Resolver-479"><a href="#Resolver-479"><span class="linenos">479</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> -</span><span id="Resolver-480"><a href="#Resolver-480"><span class="linenos">480</span></a> -</span><span id="Resolver-481"><a href="#Resolver-481"><span class="linenos">481</span></a> <span class="nd">@property</span> -</span><span id="Resolver-482"><a href="#Resolver-482"><span class="linenos">482</span></a> <span class="k">def</span> <span class="nf">all_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> -</span><span id="Resolver-483"><a href="#Resolver-483"><span class="linenos">483</span></a><span class="w"> </span><span class="sd">"""All available columns of all sources in this scope"""</span> -</span><span id="Resolver-484"><a href="#Resolver-484"><span class="linenos">484</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Resolver-485"><a href="#Resolver-485"><span class="linenos">485</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Resolver-486"><a href="#Resolver-486"><span class="linenos">486</span></a> <span class="n">column</span> <span class="k">for</span> <span class="n">columns</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span><span class="o">.</span><span class="n">values</span><span class="p">()</span> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">columns</span> -</span><span id="Resolver-487"><a href="#Resolver-487"><span class="linenos">487</span></a> <span class="p">}</span> -</span><span id="Resolver-488"><a href="#Resolver-488"><span class="linenos">488</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> -</span><span id="Resolver-489"><a href="#Resolver-489"><span class="linenos">489</span></a> -</span><span id="Resolver-490"><a href="#Resolver-490"><span class="linenos">490</span></a> <span class="k">def</span> <span class="nf">get_source_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">only_visible</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> -</span><span id="Resolver-491"><a href="#Resolver-491"><span class="linenos">491</span></a><span class="w"> </span><span class="sd">"""Resolve the source columns for a given source `name`"""</span> -</span><span id="Resolver-492"><a href="#Resolver-492"><span class="linenos">492</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> -</span><span id="Resolver-493"><a href="#Resolver-493"><span class="linenos">493</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown table: </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Resolver-476"><a href="#Resolver-476"><span class="linenos">476</span></a><span class="k">class</span> <span class="nc">Resolver</span><span class="p">:</span> +</span><span id="Resolver-477"><a href="#Resolver-477"><span class="linenos">477</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Resolver-478"><a href="#Resolver-478"><span class="linenos">478</span></a><span class="sd"> Helper for resolving columns.</span> +</span><span id="Resolver-479"><a href="#Resolver-479"><span class="linenos">479</span></a> +</span><span id="Resolver-480"><a href="#Resolver-480"><span class="linenos">480</span></a><span class="sd"> This is a class so we can lazily load some things and easily share them across functions.</span> +</span><span id="Resolver-481"><a href="#Resolver-481"><span class="linenos">481</span></a><span class="sd"> """</span> +</span><span id="Resolver-482"><a href="#Resolver-482"><span class="linenos">482</span></a> +</span><span id="Resolver-483"><a href="#Resolver-483"><span class="linenos">483</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span><span class="p">,</span> <span class="n">infer_schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">):</span> +</span><span id="Resolver-484"><a href="#Resolver-484"><span class="linenos">484</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span> <span class="o">=</span> <span class="n">scope</span> +</span><span id="Resolver-485"><a href="#Resolver-485"><span class="linenos">485</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> +</span><span id="Resolver-486"><a href="#Resolver-486"><span class="linenos">486</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Resolver-487"><a href="#Resolver-487"><span class="linenos">487</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Resolver-488"><a href="#Resolver-488"><span class="linenos">488</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Resolver-489"><a href="#Resolver-489"><span class="linenos">489</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span> <span class="o">=</span> <span class="n">infer_schema</span> +</span><span id="Resolver-490"><a href="#Resolver-490"><span class="linenos">490</span></a> +</span><span id="Resolver-491"><a href="#Resolver-491"><span class="linenos">491</span></a> <span class="k">def</span> <span class="nf">get_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">column_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">]:</span> +</span><span id="Resolver-492"><a href="#Resolver-492"><span class="linenos">492</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Resolver-493"><a href="#Resolver-493"><span class="linenos">493</span></a><span class="sd"> Get the table for a column name.</span> </span><span id="Resolver-494"><a href="#Resolver-494"><span class="linenos">494</span></a> -</span><span id="Resolver-495"><a href="#Resolver-495"><span class="linenos">495</span></a> <span class="n">source</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> -</span><span id="Resolver-496"><a href="#Resolver-496"><span class="linenos">496</span></a> -</span><span id="Resolver-497"><a href="#Resolver-497"><span class="linenos">497</span></a> <span class="c1"># If referencing a table, return the columns from the schema</span> -</span><span id="Resolver-498"><a href="#Resolver-498"><span class="linenos">498</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> -</span><span id="Resolver-499"><a href="#Resolver-499"><span class="linenos">499</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">column_names</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">only_visible</span><span class="p">)</span> -</span><span id="Resolver-500"><a href="#Resolver-500"><span class="linenos">500</span></a> -</span><span id="Resolver-501"><a href="#Resolver-501"><span class="linenos">501</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">):</span> -</span><span id="Resolver-502"><a href="#Resolver-502"><span class="linenos">502</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span> -</span><span id="Resolver-503"><a href="#Resolver-503"><span class="linenos">503</span></a> -</span><span id="Resolver-504"><a href="#Resolver-504"><span class="linenos">504</span></a> <span class="c1"># Otherwise, if referencing another scope, return that scope's named selects</span> -</span><span id="Resolver-505"><a href="#Resolver-505"><span class="linenos">505</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">named_selects</span> +</span><span id="Resolver-495"><a href="#Resolver-495"><span class="linenos">495</span></a><span class="sd"> Args:</span> +</span><span id="Resolver-496"><a href="#Resolver-496"><span class="linenos">496</span></a><span class="sd"> column_name: The column name to find the table for.</span> +</span><span id="Resolver-497"><a href="#Resolver-497"><span class="linenos">497</span></a><span class="sd"> Returns:</span> +</span><span id="Resolver-498"><a href="#Resolver-498"><span class="linenos">498</span></a><span class="sd"> The table name if it can be found/inferred.</span> +</span><span id="Resolver-499"><a href="#Resolver-499"><span class="linenos">499</span></a><span class="sd"> """</span> +</span><span id="Resolver-500"><a href="#Resolver-500"><span class="linenos">500</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Resolver-501"><a href="#Resolver-501"><span class="linenos">501</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_unambiguous_columns</span><span class="p">(</span> +</span><span id="Resolver-502"><a href="#Resolver-502"><span class="linenos">502</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span> +</span><span id="Resolver-503"><a href="#Resolver-503"><span class="linenos">503</span></a> <span class="p">)</span> +</span><span id="Resolver-504"><a href="#Resolver-504"><span class="linenos">504</span></a> +</span><span id="Resolver-505"><a href="#Resolver-505"><span class="linenos">505</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">column_name</span><span class="p">)</span> </span><span id="Resolver-506"><a href="#Resolver-506"><span class="linenos">506</span></a> -</span><span id="Resolver-507"><a href="#Resolver-507"><span class="linenos">507</span></a> <span class="k">def</span> <span class="nf">_get_all_source_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> -</span><span id="Resolver-508"><a href="#Resolver-508"><span class="linenos">508</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Resolver-509"><a href="#Resolver-509"><span class="linenos">509</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="Resolver-510"><a href="#Resolver-510"><span class="linenos">510</span></a> <span class="n">k</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_source_columns</span><span class="p">(</span><span class="n">k</span><span class="p">)</span> -</span><span id="Resolver-511"><a href="#Resolver-511"><span class="linenos">511</span></a> <span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">lateral_sources</span><span class="p">)</span> -</span><span id="Resolver-512"><a href="#Resolver-512"><span class="linenos">512</span></a> <span class="p">}</span> -</span><span id="Resolver-513"><a href="#Resolver-513"><span class="linenos">513</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> -</span><span id="Resolver-514"><a href="#Resolver-514"><span class="linenos">514</span></a> -</span><span id="Resolver-515"><a href="#Resolver-515"><span class="linenos">515</span></a> <span class="k">def</span> <span class="nf">_get_unambiguous_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">source_columns</span><span class="p">):</span> -</span><span id="Resolver-516"><a href="#Resolver-516"><span class="linenos">516</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Resolver-517"><a href="#Resolver-517"><span class="linenos">517</span></a><span class="sd"> Find all the unambiguous columns in sources.</span> +</span><span id="Resolver-507"><a href="#Resolver-507"><span class="linenos">507</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table_name</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span><span class="p">:</span> +</span><span id="Resolver-508"><a href="#Resolver-508"><span class="linenos">508</span></a> <span class="n">sources_without_schema</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> +</span><span id="Resolver-509"><a href="#Resolver-509"><span class="linenos">509</span></a> <span class="n">source</span> +</span><span id="Resolver-510"><a href="#Resolver-510"><span class="linenos">510</span></a> <span class="k">for</span> <span class="n">source</span><span class="p">,</span> <span class="n">columns</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="Resolver-511"><a href="#Resolver-511"><span class="linenos">511</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">columns</span> <span class="ow">or</span> <span class="s2">"*"</span> <span class="ow">in</span> <span class="n">columns</span> +</span><span id="Resolver-512"><a href="#Resolver-512"><span class="linenos">512</span></a> <span class="p">)</span> +</span><span id="Resolver-513"><a href="#Resolver-513"><span class="linenos">513</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sources_without_schema</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="Resolver-514"><a href="#Resolver-514"><span class="linenos">514</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">sources_without_schema</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="Resolver-515"><a href="#Resolver-515"><span class="linenos">515</span></a> +</span><span id="Resolver-516"><a href="#Resolver-516"><span class="linenos">516</span></a> <span class="k">if</span> <span class="n">table_name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">:</span> +</span><span id="Resolver-517"><a href="#Resolver-517"><span class="linenos">517</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> </span><span id="Resolver-518"><a href="#Resolver-518"><span class="linenos">518</span></a> -</span><span id="Resolver-519"><a href="#Resolver-519"><span class="linenos">519</span></a><span class="sd"> Args:</span> -</span><span id="Resolver-520"><a href="#Resolver-520"><span class="linenos">520</span></a><span class="sd"> source_columns (dict): Mapping of names to source columns</span> -</span><span id="Resolver-521"><a href="#Resolver-521"><span class="linenos">521</span></a><span class="sd"> Returns:</span> -</span><span id="Resolver-522"><a href="#Resolver-522"><span class="linenos">522</span></a><span class="sd"> dict: Mapping of column name to source name</span> -</span><span id="Resolver-523"><a href="#Resolver-523"><span class="linenos">523</span></a><span class="sd"> """</span> -</span><span id="Resolver-524"><a href="#Resolver-524"><span class="linenos">524</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source_columns</span><span class="p">:</span> -</span><span id="Resolver-525"><a href="#Resolver-525"><span class="linenos">525</span></a> <span class="k">return</span> <span class="p">{}</span> -</span><span id="Resolver-526"><a href="#Resolver-526"><span class="linenos">526</span></a> -</span><span id="Resolver-527"><a href="#Resolver-527"><span class="linenos">527</span></a> <span class="n">source_columns</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">source_columns</span><span class="o">.</span><span class="n">items</span><span class="p">())</span> +</span><span id="Resolver-519"><a href="#Resolver-519"><span class="linenos">519</span></a> <span class="n">node</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> +</span><span id="Resolver-520"><a href="#Resolver-520"><span class="linenos">520</span></a> +</span><span id="Resolver-521"><a href="#Resolver-521"><span class="linenos">521</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">):</span> +</span><span id="Resolver-522"><a href="#Resolver-522"><span class="linenos">522</span></a> <span class="k">while</span> <span class="n">node</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">alias</span> <span class="o">!=</span> <span class="n">table_name</span><span class="p">:</span> +</span><span id="Resolver-523"><a href="#Resolver-523"><span class="linenos">523</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">parent</span> +</span><span id="Resolver-524"><a href="#Resolver-524"><span class="linenos">524</span></a> +</span><span id="Resolver-525"><a href="#Resolver-525"><span class="linenos">525</span></a> <span class="n">node_alias</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span> +</span><span id="Resolver-526"><a href="#Resolver-526"><span class="linenos">526</span></a> <span class="k">if</span> <span class="n">node_alias</span><span class="p">:</span> +</span><span id="Resolver-527"><a href="#Resolver-527"><span class="linenos">527</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">node_alias</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> </span><span id="Resolver-528"><a href="#Resolver-528"><span class="linenos">528</span></a> -</span><span id="Resolver-529"><a href="#Resolver-529"><span class="linenos">529</span></a> <span class="n">first_table</span><span class="p">,</span> <span class="n">first_columns</span> <span class="o">=</span> <span class="n">source_columns</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="Resolver-530"><a href="#Resolver-530"><span class="linenos">530</span></a> <span class="n">unambiguous_columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">col</span><span class="p">:</span> <span class="n">first_table</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_find_unique_columns</span><span class="p">(</span><span class="n">first_columns</span><span class="p">)}</span> -</span><span id="Resolver-531"><a href="#Resolver-531"><span class="linenos">531</span></a> <span class="n">all_columns</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">unambiguous_columns</span><span class="p">)</span> -</span><span id="Resolver-532"><a href="#Resolver-532"><span class="linenos">532</span></a> -</span><span id="Resolver-533"><a href="#Resolver-533"><span class="linenos">533</span></a> <span class="k">for</span> <span class="n">table</span><span class="p">,</span> <span class="n">columns</span> <span class="ow">in</span> <span class="n">source_columns</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> -</span><span id="Resolver-534"><a href="#Resolver-534"><span class="linenos">534</span></a> <span class="n">unique</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_find_unique_columns</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> -</span><span id="Resolver-535"><a href="#Resolver-535"><span class="linenos">535</span></a> <span class="n">ambiguous</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="n">unique</span><span class="p">)</span> -</span><span id="Resolver-536"><a href="#Resolver-536"><span class="linenos">536</span></a> <span class="n">all_columns</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> -</span><span id="Resolver-537"><a href="#Resolver-537"><span class="linenos">537</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">ambiguous</span><span class="p">:</span> -</span><span id="Resolver-538"><a href="#Resolver-538"><span class="linenos">538</span></a> <span class="n">unambiguous_columns</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="Resolver-539"><a href="#Resolver-539"><span class="linenos">539</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">unique</span><span class="o">.</span><span class="n">difference</span><span class="p">(</span><span class="n">ambiguous</span><span class="p">):</span> -</span><span id="Resolver-540"><a href="#Resolver-540"><span class="linenos">540</span></a> <span class="n">unambiguous_columns</span><span class="p">[</span><span class="n">column</span><span class="p">]</span> <span class="o">=</span> <span class="n">table</span> -</span><span id="Resolver-541"><a href="#Resolver-541"><span class="linenos">541</span></a> -</span><span id="Resolver-542"><a href="#Resolver-542"><span class="linenos">542</span></a> <span class="k">return</span> <span class="n">unambiguous_columns</span> -</span><span id="Resolver-543"><a href="#Resolver-543"><span class="linenos">543</span></a> -</span><span id="Resolver-544"><a href="#Resolver-544"><span class="linenos">544</span></a> <span class="nd">@staticmethod</span> -</span><span id="Resolver-545"><a href="#Resolver-545"><span class="linenos">545</span></a> <span class="k">def</span> <span class="nf">_find_unique_columns</span><span class="p">(</span><span class="n">columns</span><span class="p">):</span> -</span><span id="Resolver-546"><a href="#Resolver-546"><span class="linenos">546</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Resolver-547"><a href="#Resolver-547"><span class="linenos">547</span></a><span class="sd"> Find the unique columns in a list of columns.</span> -</span><span id="Resolver-548"><a href="#Resolver-548"><span class="linenos">548</span></a> -</span><span id="Resolver-549"><a href="#Resolver-549"><span class="linenos">549</span></a><span class="sd"> Example:</span> -</span><span id="Resolver-550"><a href="#Resolver-550"><span class="linenos">550</span></a><span class="sd"> >>> sorted(Resolver._find_unique_columns(["a", "b", "b", "c"]))</span> -</span><span id="Resolver-551"><a href="#Resolver-551"><span class="linenos">551</span></a><span class="sd"> ['a', 'c']</span> -</span><span id="Resolver-552"><a href="#Resolver-552"><span class="linenos">552</span></a> -</span><span id="Resolver-553"><a href="#Resolver-553"><span class="linenos">553</span></a><span class="sd"> This is necessary because duplicate column names are ambiguous.</span> -</span><span id="Resolver-554"><a href="#Resolver-554"><span class="linenos">554</span></a><span class="sd"> """</span> -</span><span id="Resolver-555"><a href="#Resolver-555"><span class="linenos">555</span></a> <span class="n">counts</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="Resolver-556"><a href="#Resolver-556"><span class="linenos">556</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">:</span> -</span><span id="Resolver-557"><a href="#Resolver-557"><span class="linenos">557</span></a> <span class="n">counts</span><span class="p">[</span><span class="n">column</span><span class="p">]</span> <span class="o">=</span> <span class="n">counts</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span> -</span><span id="Resolver-558"><a href="#Resolver-558"><span class="linenos">558</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">column</span> <span class="k">for</span> <span class="n">column</span><span class="p">,</span> <span class="n">count</span> <span class="ow">in</span> <span class="n">counts</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="n">count</span> <span class="o">==</span> <span class="mi">1</span><span class="p">}</span> +</span><span id="Resolver-529"><a href="#Resolver-529"><span class="linenos">529</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> +</span><span id="Resolver-530"><a href="#Resolver-530"><span class="linenos">530</span></a> +</span><span id="Resolver-531"><a href="#Resolver-531"><span class="linenos">531</span></a> <span class="nd">@property</span> +</span><span id="Resolver-532"><a href="#Resolver-532"><span class="linenos">532</span></a> <span class="k">def</span> <span class="nf">all_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> +</span><span id="Resolver-533"><a href="#Resolver-533"><span class="linenos">533</span></a><span class="w"> </span><span class="sd">"""All available columns of all sources in this scope"""</span> +</span><span id="Resolver-534"><a href="#Resolver-534"><span class="linenos">534</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Resolver-535"><a href="#Resolver-535"><span class="linenos">535</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Resolver-536"><a href="#Resolver-536"><span class="linenos">536</span></a> <span class="n">column</span> <span class="k">for</span> <span class="n">columns</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span><span class="o">.</span><span class="n">values</span><span class="p">()</span> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">columns</span> +</span><span id="Resolver-537"><a href="#Resolver-537"><span class="linenos">537</span></a> <span class="p">}</span> +</span><span id="Resolver-538"><a href="#Resolver-538"><span class="linenos">538</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> +</span><span id="Resolver-539"><a href="#Resolver-539"><span class="linenos">539</span></a> +</span><span id="Resolver-540"><a href="#Resolver-540"><span class="linenos">540</span></a> <span class="k">def</span> <span class="nf">get_source_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">only_visible</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> +</span><span id="Resolver-541"><a href="#Resolver-541"><span class="linenos">541</span></a><span class="w"> </span><span class="sd">"""Resolve the source columns for a given source `name`"""</span> +</span><span id="Resolver-542"><a href="#Resolver-542"><span class="linenos">542</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> +</span><span id="Resolver-543"><a href="#Resolver-543"><span class="linenos">543</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown table: </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Resolver-544"><a href="#Resolver-544"><span class="linenos">544</span></a> +</span><span id="Resolver-545"><a href="#Resolver-545"><span class="linenos">545</span></a> <span class="n">source</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> +</span><span id="Resolver-546"><a href="#Resolver-546"><span class="linenos">546</span></a> +</span><span id="Resolver-547"><a href="#Resolver-547"><span class="linenos">547</span></a> <span class="c1"># If referencing a table, return the columns from the schema</span> +</span><span id="Resolver-548"><a href="#Resolver-548"><span class="linenos">548</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="Resolver-549"><a href="#Resolver-549"><span class="linenos">549</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">column_names</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">only_visible</span><span class="p">)</span> +</span><span id="Resolver-550"><a href="#Resolver-550"><span class="linenos">550</span></a> +</span><span id="Resolver-551"><a href="#Resolver-551"><span class="linenos">551</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">):</span> +</span><span id="Resolver-552"><a href="#Resolver-552"><span class="linenos">552</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span> +</span><span id="Resolver-553"><a href="#Resolver-553"><span class="linenos">553</span></a> +</span><span id="Resolver-554"><a href="#Resolver-554"><span class="linenos">554</span></a> <span class="c1"># Otherwise, if referencing another scope, return that scope's named selects</span> +</span><span id="Resolver-555"><a href="#Resolver-555"><span class="linenos">555</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">named_selects</span> +</span><span id="Resolver-556"><a href="#Resolver-556"><span class="linenos">556</span></a> +</span><span id="Resolver-557"><a href="#Resolver-557"><span class="linenos">557</span></a> <span class="k">def</span> <span class="nf">_get_all_source_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> +</span><span id="Resolver-558"><a href="#Resolver-558"><span class="linenos">558</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Resolver-559"><a href="#Resolver-559"><span class="linenos">559</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="Resolver-560"><a href="#Resolver-560"><span class="linenos">560</span></a> <span class="n">k</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_source_columns</span><span class="p">(</span><span class="n">k</span><span class="p">)</span> +</span><span id="Resolver-561"><a href="#Resolver-561"><span class="linenos">561</span></a> <span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">lateral_sources</span><span class="p">)</span> +</span><span id="Resolver-562"><a href="#Resolver-562"><span class="linenos">562</span></a> <span class="p">}</span> +</span><span id="Resolver-563"><a href="#Resolver-563"><span class="linenos">563</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> +</span><span id="Resolver-564"><a href="#Resolver-564"><span class="linenos">564</span></a> +</span><span id="Resolver-565"><a href="#Resolver-565"><span class="linenos">565</span></a> <span class="k">def</span> <span class="nf">_get_unambiguous_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">source_columns</span><span class="p">):</span> +</span><span id="Resolver-566"><a href="#Resolver-566"><span class="linenos">566</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Resolver-567"><a href="#Resolver-567"><span class="linenos">567</span></a><span class="sd"> Find all the unambiguous columns in sources.</span> +</span><span id="Resolver-568"><a href="#Resolver-568"><span class="linenos">568</span></a> +</span><span id="Resolver-569"><a href="#Resolver-569"><span class="linenos">569</span></a><span class="sd"> Args:</span> +</span><span id="Resolver-570"><a href="#Resolver-570"><span class="linenos">570</span></a><span class="sd"> source_columns (dict): Mapping of names to source columns</span> +</span><span id="Resolver-571"><a href="#Resolver-571"><span class="linenos">571</span></a><span class="sd"> Returns:</span> +</span><span id="Resolver-572"><a href="#Resolver-572"><span class="linenos">572</span></a><span class="sd"> dict: Mapping of column name to source name</span> +</span><span id="Resolver-573"><a href="#Resolver-573"><span class="linenos">573</span></a><span class="sd"> """</span> +</span><span id="Resolver-574"><a href="#Resolver-574"><span class="linenos">574</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">source_columns</span><span class="p">:</span> +</span><span id="Resolver-575"><a href="#Resolver-575"><span class="linenos">575</span></a> <span class="k">return</span> <span class="p">{}</span> +</span><span id="Resolver-576"><a href="#Resolver-576"><span class="linenos">576</span></a> +</span><span id="Resolver-577"><a href="#Resolver-577"><span class="linenos">577</span></a> <span class="n">source_columns</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">source_columns</span><span class="o">.</span><span class="n">items</span><span class="p">())</span> +</span><span id="Resolver-578"><a href="#Resolver-578"><span class="linenos">578</span></a> +</span><span id="Resolver-579"><a href="#Resolver-579"><span class="linenos">579</span></a> <span class="n">first_table</span><span class="p">,</span> <span class="n">first_columns</span> <span class="o">=</span> <span class="n">source_columns</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="Resolver-580"><a href="#Resolver-580"><span class="linenos">580</span></a> <span class="n">unambiguous_columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">col</span><span class="p">:</span> <span class="n">first_table</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_find_unique_columns</span><span class="p">(</span><span class="n">first_columns</span><span class="p">)}</span> +</span><span id="Resolver-581"><a href="#Resolver-581"><span class="linenos">581</span></a> <span class="n">all_columns</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">unambiguous_columns</span><span class="p">)</span> +</span><span id="Resolver-582"><a href="#Resolver-582"><span class="linenos">582</span></a> +</span><span id="Resolver-583"><a href="#Resolver-583"><span class="linenos">583</span></a> <span class="k">for</span> <span class="n">table</span><span class="p">,</span> <span class="n">columns</span> <span class="ow">in</span> <span class="n">source_columns</span><span class="p">[</span><span class="mi">1</span><span class="p">:]:</span> +</span><span id="Resolver-584"><a href="#Resolver-584"><span class="linenos">584</span></a> <span class="n">unique</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_find_unique_columns</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> +</span><span id="Resolver-585"><a href="#Resolver-585"><span class="linenos">585</span></a> <span class="n">ambiguous</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">all_columns</span><span class="p">)</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="n">unique</span><span class="p">)</span> +</span><span id="Resolver-586"><a href="#Resolver-586"><span class="linenos">586</span></a> <span class="n">all_columns</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">columns</span><span class="p">)</span> +</span><span id="Resolver-587"><a href="#Resolver-587"><span class="linenos">587</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">ambiguous</span><span class="p">:</span> +</span><span id="Resolver-588"><a href="#Resolver-588"><span class="linenos">588</span></a> <span class="n">unambiguous_columns</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="Resolver-589"><a href="#Resolver-589"><span class="linenos">589</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">unique</span><span class="o">.</span><span class="n">difference</span><span class="p">(</span><span class="n">ambiguous</span><span class="p">):</span> +</span><span id="Resolver-590"><a href="#Resolver-590"><span class="linenos">590</span></a> <span class="n">unambiguous_columns</span><span class="p">[</span><span class="n">column</span><span class="p">]</span> <span class="o">=</span> <span class="n">table</span> +</span><span id="Resolver-591"><a href="#Resolver-591"><span class="linenos">591</span></a> +</span><span id="Resolver-592"><a href="#Resolver-592"><span class="linenos">592</span></a> <span class="k">return</span> <span class="n">unambiguous_columns</span> +</span><span id="Resolver-593"><a href="#Resolver-593"><span class="linenos">593</span></a> +</span><span id="Resolver-594"><a href="#Resolver-594"><span class="linenos">594</span></a> <span class="nd">@staticmethod</span> +</span><span id="Resolver-595"><a href="#Resolver-595"><span class="linenos">595</span></a> <span class="k">def</span> <span class="nf">_find_unique_columns</span><span class="p">(</span><span class="n">columns</span><span class="p">):</span> +</span><span id="Resolver-596"><a href="#Resolver-596"><span class="linenos">596</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Resolver-597"><a href="#Resolver-597"><span class="linenos">597</span></a><span class="sd"> Find the unique columns in a list of columns.</span> +</span><span id="Resolver-598"><a href="#Resolver-598"><span class="linenos">598</span></a> +</span><span id="Resolver-599"><a href="#Resolver-599"><span class="linenos">599</span></a><span class="sd"> Example:</span> +</span><span id="Resolver-600"><a href="#Resolver-600"><span class="linenos">600</span></a><span class="sd"> >>> sorted(Resolver._find_unique_columns(["a", "b", "b", "c"]))</span> +</span><span id="Resolver-601"><a href="#Resolver-601"><span class="linenos">601</span></a><span class="sd"> ['a', 'c']</span> +</span><span id="Resolver-602"><a href="#Resolver-602"><span class="linenos">602</span></a> +</span><span id="Resolver-603"><a href="#Resolver-603"><span class="linenos">603</span></a><span class="sd"> This is necessary because duplicate column names are ambiguous.</span> +</span><span id="Resolver-604"><a href="#Resolver-604"><span class="linenos">604</span></a><span class="sd"> """</span> +</span><span id="Resolver-605"><a href="#Resolver-605"><span class="linenos">605</span></a> <span class="n">counts</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="Resolver-606"><a href="#Resolver-606"><span class="linenos">606</span></a> <span class="k">for</span> <span class="n">column</span> <span class="ow">in</span> <span class="n">columns</span><span class="p">:</span> +</span><span id="Resolver-607"><a href="#Resolver-607"><span class="linenos">607</span></a> <span class="n">counts</span><span class="p">[</span><span class="n">column</span><span class="p">]</span> <span class="o">=</span> <span class="n">counts</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span> +</span><span id="Resolver-608"><a href="#Resolver-608"><span class="linenos">608</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">column</span> <span class="k">for</span> <span class="n">column</span><span class="p">,</span> <span class="n">count</span> <span class="ow">in</span> <span class="n">counts</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="n">count</span> <span class="o">==</span> <span class="mi">1</span><span class="p">}</span> </span></pre></div> @@ -957,19 +1007,19 @@ <input id="Resolver.__init__-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1"> <div class="attr function"> - <span class="name">Resolver</span><span class="signature pdoc-code condensed">(<span class="param"><span class="n">scope</span>, </span><span class="param"><span class="n">schema</span>, </span><span class="param"><span class="n">infer_schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span></span>)</span> + <span class="name">Resolver</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">scope</span><span class="p">:</span> <span class="n"><a href="scope.html#Scope">sqlglot.optimizer.scope.Scope</a></span>,</span><span class="param"> <span class="n">schema</span><span class="p">:</span> <span class="n"><a href="../schema.html#Schema">sqlglot.schema.Schema</a></span>,</span><span class="param"> <span class="n">infer_schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span></span>)</span> <label class="view-source-button" for="Resolver.__init__-view-source"><span>View Source</span></label> </div> <a class="headerlink" href="#Resolver.__init__"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Resolver.__init__-433"><a href="#Resolver.__init__-433"><span class="linenos">433</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">scope</span><span class="p">,</span> <span class="n">schema</span><span class="p">,</span> <span class="n">infer_schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">):</span> -</span><span id="Resolver.__init__-434"><a href="#Resolver.__init__-434"><span class="linenos">434</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span> <span class="o">=</span> <span class="n">scope</span> -</span><span id="Resolver.__init__-435"><a href="#Resolver.__init__-435"><span class="linenos">435</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> -</span><span id="Resolver.__init__-436"><a href="#Resolver.__init__-436"><span class="linenos">436</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Resolver.__init__-437"><a href="#Resolver.__init__-437"><span class="linenos">437</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Resolver.__init__-438"><a href="#Resolver.__init__-438"><span class="linenos">438</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="Resolver.__init__-439"><a href="#Resolver.__init__-439"><span class="linenos">439</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span> <span class="o">=</span> <span class="n">infer_schema</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Resolver.__init__-483"><a href="#Resolver.__init__-483"><span class="linenos">483</span></a> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">scope</span><span class="p">:</span> <span class="n">Scope</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span><span class="p">,</span> <span class="n">infer_schema</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">):</span> +</span><span id="Resolver.__init__-484"><a href="#Resolver.__init__-484"><span class="linenos">484</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span> <span class="o">=</span> <span class="n">scope</span> +</span><span id="Resolver.__init__-485"><a href="#Resolver.__init__-485"><span class="linenos">485</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span> <span class="o">=</span> <span class="n">schema</span> +</span><span id="Resolver.__init__-486"><a href="#Resolver.__init__-486"><span class="linenos">486</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_source_columns</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Resolver.__init__-487"><a href="#Resolver.__init__-487"><span class="linenos">487</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Resolver.__init__-488"><a href="#Resolver.__init__-488"><span class="linenos">488</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_all_columns</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="Resolver.__init__-489"><a href="#Resolver.__init__-489"><span class="linenos">489</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span> <span class="o">=</span> <span class="n">infer_schema</span> </span></pre></div> @@ -1009,45 +1059,45 @@ </div> <a class="headerlink" href="#Resolver.get_table"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Resolver.get_table-441"><a href="#Resolver.get_table-441"><span class="linenos">441</span></a> <span class="k">def</span> <span class="nf">get_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">column_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">]:</span> -</span><span id="Resolver.get_table-442"><a href="#Resolver.get_table-442"><span class="linenos">442</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="Resolver.get_table-443"><a href="#Resolver.get_table-443"><span class="linenos">443</span></a><span class="sd"> Get the table for a column name.</span> -</span><span id="Resolver.get_table-444"><a href="#Resolver.get_table-444"><span class="linenos">444</span></a> -</span><span id="Resolver.get_table-445"><a href="#Resolver.get_table-445"><span class="linenos">445</span></a><span class="sd"> Args:</span> -</span><span id="Resolver.get_table-446"><a href="#Resolver.get_table-446"><span class="linenos">446</span></a><span class="sd"> column_name: The column name to find the table for.</span> -</span><span id="Resolver.get_table-447"><a href="#Resolver.get_table-447"><span class="linenos">447</span></a><span class="sd"> Returns:</span> -</span><span id="Resolver.get_table-448"><a href="#Resolver.get_table-448"><span class="linenos">448</span></a><span class="sd"> The table name if it can be found/inferred.</span> -</span><span id="Resolver.get_table-449"><a href="#Resolver.get_table-449"><span class="linenos">449</span></a><span class="sd"> """</span> -</span><span id="Resolver.get_table-450"><a href="#Resolver.get_table-450"><span class="linenos">450</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="Resolver.get_table-451"><a href="#Resolver.get_table-451"><span class="linenos">451</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_unambiguous_columns</span><span class="p">(</span> -</span><span id="Resolver.get_table-452"><a href="#Resolver.get_table-452"><span class="linenos">452</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span> -</span><span id="Resolver.get_table-453"><a href="#Resolver.get_table-453"><span class="linenos">453</span></a> <span class="p">)</span> -</span><span id="Resolver.get_table-454"><a href="#Resolver.get_table-454"><span class="linenos">454</span></a> -</span><span id="Resolver.get_table-455"><a href="#Resolver.get_table-455"><span class="linenos">455</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">column_name</span><span class="p">)</span> -</span><span id="Resolver.get_table-456"><a href="#Resolver.get_table-456"><span class="linenos">456</span></a> -</span><span id="Resolver.get_table-457"><a href="#Resolver.get_table-457"><span class="linenos">457</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table_name</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span><span class="p">:</span> -</span><span id="Resolver.get_table-458"><a href="#Resolver.get_table-458"><span class="linenos">458</span></a> <span class="n">sources_without_schema</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> -</span><span id="Resolver.get_table-459"><a href="#Resolver.get_table-459"><span class="linenos">459</span></a> <span class="n">source</span> -</span><span id="Resolver.get_table-460"><a href="#Resolver.get_table-460"><span class="linenos">460</span></a> <span class="k">for</span> <span class="n">source</span><span class="p">,</span> <span class="n">columns</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="Resolver.get_table-461"><a href="#Resolver.get_table-461"><span class="linenos">461</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">columns</span> <span class="ow">or</span> <span class="s2">"*"</span> <span class="ow">in</span> <span class="n">columns</span> -</span><span id="Resolver.get_table-462"><a href="#Resolver.get_table-462"><span class="linenos">462</span></a> <span class="p">)</span> -</span><span id="Resolver.get_table-463"><a href="#Resolver.get_table-463"><span class="linenos">463</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sources_without_schema</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="Resolver.get_table-464"><a href="#Resolver.get_table-464"><span class="linenos">464</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">sources_without_schema</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> -</span><span id="Resolver.get_table-465"><a href="#Resolver.get_table-465"><span class="linenos">465</span></a> -</span><span id="Resolver.get_table-466"><a href="#Resolver.get_table-466"><span class="linenos">466</span></a> <span class="k">if</span> <span class="n">table_name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">:</span> -</span><span id="Resolver.get_table-467"><a href="#Resolver.get_table-467"><span class="linenos">467</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> -</span><span id="Resolver.get_table-468"><a href="#Resolver.get_table-468"><span class="linenos">468</span></a> -</span><span id="Resolver.get_table-469"><a href="#Resolver.get_table-469"><span class="linenos">469</span></a> <span class="n">node</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> -</span><span id="Resolver.get_table-470"><a href="#Resolver.get_table-470"><span class="linenos">470</span></a> -</span><span id="Resolver.get_table-471"><a href="#Resolver.get_table-471"><span class="linenos">471</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">):</span> -</span><span id="Resolver.get_table-472"><a href="#Resolver.get_table-472"><span class="linenos">472</span></a> <span class="k">while</span> <span class="n">node</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">alias</span> <span class="o">!=</span> <span class="n">table_name</span><span class="p">:</span> -</span><span id="Resolver.get_table-473"><a href="#Resolver.get_table-473"><span class="linenos">473</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">parent</span> -</span><span id="Resolver.get_table-474"><a href="#Resolver.get_table-474"><span class="linenos">474</span></a> -</span><span id="Resolver.get_table-475"><a href="#Resolver.get_table-475"><span class="linenos">475</span></a> <span class="n">node_alias</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span> -</span><span id="Resolver.get_table-476"><a href="#Resolver.get_table-476"><span class="linenos">476</span></a> <span class="k">if</span> <span class="n">node_alias</span><span class="p">:</span> -</span><span id="Resolver.get_table-477"><a href="#Resolver.get_table-477"><span class="linenos">477</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">node_alias</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> -</span><span id="Resolver.get_table-478"><a href="#Resolver.get_table-478"><span class="linenos">478</span></a> -</span><span id="Resolver.get_table-479"><a href="#Resolver.get_table-479"><span class="linenos">479</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Resolver.get_table-491"><a href="#Resolver.get_table-491"><span class="linenos">491</span></a> <span class="k">def</span> <span class="nf">get_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">column_name</span><span class="p">:</span> <span class="nb">str</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">]:</span> +</span><span id="Resolver.get_table-492"><a href="#Resolver.get_table-492"><span class="linenos">492</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="Resolver.get_table-493"><a href="#Resolver.get_table-493"><span class="linenos">493</span></a><span class="sd"> Get the table for a column name.</span> +</span><span id="Resolver.get_table-494"><a href="#Resolver.get_table-494"><span class="linenos">494</span></a> +</span><span id="Resolver.get_table-495"><a href="#Resolver.get_table-495"><span class="linenos">495</span></a><span class="sd"> Args:</span> +</span><span id="Resolver.get_table-496"><a href="#Resolver.get_table-496"><span class="linenos">496</span></a><span class="sd"> column_name: The column name to find the table for.</span> +</span><span id="Resolver.get_table-497"><a href="#Resolver.get_table-497"><span class="linenos">497</span></a><span class="sd"> Returns:</span> +</span><span id="Resolver.get_table-498"><a href="#Resolver.get_table-498"><span class="linenos">498</span></a><span class="sd"> The table name if it can be found/inferred.</span> +</span><span id="Resolver.get_table-499"><a href="#Resolver.get_table-499"><span class="linenos">499</span></a><span class="sd"> """</span> +</span><span id="Resolver.get_table-500"><a href="#Resolver.get_table-500"><span class="linenos">500</span></a> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="Resolver.get_table-501"><a href="#Resolver.get_table-501"><span class="linenos">501</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_unambiguous_columns</span><span class="p">(</span> +</span><span id="Resolver.get_table-502"><a href="#Resolver.get_table-502"><span class="linenos">502</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span> +</span><span id="Resolver.get_table-503"><a href="#Resolver.get_table-503"><span class="linenos">503</span></a> <span class="p">)</span> +</span><span id="Resolver.get_table-504"><a href="#Resolver.get_table-504"><span class="linenos">504</span></a> +</span><span id="Resolver.get_table-505"><a href="#Resolver.get_table-505"><span class="linenos">505</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_unambiguous_columns</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">column_name</span><span class="p">)</span> +</span><span id="Resolver.get_table-506"><a href="#Resolver.get_table-506"><span class="linenos">506</span></a> +</span><span id="Resolver.get_table-507"><a href="#Resolver.get_table-507"><span class="linenos">507</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">table_name</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">_infer_schema</span><span class="p">:</span> +</span><span id="Resolver.get_table-508"><a href="#Resolver.get_table-508"><span class="linenos">508</span></a> <span class="n">sources_without_schema</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span> +</span><span id="Resolver.get_table-509"><a href="#Resolver.get_table-509"><span class="linenos">509</span></a> <span class="n">source</span> +</span><span id="Resolver.get_table-510"><a href="#Resolver.get_table-510"><span class="linenos">510</span></a> <span class="k">for</span> <span class="n">source</span><span class="p">,</span> <span class="n">columns</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get_all_source_columns</span><span class="p">()</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="Resolver.get_table-511"><a href="#Resolver.get_table-511"><span class="linenos">511</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">columns</span> <span class="ow">or</span> <span class="s2">"*"</span> <span class="ow">in</span> <span class="n">columns</span> +</span><span id="Resolver.get_table-512"><a href="#Resolver.get_table-512"><span class="linenos">512</span></a> <span class="p">)</span> +</span><span id="Resolver.get_table-513"><a href="#Resolver.get_table-513"><span class="linenos">513</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">sources_without_schema</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="Resolver.get_table-514"><a href="#Resolver.get_table-514"><span class="linenos">514</span></a> <span class="n">table_name</span> <span class="o">=</span> <span class="n">sources_without_schema</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> +</span><span id="Resolver.get_table-515"><a href="#Resolver.get_table-515"><span class="linenos">515</span></a> +</span><span id="Resolver.get_table-516"><a href="#Resolver.get_table-516"><span class="linenos">516</span></a> <span class="k">if</span> <span class="n">table_name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="p">:</span> +</span><span id="Resolver.get_table-517"><a href="#Resolver.get_table-517"><span class="linenos">517</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> +</span><span id="Resolver.get_table-518"><a href="#Resolver.get_table-518"><span class="linenos">518</span></a> +</span><span id="Resolver.get_table-519"><a href="#Resolver.get_table-519"><span class="linenos">519</span></a> <span class="n">node</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">selected_sources</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> +</span><span id="Resolver.get_table-520"><a href="#Resolver.get_table-520"><span class="linenos">520</span></a> +</span><span id="Resolver.get_table-521"><a href="#Resolver.get_table-521"><span class="linenos">521</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Subqueryable</span><span class="p">):</span> +</span><span id="Resolver.get_table-522"><a href="#Resolver.get_table-522"><span class="linenos">522</span></a> <span class="k">while</span> <span class="n">node</span> <span class="ow">and</span> <span class="n">node</span><span class="o">.</span><span class="n">alias</span> <span class="o">!=</span> <span class="n">table_name</span><span class="p">:</span> +</span><span id="Resolver.get_table-523"><a href="#Resolver.get_table-523"><span class="linenos">523</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">parent</span> +</span><span id="Resolver.get_table-524"><a href="#Resolver.get_table-524"><span class="linenos">524</span></a> +</span><span id="Resolver.get_table-525"><a href="#Resolver.get_table-525"><span class="linenos">525</span></a> <span class="n">node_alias</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"alias"</span><span class="p">)</span> +</span><span id="Resolver.get_table-526"><a href="#Resolver.get_table-526"><span class="linenos">526</span></a> <span class="k">if</span> <span class="n">node_alias</span><span class="p">:</span> +</span><span id="Resolver.get_table-527"><a href="#Resolver.get_table-527"><span class="linenos">527</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">node_alias</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="Resolver.get_table-528"><a href="#Resolver.get_table-528"><span class="linenos">528</span></a> +</span><span id="Resolver.get_table-529"><a href="#Resolver.get_table-529"><span class="linenos">529</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="n">table_name</span><span class="p">)</span> </span></pre></div> @@ -1092,22 +1142,22 @@ </div> <a class="headerlink" href="#Resolver.get_source_columns"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="Resolver.get_source_columns-490"><a href="#Resolver.get_source_columns-490"><span class="linenos">490</span></a> <span class="k">def</span> <span class="nf">get_source_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">only_visible</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> -</span><span id="Resolver.get_source_columns-491"><a href="#Resolver.get_source_columns-491"><span class="linenos">491</span></a><span class="w"> </span><span class="sd">"""Resolve the source columns for a given source `name`"""</span> -</span><span id="Resolver.get_source_columns-492"><a href="#Resolver.get_source_columns-492"><span class="linenos">492</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> -</span><span id="Resolver.get_source_columns-493"><a href="#Resolver.get_source_columns-493"><span class="linenos">493</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown table: </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="Resolver.get_source_columns-494"><a href="#Resolver.get_source_columns-494"><span class="linenos">494</span></a> -</span><span id="Resolver.get_source_columns-495"><a href="#Resolver.get_source_columns-495"><span class="linenos">495</span></a> <span class="n">source</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> -</span><span id="Resolver.get_source_columns-496"><a href="#Resolver.get_source_columns-496"><span class="linenos">496</span></a> -</span><span id="Resolver.get_source_columns-497"><a href="#Resolver.get_source_columns-497"><span class="linenos">497</span></a> <span class="c1"># If referencing a table, return the columns from the schema</span> -</span><span id="Resolver.get_source_columns-498"><a href="#Resolver.get_source_columns-498"><span class="linenos">498</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> -</span><span id="Resolver.get_source_columns-499"><a href="#Resolver.get_source_columns-499"><span class="linenos">499</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">column_names</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">only_visible</span><span class="p">)</span> -</span><span id="Resolver.get_source_columns-500"><a href="#Resolver.get_source_columns-500"><span class="linenos">500</span></a> -</span><span id="Resolver.get_source_columns-501"><a href="#Resolver.get_source_columns-501"><span class="linenos">501</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">):</span> -</span><span id="Resolver.get_source_columns-502"><a href="#Resolver.get_source_columns-502"><span class="linenos">502</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span> -</span><span id="Resolver.get_source_columns-503"><a href="#Resolver.get_source_columns-503"><span class="linenos">503</span></a> -</span><span id="Resolver.get_source_columns-504"><a href="#Resolver.get_source_columns-504"><span class="linenos">504</span></a> <span class="c1"># Otherwise, if referencing another scope, return that scope's named selects</span> -</span><span id="Resolver.get_source_columns-505"><a href="#Resolver.get_source_columns-505"><span class="linenos">505</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">named_selects</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="Resolver.get_source_columns-540"><a href="#Resolver.get_source_columns-540"><span class="linenos">540</span></a> <span class="k">def</span> <span class="nf">get_source_columns</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">only_visible</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> +</span><span id="Resolver.get_source_columns-541"><a href="#Resolver.get_source_columns-541"><span class="linenos">541</span></a><span class="w"> </span><span class="sd">"""Resolve the source columns for a given source `name`"""</span> +</span><span id="Resolver.get_source_columns-542"><a href="#Resolver.get_source_columns-542"><span class="linenos">542</span></a> <span class="k">if</span> <span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">:</span> +</span><span id="Resolver.get_source_columns-543"><a href="#Resolver.get_source_columns-543"><span class="linenos">543</span></a> <span class="k">raise</span> <span class="n">OptimizeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown table: </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="Resolver.get_source_columns-544"><a href="#Resolver.get_source_columns-544"><span class="linenos">544</span></a> +</span><span id="Resolver.get_source_columns-545"><a href="#Resolver.get_source_columns-545"><span class="linenos">545</span></a> <span class="n">source</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">scope</span><span class="o">.</span><span class="n">sources</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> +</span><span id="Resolver.get_source_columns-546"><a href="#Resolver.get_source_columns-546"><span class="linenos">546</span></a> +</span><span id="Resolver.get_source_columns-547"><a href="#Resolver.get_source_columns-547"><span class="linenos">547</span></a> <span class="c1"># If referencing a table, return the columns from the schema</span> +</span><span id="Resolver.get_source_columns-548"><a href="#Resolver.get_source_columns-548"><span class="linenos">548</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">):</span> +</span><span id="Resolver.get_source_columns-549"><a href="#Resolver.get_source_columns-549"><span class="linenos">549</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">schema</span><span class="o">.</span><span class="n">column_names</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">only_visible</span><span class="p">)</span> +</span><span id="Resolver.get_source_columns-550"><a href="#Resolver.get_source_columns-550"><span class="linenos">550</span></a> +</span><span id="Resolver.get_source_columns-551"><a href="#Resolver.get_source_columns-551"><span class="linenos">551</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="p">,</span> <span class="n">Scope</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Values</span><span class="p">):</span> +</span><span id="Resolver.get_source_columns-552"><a href="#Resolver.get_source_columns-552"><span class="linenos">552</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">alias_column_names</span> +</span><span id="Resolver.get_source_columns-553"><a href="#Resolver.get_source_columns-553"><span class="linenos">553</span></a> +</span><span id="Resolver.get_source_columns-554"><a href="#Resolver.get_source_columns-554"><span class="linenos">554</span></a> <span class="c1"># Otherwise, if referencing another scope, return that scope's named selects</span> +</span><span id="Resolver.get_source_columns-555"><a href="#Resolver.get_source_columns-555"><span class="linenos">555</span></a> <span class="k">return</span> <span class="n">source</span><span class="o">.</span><span class="n">expression</span><span class="o">.</span><span class="n">named_selects</span> </span></pre></div> diff --git a/docs/sqlglot/optimizer/simplify.html b/docs/sqlglot/optimizer/simplify.html index bc0a017..2ce8c9b 100644 --- a/docs/sqlglot/optimizer/simplify.html +++ b/docs/sqlglot/optimizer/simplify.html @@ -155,497 +155,499 @@ </span><span id="L-28"><a href="#L-28"><span class="linenos"> 28</span></a> <span class="n">generate</span> <span class="o">=</span> <span class="n">cached_generator</span><span class="p">()</span> </span><span id="L-29"><a href="#L-29"><span class="linenos"> 29</span></a> </span><span id="L-30"><a href="#L-30"><span class="linenos"> 30</span></a> <span class="k">def</span> <span class="nf">_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">expression</span> -</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">rewrite_between</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> -</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">uniq_sort</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">generate</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">absorb_and_eliminate</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">replace_children</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="k">lambda</span> <span class="n">e</span><span class="p">:</span> <span class="n">_simplify</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="kc">False</span><span class="p">))</span> -</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_not</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> -</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">flatten</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> -</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_connectors</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">remove_compliments</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="n">node</span><span class="o">.</span><span class="n">parent</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span> -</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_literals</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_parens</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> -</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="k">if</span> <span class="n">root</span><span class="p">:</span> -</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> -</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="k">return</span> <span class="n">node</span> -</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> -</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">while_changing</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify</span><span class="p">)</span> -</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> <span class="n">remove_where_true</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> -</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> -</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a><span class="k">def</span> <span class="nf">rewrite_between</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a><span class="w"> </span><span class="sd">"""Rewrite x between y and z to x >= y AND x <= z.</span> -</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a> -</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a><span class="sd"> This is done because comparison simplification is only done on lt/lte/gt/gte.</span> -</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a><span class="sd"> """</span> -</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">):</span> -</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span> -</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"low"</span><span class="p">]),</span> -</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"high"</span><span class="p">]),</span> -</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> -</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="p">)</span> -</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> -</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> -</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a><span class="k">def</span> <span class="nf">simplify_not</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a><span class="sd"> Demorgan's Law</span> -</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a><span class="sd"> NOT (x OR y) -> NOT x AND NOT y</span> -</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a><span class="sd"> NOT (x AND y) -> NOT x OR NOT y</span> -</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a><span class="sd"> """</span> -</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span> -</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> -</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> -</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> -</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span> -</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">):</span> -</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span><span class="p">(</span> -</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> -</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> -</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> -</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="p">)</span> -</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">):</span> -</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span> -</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> -</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> -</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> -</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="p">)</span> -</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> -</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> -</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> -</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> -</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> -</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span> -</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="c1"># double negation</span> -</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="c1"># NOT NOT x -> x</span> -</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> -</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> -</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a><span class="k">def</span> <span class="nf">flatten</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a><span class="sd"> A AND (B AND C) -> A AND B AND C</span> -</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a><span class="sd"> A OR (B OR C) -> A OR B OR C</span> -</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a><span class="sd"> """</span> -</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> -</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> -</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="n">child</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span> -</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">child</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">):</span> -</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">node</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">child</span><span class="p">)</span> -</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> -</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> -</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a><span class="k">def</span> <span class="nf">simplify_connectors</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> <span class="k">def</span> <span class="nf">_simplify_connectors</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">):</span> -</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a> <span class="k">if</span> <span class="n">left</span> <span class="o">==</span> <span class="n">right</span><span class="p">:</span> -</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="k">return</span> <span class="n">left</span> -</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">):</span> -</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> -</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> -</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> -</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">):</span> -</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="k">return</span> <span class="n">right</span> -</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">return</span> <span class="n">left</span> -</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="n">_simplify_comparison</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">)</span> -</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">):</span> -</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> -</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> -</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="p">(</span><span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> -</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> -</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> -</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="p">):</span> -</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> -</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">):</span> -</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="k">return</span> <span class="n">right</span> -</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="k">return</span> <span class="n">left</span> -</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="k">return</span> <span class="n">_simplify_comparison</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">,</span> <span class="n">or_</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> -</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> -</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> -</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> <span class="k">return</span> <span class="n">_flat_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify_connectors</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> -</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> -</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a><span class="n">LT_LTE</span> <span class="o">=</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">)</span> -</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a><span class="n">GT_GTE</span> <span class="o">=</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">)</span> -</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a> -</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a><span class="n">COMPARISONS</span> <span class="o">=</span> <span class="p">(</span> -</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> <span class="o">*</span><span class="n">LT_LTE</span><span class="p">,</span> -</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a> <span class="o">*</span><span class="n">GT_GTE</span><span class="p">,</span> -</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">,</span> -</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">,</span> -</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a><span class="p">)</span> -</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> -</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a><span class="n">INVERSE_COMPARISONS</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">,</span> -</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">,</span> -</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">,</span> -</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">,</span> -</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a><span class="p">}</span> -</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> -</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a> -</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a><span class="k">def</span> <span class="nf">_simplify_comparison</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">,</span> <span class="n">or_</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> -</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">left</span><span class="p">,</span> <span class="n">COMPARISONS</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">right</span><span class="p">,</span> <span class="n">COMPARISONS</span><span class="p">):</span> -</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a> <span class="n">ll</span><span class="p">,</span> <span class="n">lr</span> <span class="o">=</span> <span class="n">left</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">()</span> -</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="n">rl</span><span class="p">,</span> <span class="n">rr</span> <span class="o">=</span> <span class="n">right</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">()</span> -</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> -</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">largs</span> <span class="o">=</span> <span class="p">{</span><span class="n">ll</span><span class="p">,</span> <span class="n">lr</span><span class="p">}</span> -</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> <span class="n">rargs</span> <span class="o">=</span> <span class="p">{</span><span class="n">rl</span><span class="p">,</span> <span class="n">rr</span><span class="p">}</span> -</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> -</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="n">matching</span> <span class="o">=</span> <span class="n">largs</span> <span class="o">&</span> <span class="n">rargs</span> -</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">m</span> <span class="k">for</span> <span class="n">m</span> <span class="ow">in</span> <span class="n">matching</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">m</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)}</span> -</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> -</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="k">if</span> <span class="n">matching</span> <span class="ow">and</span> <span class="n">columns</span><span class="p">:</span> -</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="n">l</span> <span class="o">=</span> <span class="n">first</span><span class="p">(</span><span class="n">largs</span> <span class="o">-</span> <span class="n">columns</span><span class="p">)</span> -</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="n">r</span> <span class="o">=</span> <span class="n">first</span><span class="p">(</span><span class="n">rargs</span> <span class="o">-</span> <span class="n">columns</span><span class="p">)</span> -</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="k">except</span> <span class="ne">StopIteration</span><span class="p">:</span> -</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> -</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="c1"># make sure the comparison is always of the form x > 1 instead of 1 < x</span> -</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> <span class="k">if</span> <span class="n">left</span><span class="o">.</span><span class="vm">__class__</span> <span class="ow">in</span> <span class="n">INVERSE_COMPARISONS</span> <span class="ow">and</span> <span class="n">l</span> <span class="o">==</span> <span class="n">ll</span><span class="p">:</span> -</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">INVERSE_COMPARISONS</span><span class="p">[</span><span class="n">left</span><span class="o">.</span><span class="vm">__class__</span><span class="p">](</span><span class="n">this</span><span class="o">=</span><span class="n">lr</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">ll</span><span class="p">)</span> -</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="k">if</span> <span class="n">right</span><span class="o">.</span><span class="vm">__class__</span> <span class="ow">in</span> <span class="n">INVERSE_COMPARISONS</span> <span class="ow">and</span> <span class="n">r</span> <span class="o">==</span> <span class="n">rl</span><span class="p">:</span> -</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">INVERSE_COMPARISONS</span><span class="p">[</span><span class="n">right</span><span class="o">.</span><span class="vm">__class__</span><span class="p">](</span><span class="n">this</span><span class="o">=</span><span class="n">rr</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">rl</span><span class="p">)</span> -</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> -</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="k">if</span> <span class="n">l</span><span class="o">.</span><span class="n">is_number</span> <span class="ow">and</span> <span class="n">r</span><span class="o">.</span><span class="n">is_number</span><span class="p">:</span> -</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> <span class="n">l</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">l</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="n">r</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="k">elif</span> <span class="n">l</span><span class="o">.</span><span class="n">is_string</span> <span class="ow">and</span> <span class="n">r</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> -</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">l</span> <span class="o">=</span> <span class="n">l</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="n">r</span> <span class="o">=</span> <span class="n">r</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> -</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="k">for</span> <span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">av</span><span class="p">),</span> <span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">bv</span><span class="p">)</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">(((</span><span class="n">left</span><span class="p">,</span> <span class="n">l</span><span class="p">),</span> <span class="p">(</span><span class="n">right</span><span class="p">,</span> <span class="n">r</span><span class="p">))):</span> -</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">LT_LTE</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">LT_LTE</span><span class="p">):</span> -</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="k">return</span> <span class="n">left</span> <span class="k">if</span> <span class="p">(</span><span class="n">av</span> <span class="o">></span> <span class="n">bv</span> <span class="k">if</span> <span class="n">or_</span> <span class="k">else</span> <span class="n">av</span> <span class="o"><=</span> <span class="n">bv</span><span class="p">)</span> <span class="k">else</span> <span class="n">right</span> -</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">GT_GTE</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">GT_GTE</span><span class="p">):</span> -</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="k">return</span> <span class="n">left</span> <span class="k">if</span> <span class="p">(</span><span class="n">av</span> <span class="o"><</span> <span class="n">bv</span> <span class="k">if</span> <span class="n">or_</span> <span class="k">else</span> <span class="n">av</span> <span class="o">>=</span> <span class="n">bv</span><span class="p">)</span> <span class="k">else</span> <span class="n">right</span> -</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> -</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="c1"># we can't ever shortcut to true because the column could be null</span> -</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">or_</span><span class="p">:</span> -</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">GT_GTE</span><span class="p">):</span> -</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="k">if</span> <span class="n">av</span> <span class="o"><=</span> <span class="n">bv</span><span class="p">:</span> -</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> -</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">LT_LTE</span><span class="p">):</span> -</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="k">if</span> <span class="n">av</span> <span class="o">>=</span> <span class="n">bv</span><span class="p">:</span> -</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> -</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span> -</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">):</span> -</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">av</span> <span class="o">>=</span> <span class="n">bv</span> <span class="k">else</span> <span class="n">a</span> -</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">):</span> -</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">av</span> <span class="o">></span> <span class="n">bv</span> <span class="k">else</span> <span class="n">a</span> -</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">):</span> -</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">av</span> <span class="o"><=</span> <span class="n">bv</span> <span class="k">else</span> <span class="n">a</span> -</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">):</span> -</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">av</span> <span class="o"><</span> <span class="n">bv</span> <span class="k">else</span> <span class="n">a</span> -</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">):</span> -</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">av</span> <span class="o">==</span> <span class="n">bv</span> <span class="k">else</span> <span class="n">a</span> -</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> -</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> -</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a><span class="k">def</span> <span class="nf">remove_compliments</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a><span class="sd"> Removing compliments.</span> -</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> -</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a><span class="sd"> A AND NOT A -> FALSE</span> -</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a><span class="sd"> A OR NOT A -> TRUE</span> -</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a><span class="sd"> """</span> -</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> -</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="n">compliment</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> -</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> -</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">(),</span> <span class="mi">2</span><span class="p">):</span> -</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="k">if</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> -</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="k">return</span> <span class="n">compliment</span> -</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> -</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> -</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a><span class="k">def</span> <span class="nf">uniq_sort</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">generate</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a><span class="sd"> Uniq and sort a connector.</span> -</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> -</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a><span class="sd"> C AND A AND B AND B -> A AND B AND C</span> -</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a><span class="sd"> """</span> -</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> -</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="n">result_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span> -</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">flattened</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">())</span> -</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="n">deduped</span> <span class="o">=</span> <span class="p">{</span><span class="n">generate</span><span class="p">(</span><span class="n">e</span><span class="p">):</span> <span class="n">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">flattened</span><span class="p">}</span> -</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">arr</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">deduped</span><span class="o">.</span><span class="n">items</span><span class="p">())</span> -</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> -</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="c1"># check if the operands are already sorted, if not sort them</span> -</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="c1"># A AND C AND B -> A AND B AND C</span> -</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">arr</span><span class="p">[</span><span class="mi">1</span><span class="p">:]):</span> -</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="k">if</span> <span class="n">sql</span> <span class="o"><</span> <span class="n">arr</span><span class="p">[</span><span class="n">i</span><span class="p">][</span><span class="mi">0</span><span class="p">]:</span> -</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">result_func</span><span class="p">(</span><span class="o">*</span><span class="p">(</span><span class="n">e</span> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">arr</span><span class="p">)),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="k">break</span> -</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="c1"># we didn't have to sort but maybe we need to dedup</span> -</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">deduped</span><span class="p">)</span> <span class="o"><</span> <span class="nb">len</span><span class="p">(</span><span class="n">flattened</span><span class="p">):</span> -</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">result_func</span><span class="p">(</span><span class="o">*</span><span class="n">deduped</span><span class="o">.</span><span class="n">values</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> -</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-31"><a href="#L-31"><span class="linenos"> 31</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">meta</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"final"</span><span class="p">):</span> +</span><span id="L-32"><a href="#L-32"><span class="linenos"> 32</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-33"><a href="#L-33"><span class="linenos"> 33</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">expression</span> +</span><span id="L-34"><a href="#L-34"><span class="linenos"> 34</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">rewrite_between</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="L-35"><a href="#L-35"><span class="linenos"> 35</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">uniq_sort</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">generate</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="L-36"><a href="#L-36"><span class="linenos"> 36</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">absorb_and_eliminate</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="L-37"><a href="#L-37"><span class="linenos"> 37</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">replace_children</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="k">lambda</span> <span class="n">e</span><span class="p">:</span> <span class="n">_simplify</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="kc">False</span><span class="p">))</span> +</span><span id="L-38"><a href="#L-38"><span class="linenos"> 38</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_not</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="L-39"><a href="#L-39"><span class="linenos"> 39</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">flatten</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="L-40"><a href="#L-40"><span class="linenos"> 40</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_connectors</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="L-41"><a href="#L-41"><span class="linenos"> 41</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">remove_compliments</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="L-42"><a href="#L-42"><span class="linenos"> 42</span></a> <span class="n">node</span><span class="o">.</span><span class="n">parent</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span> +</span><span id="L-43"><a href="#L-43"><span class="linenos"> 43</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_literals</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="L-44"><a href="#L-44"><span class="linenos"> 44</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_parens</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="L-45"><a href="#L-45"><span class="linenos"> 45</span></a> <span class="k">if</span> <span class="n">root</span><span class="p">:</span> +</span><span id="L-46"><a href="#L-46"><span class="linenos"> 46</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="L-47"><a href="#L-47"><span class="linenos"> 47</span></a> <span class="k">return</span> <span class="n">node</span> +</span><span id="L-48"><a href="#L-48"><span class="linenos"> 48</span></a> +</span><span id="L-49"><a href="#L-49"><span class="linenos"> 49</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">while_changing</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify</span><span class="p">)</span> +</span><span id="L-50"><a href="#L-50"><span class="linenos"> 50</span></a> <span class="n">remove_where_true</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="L-51"><a href="#L-51"><span class="linenos"> 51</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-52"><a href="#L-52"><span class="linenos"> 52</span></a> +</span><span id="L-53"><a href="#L-53"><span class="linenos"> 53</span></a> +</span><span id="L-54"><a href="#L-54"><span class="linenos"> 54</span></a><span class="k">def</span> <span class="nf">rewrite_between</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="L-55"><a href="#L-55"><span class="linenos"> 55</span></a><span class="w"> </span><span class="sd">"""Rewrite x between y and z to x >= y AND x <= z.</span> +</span><span id="L-56"><a href="#L-56"><span class="linenos"> 56</span></a> +</span><span id="L-57"><a href="#L-57"><span class="linenos"> 57</span></a><span class="sd"> This is done because comparison simplification is only done on lt/lte/gt/gte.</span> +</span><span id="L-58"><a href="#L-58"><span class="linenos"> 58</span></a><span class="sd"> """</span> +</span><span id="L-59"><a href="#L-59"><span class="linenos"> 59</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">):</span> +</span><span id="L-60"><a href="#L-60"><span class="linenos"> 60</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span> +</span><span id="L-61"><a href="#L-61"><span class="linenos"> 61</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"low"</span><span class="p">]),</span> +</span><span id="L-62"><a href="#L-62"><span class="linenos"> 62</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"high"</span><span class="p">]),</span> +</span><span id="L-63"><a href="#L-63"><span class="linenos"> 63</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="L-64"><a href="#L-64"><span class="linenos"> 64</span></a> <span class="p">)</span> +</span><span id="L-65"><a href="#L-65"><span class="linenos"> 65</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-66"><a href="#L-66"><span class="linenos"> 66</span></a> +</span><span id="L-67"><a href="#L-67"><span class="linenos"> 67</span></a> +</span><span id="L-68"><a href="#L-68"><span class="linenos"> 68</span></a><span class="k">def</span> <span class="nf">simplify_not</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="L-69"><a href="#L-69"><span class="linenos"> 69</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-70"><a href="#L-70"><span class="linenos"> 70</span></a><span class="sd"> Demorgan's Law</span> +</span><span id="L-71"><a href="#L-71"><span class="linenos"> 71</span></a><span class="sd"> NOT (x OR y) -> NOT x AND NOT y</span> +</span><span id="L-72"><a href="#L-72"><span class="linenos"> 72</span></a><span class="sd"> NOT (x AND y) -> NOT x OR NOT y</span> +</span><span id="L-73"><a href="#L-73"><span class="linenos"> 73</span></a><span class="sd"> """</span> +</span><span id="L-74"><a href="#L-74"><span class="linenos"> 74</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span> +</span><span id="L-75"><a href="#L-75"><span class="linenos"> 75</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> +</span><span id="L-76"><a href="#L-76"><span class="linenos"> 76</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> +</span><span id="L-77"><a href="#L-77"><span class="linenos"> 77</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> +</span><span id="L-78"><a href="#L-78"><span class="linenos"> 78</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span> +</span><span id="L-79"><a href="#L-79"><span class="linenos"> 79</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">):</span> +</span><span id="L-80"><a href="#L-80"><span class="linenos"> 80</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span><span class="p">(</span> +</span><span id="L-81"><a href="#L-81"><span class="linenos"> 81</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> +</span><span id="L-82"><a href="#L-82"><span class="linenos"> 82</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> +</span><span id="L-83"><a href="#L-83"><span class="linenos"> 83</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="L-84"><a href="#L-84"><span class="linenos"> 84</span></a> <span class="p">)</span> +</span><span id="L-85"><a href="#L-85"><span class="linenos"> 85</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">):</span> +</span><span id="L-86"><a href="#L-86"><span class="linenos"> 86</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span> +</span><span id="L-87"><a href="#L-87"><span class="linenos"> 87</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> +</span><span id="L-88"><a href="#L-88"><span class="linenos"> 88</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> +</span><span id="L-89"><a href="#L-89"><span class="linenos"> 89</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="L-90"><a href="#L-90"><span class="linenos"> 90</span></a> <span class="p">)</span> +</span><span id="L-91"><a href="#L-91"><span class="linenos"> 91</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> +</span><span id="L-92"><a href="#L-92"><span class="linenos"> 92</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> +</span><span id="L-93"><a href="#L-93"><span class="linenos"> 93</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> +</span><span id="L-94"><a href="#L-94"><span class="linenos"> 94</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> +</span><span id="L-95"><a href="#L-95"><span class="linenos"> 95</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> +</span><span id="L-96"><a href="#L-96"><span class="linenos"> 96</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> +</span><span id="L-97"><a href="#L-97"><span class="linenos"> 97</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span> +</span><span id="L-98"><a href="#L-98"><span class="linenos"> 98</span></a> <span class="c1"># double negation</span> +</span><span id="L-99"><a href="#L-99"><span class="linenos"> 99</span></a> <span class="c1"># NOT NOT x -> x</span> +</span><span id="L-100"><a href="#L-100"><span class="linenos">100</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-101"><a href="#L-101"><span class="linenos">101</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-102"><a href="#L-102"><span class="linenos">102</span></a> +</span><span id="L-103"><a href="#L-103"><span class="linenos">103</span></a> +</span><span id="L-104"><a href="#L-104"><span class="linenos">104</span></a><span class="k">def</span> <span class="nf">flatten</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="L-105"><a href="#L-105"><span class="linenos">105</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-106"><a href="#L-106"><span class="linenos">106</span></a><span class="sd"> A AND (B AND C) -> A AND B AND C</span> +</span><span id="L-107"><a href="#L-107"><span class="linenos">107</span></a><span class="sd"> A OR (B OR C) -> A OR B OR C</span> +</span><span id="L-108"><a href="#L-108"><span class="linenos">108</span></a><span class="sd"> """</span> +</span><span id="L-109"><a href="#L-109"><span class="linenos">109</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> +</span><span id="L-110"><a href="#L-110"><span class="linenos">110</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> +</span><span id="L-111"><a href="#L-111"><span class="linenos">111</span></a> <span class="n">child</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span> +</span><span id="L-112"><a href="#L-112"><span class="linenos">112</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">child</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">):</span> +</span><span id="L-113"><a href="#L-113"><span class="linenos">113</span></a> <span class="n">node</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">child</span><span class="p">)</span> +</span><span id="L-114"><a href="#L-114"><span class="linenos">114</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-115"><a href="#L-115"><span class="linenos">115</span></a> +</span><span id="L-116"><a href="#L-116"><span class="linenos">116</span></a> +</span><span id="L-117"><a href="#L-117"><span class="linenos">117</span></a><span class="k">def</span> <span class="nf">simplify_connectors</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> +</span><span id="L-118"><a href="#L-118"><span class="linenos">118</span></a> <span class="k">def</span> <span class="nf">_simplify_connectors</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">):</span> +</span><span id="L-119"><a href="#L-119"><span class="linenos">119</span></a> <span class="k">if</span> <span class="n">left</span> <span class="o">==</span> <span class="n">right</span><span class="p">:</span> +</span><span id="L-120"><a href="#L-120"><span class="linenos">120</span></a> <span class="k">return</span> <span class="n">left</span> +</span><span id="L-121"><a href="#L-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">):</span> +</span><span id="L-122"><a href="#L-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="L-123"><a href="#L-123"><span class="linenos">123</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> +</span><span id="L-124"><a href="#L-124"><span class="linenos">124</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="L-125"><a href="#L-125"><span class="linenos">125</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> +</span><span id="L-126"><a href="#L-126"><span class="linenos">126</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="L-127"><a href="#L-127"><span class="linenos">127</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> +</span><span id="L-128"><a href="#L-128"><span class="linenos">128</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">):</span> +</span><span id="L-129"><a href="#L-129"><span class="linenos">129</span></a> <span class="k">return</span> <span class="n">right</span> +</span><span id="L-130"><a href="#L-130"><span class="linenos">130</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="L-131"><a href="#L-131"><span class="linenos">131</span></a> <span class="k">return</span> <span class="n">left</span> +</span><span id="L-132"><a href="#L-132"><span class="linenos">132</span></a> <span class="k">return</span> <span class="n">_simplify_comparison</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">)</span> +</span><span id="L-133"><a href="#L-133"><span class="linenos">133</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">):</span> +</span><span id="L-134"><a href="#L-134"><span class="linenos">134</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="L-135"><a href="#L-135"><span class="linenos">135</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> +</span><span id="L-136"><a href="#L-136"><span class="linenos">136</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="L-137"><a href="#L-137"><span class="linenos">137</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> +</span><span id="L-138"><a href="#L-138"><span class="linenos">138</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="L-139"><a href="#L-139"><span class="linenos">139</span></a> <span class="p">(</span><span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> +</span><span id="L-140"><a href="#L-140"><span class="linenos">140</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> +</span><span id="L-141"><a href="#L-141"><span class="linenos">141</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> +</span><span id="L-142"><a href="#L-142"><span class="linenos">142</span></a> <span class="p">):</span> +</span><span id="L-143"><a href="#L-143"><span class="linenos">143</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> +</span><span id="L-144"><a href="#L-144"><span class="linenos">144</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">):</span> +</span><span id="L-145"><a href="#L-145"><span class="linenos">145</span></a> <span class="k">return</span> <span class="n">right</span> +</span><span id="L-146"><a href="#L-146"><span class="linenos">146</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="L-147"><a href="#L-147"><span class="linenos">147</span></a> <span class="k">return</span> <span class="n">left</span> +</span><span id="L-148"><a href="#L-148"><span class="linenos">148</span></a> <span class="k">return</span> <span class="n">_simplify_comparison</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">,</span> <span class="n">or_</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> +</span><span id="L-149"><a href="#L-149"><span class="linenos">149</span></a> +</span><span id="L-150"><a href="#L-150"><span class="linenos">150</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> +</span><span id="L-151"><a href="#L-151"><span class="linenos">151</span></a> <span class="k">return</span> <span class="n">_flat_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify_connectors</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="L-152"><a href="#L-152"><span class="linenos">152</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-153"><a href="#L-153"><span class="linenos">153</span></a> +</span><span id="L-154"><a href="#L-154"><span class="linenos">154</span></a> +</span><span id="L-155"><a href="#L-155"><span class="linenos">155</span></a><span class="n">LT_LTE</span> <span class="o">=</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">)</span> +</span><span id="L-156"><a href="#L-156"><span class="linenos">156</span></a><span class="n">GT_GTE</span> <span class="o">=</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">)</span> +</span><span id="L-157"><a href="#L-157"><span class="linenos">157</span></a> +</span><span id="L-158"><a href="#L-158"><span class="linenos">158</span></a><span class="n">COMPARISONS</span> <span class="o">=</span> <span class="p">(</span> +</span><span id="L-159"><a href="#L-159"><span class="linenos">159</span></a> <span class="o">*</span><span class="n">LT_LTE</span><span class="p">,</span> +</span><span id="L-160"><a href="#L-160"><span class="linenos">160</span></a> <span class="o">*</span><span class="n">GT_GTE</span><span class="p">,</span> +</span><span id="L-161"><a href="#L-161"><span class="linenos">161</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">,</span> +</span><span id="L-162"><a href="#L-162"><span class="linenos">162</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">,</span> +</span><span id="L-163"><a href="#L-163"><span class="linenos">163</span></a><span class="p">)</span> +</span><span id="L-164"><a href="#L-164"><span class="linenos">164</span></a> +</span><span id="L-165"><a href="#L-165"><span class="linenos">165</span></a><span class="n">INVERSE_COMPARISONS</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-166"><a href="#L-166"><span class="linenos">166</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">,</span> +</span><span id="L-167"><a href="#L-167"><span class="linenos">167</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">,</span> +</span><span id="L-168"><a href="#L-168"><span class="linenos">168</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">,</span> +</span><span id="L-169"><a href="#L-169"><span class="linenos">169</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">,</span> +</span><span id="L-170"><a href="#L-170"><span class="linenos">170</span></a><span class="p">}</span> +</span><span id="L-171"><a href="#L-171"><span class="linenos">171</span></a> +</span><span id="L-172"><a href="#L-172"><span class="linenos">172</span></a> +</span><span id="L-173"><a href="#L-173"><span class="linenos">173</span></a><span class="k">def</span> <span class="nf">_simplify_comparison</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">,</span> <span class="n">or_</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> +</span><span id="L-174"><a href="#L-174"><span class="linenos">174</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">left</span><span class="p">,</span> <span class="n">COMPARISONS</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">right</span><span class="p">,</span> <span class="n">COMPARISONS</span><span class="p">):</span> +</span><span id="L-175"><a href="#L-175"><span class="linenos">175</span></a> <span class="n">ll</span><span class="p">,</span> <span class="n">lr</span> <span class="o">=</span> <span class="n">left</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">()</span> +</span><span id="L-176"><a href="#L-176"><span class="linenos">176</span></a> <span class="n">rl</span><span class="p">,</span> <span class="n">rr</span> <span class="o">=</span> <span class="n">right</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">()</span> +</span><span id="L-177"><a href="#L-177"><span class="linenos">177</span></a> +</span><span id="L-178"><a href="#L-178"><span class="linenos">178</span></a> <span class="n">largs</span> <span class="o">=</span> <span class="p">{</span><span class="n">ll</span><span class="p">,</span> <span class="n">lr</span><span class="p">}</span> +</span><span id="L-179"><a href="#L-179"><span class="linenos">179</span></a> <span class="n">rargs</span> <span class="o">=</span> <span class="p">{</span><span class="n">rl</span><span class="p">,</span> <span class="n">rr</span><span class="p">}</span> +</span><span id="L-180"><a href="#L-180"><span class="linenos">180</span></a> +</span><span id="L-181"><a href="#L-181"><span class="linenos">181</span></a> <span class="n">matching</span> <span class="o">=</span> <span class="n">largs</span> <span class="o">&</span> <span class="n">rargs</span> +</span><span id="L-182"><a href="#L-182"><span class="linenos">182</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="p">{</span><span class="n">m</span> <span class="k">for</span> <span class="n">m</span> <span class="ow">in</span> <span class="n">matching</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">m</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">)}</span> +</span><span id="L-183"><a href="#L-183"><span class="linenos">183</span></a> +</span><span id="L-184"><a href="#L-184"><span class="linenos">184</span></a> <span class="k">if</span> <span class="n">matching</span> <span class="ow">and</span> <span class="n">columns</span><span class="p">:</span> +</span><span id="L-185"><a href="#L-185"><span class="linenos">185</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="L-186"><a href="#L-186"><span class="linenos">186</span></a> <span class="n">l</span> <span class="o">=</span> <span class="n">first</span><span class="p">(</span><span class="n">largs</span> <span class="o">-</span> <span class="n">columns</span><span class="p">)</span> +</span><span id="L-187"><a href="#L-187"><span class="linenos">187</span></a> <span class="n">r</span> <span class="o">=</span> <span class="n">first</span><span class="p">(</span><span class="n">rargs</span> <span class="o">-</span> <span class="n">columns</span><span class="p">)</span> +</span><span id="L-188"><a href="#L-188"><span class="linenos">188</span></a> <span class="k">except</span> <span class="ne">StopIteration</span><span class="p">:</span> +</span><span id="L-189"><a href="#L-189"><span class="linenos">189</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-190"><a href="#L-190"><span class="linenos">190</span></a> +</span><span id="L-191"><a href="#L-191"><span class="linenos">191</span></a> <span class="c1"># make sure the comparison is always of the form x > 1 instead of 1 < x</span> +</span><span id="L-192"><a href="#L-192"><span class="linenos">192</span></a> <span class="k">if</span> <span class="n">left</span><span class="o">.</span><span class="vm">__class__</span> <span class="ow">in</span> <span class="n">INVERSE_COMPARISONS</span> <span class="ow">and</span> <span class="n">l</span> <span class="o">==</span> <span class="n">ll</span><span class="p">:</span> +</span><span id="L-193"><a href="#L-193"><span class="linenos">193</span></a> <span class="n">left</span> <span class="o">=</span> <span class="n">INVERSE_COMPARISONS</span><span class="p">[</span><span class="n">left</span><span class="o">.</span><span class="vm">__class__</span><span class="p">](</span><span class="n">this</span><span class="o">=</span><span class="n">lr</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">ll</span><span class="p">)</span> +</span><span id="L-194"><a href="#L-194"><span class="linenos">194</span></a> <span class="k">if</span> <span class="n">right</span><span class="o">.</span><span class="vm">__class__</span> <span class="ow">in</span> <span class="n">INVERSE_COMPARISONS</span> <span class="ow">and</span> <span class="n">r</span> <span class="o">==</span> <span class="n">rl</span><span class="p">:</span> +</span><span id="L-195"><a href="#L-195"><span class="linenos">195</span></a> <span class="n">right</span> <span class="o">=</span> <span class="n">INVERSE_COMPARISONS</span><span class="p">[</span><span class="n">right</span><span class="o">.</span><span class="vm">__class__</span><span class="p">](</span><span class="n">this</span><span class="o">=</span><span class="n">rr</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">rl</span><span class="p">)</span> +</span><span id="L-196"><a href="#L-196"><span class="linenos">196</span></a> +</span><span id="L-197"><a href="#L-197"><span class="linenos">197</span></a> <span class="k">if</span> <span class="n">l</span><span class="o">.</span><span class="n">is_number</span> <span class="ow">and</span> <span class="n">r</span><span class="o">.</span><span class="n">is_number</span><span class="p">:</span> +</span><span id="L-198"><a href="#L-198"><span class="linenos">198</span></a> <span class="n">l</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">l</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-199"><a href="#L-199"><span class="linenos">199</span></a> <span class="n">r</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">r</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-200"><a href="#L-200"><span class="linenos">200</span></a> <span class="k">elif</span> <span class="n">l</span><span class="o">.</span><span class="n">is_string</span> <span class="ow">and</span> <span class="n">r</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="L-201"><a href="#L-201"><span class="linenos">201</span></a> <span class="n">l</span> <span class="o">=</span> <span class="n">l</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-202"><a href="#L-202"><span class="linenos">202</span></a> <span class="n">r</span> <span class="o">=</span> <span class="n">r</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-203"><a href="#L-203"><span class="linenos">203</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-204"><a href="#L-204"><span class="linenos">204</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-205"><a href="#L-205"><span class="linenos">205</span></a> +</span><span id="L-206"><a href="#L-206"><span class="linenos">206</span></a> <span class="k">for</span> <span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">av</span><span class="p">),</span> <span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">bv</span><span class="p">)</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">(((</span><span class="n">left</span><span class="p">,</span> <span class="n">l</span><span class="p">),</span> <span class="p">(</span><span class="n">right</span><span class="p">,</span> <span class="n">r</span><span class="p">))):</span> +</span><span id="L-207"><a href="#L-207"><span class="linenos">207</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">LT_LTE</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">LT_LTE</span><span class="p">):</span> +</span><span id="L-208"><a href="#L-208"><span class="linenos">208</span></a> <span class="k">return</span> <span class="n">left</span> <span class="k">if</span> <span class="p">(</span><span class="n">av</span> <span class="o">></span> <span class="n">bv</span> <span class="k">if</span> <span class="n">or_</span> <span class="k">else</span> <span class="n">av</span> <span class="o"><=</span> <span class="n">bv</span><span class="p">)</span> <span class="k">else</span> <span class="n">right</span> +</span><span id="L-209"><a href="#L-209"><span class="linenos">209</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">GT_GTE</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">GT_GTE</span><span class="p">):</span> +</span><span id="L-210"><a href="#L-210"><span class="linenos">210</span></a> <span class="k">return</span> <span class="n">left</span> <span class="k">if</span> <span class="p">(</span><span class="n">av</span> <span class="o"><</span> <span class="n">bv</span> <span class="k">if</span> <span class="n">or_</span> <span class="k">else</span> <span class="n">av</span> <span class="o">>=</span> <span class="n">bv</span><span class="p">)</span> <span class="k">else</span> <span class="n">right</span> +</span><span id="L-211"><a href="#L-211"><span class="linenos">211</span></a> +</span><span id="L-212"><a href="#L-212"><span class="linenos">212</span></a> <span class="c1"># we can't ever shortcut to true because the column could be null</span> +</span><span id="L-213"><a href="#L-213"><span class="linenos">213</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">or_</span><span class="p">:</span> +</span><span id="L-214"><a href="#L-214"><span class="linenos">214</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">GT_GTE</span><span class="p">):</span> +</span><span id="L-215"><a href="#L-215"><span class="linenos">215</span></a> <span class="k">if</span> <span class="n">av</span> <span class="o"><=</span> <span class="n">bv</span><span class="p">:</span> +</span><span id="L-216"><a href="#L-216"><span class="linenos">216</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> +</span><span id="L-217"><a href="#L-217"><span class="linenos">217</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">LT_LTE</span><span class="p">):</span> +</span><span id="L-218"><a href="#L-218"><span class="linenos">218</span></a> <span class="k">if</span> <span class="n">av</span> <span class="o">>=</span> <span class="n">bv</span><span class="p">:</span> +</span><span id="L-219"><a href="#L-219"><span class="linenos">219</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> +</span><span id="L-220"><a href="#L-220"><span class="linenos">220</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">):</span> +</span><span id="L-221"><a href="#L-221"><span class="linenos">221</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">):</span> +</span><span id="L-222"><a href="#L-222"><span class="linenos">222</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">av</span> <span class="o">>=</span> <span class="n">bv</span> <span class="k">else</span> <span class="n">a</span> +</span><span id="L-223"><a href="#L-223"><span class="linenos">223</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">):</span> +</span><span id="L-224"><a href="#L-224"><span class="linenos">224</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">av</span> <span class="o">></span> <span class="n">bv</span> <span class="k">else</span> <span class="n">a</span> +</span><span id="L-225"><a href="#L-225"><span class="linenos">225</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">):</span> +</span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">av</span> <span class="o"><=</span> <span class="n">bv</span> <span class="k">else</span> <span class="n">a</span> +</span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">):</span> +</span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">av</span> <span class="o"><</span> <span class="n">bv</span> <span class="k">else</span> <span class="n">a</span> +</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">):</span> +</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">av</span> <span class="o">==</span> <span class="n">bv</span> <span class="k">else</span> <span class="n">a</span> +</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> +</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> +</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a><span class="k">def</span> <span class="nf">remove_compliments</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> +</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a><span class="sd"> Removing compliments.</span> +</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> +</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a><span class="sd"> A AND NOT A -> FALSE</span> +</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a><span class="sd"> A OR NOT A -> TRUE</span> +</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a><span class="sd"> """</span> +</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> +</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="n">compliment</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> +</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> +</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">(),</span> <span class="mi">2</span><span class="p">):</span> +</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="k">if</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> +</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="k">return</span> <span class="n">compliment</span> +</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> +</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> +</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a><span class="k">def</span> <span class="nf">uniq_sort</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">generate</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> +</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a><span class="sd"> Uniq and sort a connector.</span> +</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> +</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a><span class="sd"> C AND A AND B AND B -> A AND B AND C</span> +</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a><span class="sd"> """</span> +</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> +</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="n">result_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span> +</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="n">flattened</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">())</span> +</span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> <span class="n">deduped</span> <span class="o">=</span> <span class="p">{</span><span class="n">generate</span><span class="p">(</span><span class="n">e</span><span class="p">):</span> <span class="n">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">flattened</span><span class="p">}</span> +</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="n">arr</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">deduped</span><span class="o">.</span><span class="n">items</span><span class="p">())</span> +</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> +</span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> <span class="c1"># check if the operands are already sorted, if not sort them</span> +</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="c1"># A AND C AND B -> A AND B AND C</span> +</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">arr</span><span class="p">[</span><span class="mi">1</span><span class="p">:]):</span> +</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="k">if</span> <span class="n">sql</span> <span class="o"><</span> <span class="n">arr</span><span class="p">[</span><span class="n">i</span><span class="p">][</span><span class="mi">0</span><span class="p">]:</span> +</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">result_func</span><span class="p">(</span><span class="o">*</span><span class="p">(</span><span class="n">e</span> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">arr</span><span class="p">)),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="k">break</span> +</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="c1"># we didn't have to sort but maybe we need to dedup</span> +</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">deduped</span><span class="p">)</span> <span class="o"><</span> <span class="nb">len</span><span class="p">(</span><span class="n">flattened</span><span class="p">):</span> +</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">result_func</span><span class="p">(</span><span class="o">*</span><span class="n">deduped</span><span class="o">.</span><span class="n">values</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> </span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> -</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> -</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a><span class="k">def</span> <span class="nf">absorb_and_eliminate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a><span class="sd"> absorption:</span> -</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a><span class="sd"> A AND (A OR B) -> A</span> -</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a><span class="sd"> A OR (A AND B) -> A</span> -</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a><span class="sd"> A AND (NOT A OR B) -> A AND B</span> -</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a><span class="sd"> A OR (NOT A AND B) -> A OR B</span> -</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a><span class="sd"> elimination:</span> -</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a><span class="sd"> (A AND B) OR (A AND NOT B) -> A</span> -</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a><span class="sd"> (A OR B) AND (A OR NOT B) -> A</span> -</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a><span class="sd"> """</span> -</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> -</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="n">kind</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> -</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> -</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">(),</span> <span class="mi">2</span><span class="p">):</span> -</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">kind</span><span class="p">):</span> -</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="n">aa</span><span class="p">,</span> <span class="n">ab</span> <span class="o">=</span> <span class="n">a</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">()</span> -</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> -</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="c1"># absorb</span> -</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> <span class="k">if</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">aa</span><span class="p">):</span> -</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> <span class="n">aa</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">())</span> -</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="k">elif</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">ab</span><span class="p">):</span> -</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="n">ab</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">())</span> -</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="k">elif</span> <span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">b</span><span class="o">.</span><span class="n">flatten</span><span class="p">())</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">kind</span><span class="p">)</span> <span class="k">else</span> <span class="p">{</span><span class="n">b</span><span class="p">})</span> <span class="o"><</span> <span class="nb">set</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">flatten</span><span class="p">()):</span> -</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span> -</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">kind</span><span class="p">):</span> -</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="c1"># eliminate</span> -</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="n">rhs</span> <span class="o">=</span> <span class="n">b</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">()</span> -</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="n">ba</span><span class="p">,</span> <span class="n">bb</span> <span class="o">=</span> <span class="n">rhs</span> -</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> -</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="k">if</span> <span class="n">aa</span> <span class="ow">in</span> <span class="n">rhs</span> <span class="ow">and</span> <span class="p">(</span><span class="n">is_complement</span><span class="p">(</span><span class="n">ab</span><span class="p">,</span> <span class="n">ba</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">ab</span><span class="p">,</span> <span class="n">bb</span><span class="p">)):</span> -</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">aa</span><span class="p">)</span> -</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="n">b</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">aa</span><span class="p">)</span> -</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="k">elif</span> <span class="n">ab</span> <span class="ow">in</span> <span class="n">rhs</span> <span class="ow">and</span> <span class="p">(</span><span class="n">is_complement</span><span class="p">(</span><span class="n">aa</span><span class="p">,</span> <span class="n">ba</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">aa</span><span class="p">,</span> <span class="n">bb</span><span class="p">)):</span> -</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">ab</span><span class="p">)</span> -</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a> <span class="n">b</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">ab</span><span class="p">)</span> -</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> -</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> +</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> +</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a><span class="k">def</span> <span class="nf">absorb_and_eliminate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> +</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a><span class="sd"> absorption:</span> +</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a><span class="sd"> A AND (A OR B) -> A</span> +</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a><span class="sd"> A OR (A AND B) -> A</span> +</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a><span class="sd"> A AND (NOT A OR B) -> A AND B</span> +</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a><span class="sd"> A OR (NOT A AND B) -> A OR B</span> +</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a><span class="sd"> elimination:</span> +</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a><span class="sd"> (A AND B) OR (A AND NOT B) -> A</span> +</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a><span class="sd"> (A OR B) AND (A OR NOT B) -> A</span> +</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a><span class="sd"> """</span> +</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> +</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="n">kind</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> +</span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> +</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">(),</span> <span class="mi">2</span><span class="p">):</span> +</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">kind</span><span class="p">):</span> +</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> <span class="n">aa</span><span class="p">,</span> <span class="n">ab</span> <span class="o">=</span> <span class="n">a</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">()</span> +</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> +</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a> <span class="c1"># absorb</span> +</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a> <span class="k">if</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">aa</span><span class="p">):</span> +</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="n">aa</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">())</span> +</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> <span class="k">elif</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">ab</span><span class="p">):</span> +</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="n">ab</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">())</span> +</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="k">elif</span> <span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">b</span><span class="o">.</span><span class="n">flatten</span><span class="p">())</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">kind</span><span class="p">)</span> <span class="k">else</span> <span class="p">{</span><span class="n">b</span><span class="p">})</span> <span class="o"><</span> <span class="nb">set</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">flatten</span><span class="p">()):</span> +</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span> +</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">kind</span><span class="p">):</span> +</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="c1"># eliminate</span> +</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="n">rhs</span> <span class="o">=</span> <span class="n">b</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">()</span> +</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="n">ba</span><span class="p">,</span> <span class="n">bb</span> <span class="o">=</span> <span class="n">rhs</span> +</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> +</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="k">if</span> <span class="n">aa</span> <span class="ow">in</span> <span class="n">rhs</span> <span class="ow">and</span> <span class="p">(</span><span class="n">is_complement</span><span class="p">(</span><span class="n">ab</span><span class="p">,</span> <span class="n">ba</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">ab</span><span class="p">,</span> <span class="n">bb</span><span class="p">)):</span> +</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">aa</span><span class="p">)</span> +</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="n">b</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">aa</span><span class="p">)</span> +</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a> <span class="k">elif</span> <span class="n">ab</span> <span class="ow">in</span> <span class="n">rhs</span> <span class="ow">and</span> <span class="p">(</span><span class="n">is_complement</span><span class="p">(</span><span class="n">aa</span><span class="p">,</span> <span class="n">ba</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">aa</span><span class="p">,</span> <span class="n">bb</span><span class="p">)):</span> +</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">ab</span><span class="p">)</span> +</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="n">b</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">ab</span><span class="p">)</span> </span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> -</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> -</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a><span class="k">def</span> <span class="nf">simplify_literals</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> -</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="k">return</span> <span class="n">_flat_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify_binary</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Neg</span><span class="p">):</span> -</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="k">if</span> <span class="n">this</span><span class="o">.</span><span class="n">is_number</span><span class="p">:</span> -</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">this</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="k">if</span> <span class="n">value</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="s2">"-"</span><span class="p">:</span> -</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">value</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span> -</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="sa">f</span><span class="s2">"-</span><span class="si">{</span><span class="n">value</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> -</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> +</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> +</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a><span class="k">def</span> <span class="nf">simplify_literals</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> +</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> +</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="k">return</span> <span class="n">_flat_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify_binary</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Neg</span><span class="p">):</span> +</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="k">if</span> <span class="n">this</span><span class="o">.</span><span class="n">is_number</span><span class="p">:</span> +</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">this</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="k">if</span> <span class="n">value</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="s2">"-"</span><span class="p">:</span> +</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">value</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span> +</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="sa">f</span><span class="s2">"-</span><span class="si">{</span><span class="n">value</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> </span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> -</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> -</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a><span class="k">def</span> <span class="nf">_simplify_binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> -</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">):</span> -</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span> -</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="n">c</span> <span class="o">=</span> <span class="n">b</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="n">not_</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="n">c</span> <span class="o">=</span> <span class="n">b</span> -</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="n">not_</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> -</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">c</span><span class="p">):</span> -</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">):</span> -</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">not_</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> -</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">a</span><span class="p">):</span> -</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">not_</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> -</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">NullSafeEQ</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">NullSafeNEQ</span><span class="p">)):</span> -</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="k">elif</span> <span class="n">is_null</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_null</span><span class="p">(</span><span class="n">b</span><span class="p">):</span> -</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> -</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> -</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> <span class="k">if</span> <span class="n">a</span><span class="o">.</span><span class="n">is_number</span> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">is_number</span><span class="p">:</span> -</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="n">a</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> <span class="k">if</span> <span class="n">a</span><span class="o">.</span><span class="n">is_int</span> <span class="k">else</span> <span class="n">Decimal</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="n">b</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">b</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> <span class="k">if</span> <span class="n">b</span><span class="o">.</span><span class="n">is_int</span> <span class="k">else</span> <span class="n">Decimal</span><span class="p">(</span><span class="n">b</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> -</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">):</span> -</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">a</span> <span class="o">+</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Sub</span><span class="p">):</span> -</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">a</span> <span class="o">-</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Mul</span><span class="p">):</span> -</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">a</span> <span class="o">*</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Div</span><span class="p">):</span> -</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="c1"># engines have differing int div behavior so intdiv is not safe</span> -</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="nb">int</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="nb">int</span><span class="p">):</span> -</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">a</span> <span class="o">/</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> -</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="n">boolean</span> <span class="o">=</span> <span class="n">eval_boolean</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> +</span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> +</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a><span class="k">def</span> <span class="nf">_simplify_binary</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> +</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">):</span> +</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span> +</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="n">c</span> <span class="o">=</span> <span class="n">b</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="n">not_</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> <span class="n">c</span> <span class="o">=</span> <span class="n">b</span> +</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="n">not_</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> +</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">c</span><span class="p">):</span> +</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="p">):</span> +</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">not_</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> +</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">a</span><span class="p">):</span> +</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">not_</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> +</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">NullSafeEQ</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">NullSafeNEQ</span><span class="p">)):</span> +</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="k">elif</span> <span class="n">is_null</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_null</span><span class="p">(</span><span class="n">b</span><span class="p">):</span> +</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> +</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> +</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="k">if</span> <span class="n">a</span><span class="o">.</span><span class="n">is_number</span> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">is_number</span><span class="p">:</span> +</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="n">a</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> <span class="k">if</span> <span class="n">a</span><span class="o">.</span><span class="n">is_int</span> <span class="k">else</span> <span class="n">Decimal</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="n">b</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">b</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> <span class="k">if</span> <span class="n">b</span><span class="o">.</span><span class="n">is_int</span> <span class="k">else</span> <span class="n">Decimal</span><span class="p">(</span><span class="n">b</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> +</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">):</span> +</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">a</span> <span class="o">+</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Sub</span><span class="p">):</span> +</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">a</span> <span class="o">-</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Mul</span><span class="p">):</span> +</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">a</span> <span class="o">*</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Div</span><span class="p">):</span> +</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> <span class="c1"># engines have differing int div behavior so intdiv is not safe</span> +</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="nb">int</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="nb">int</span><span class="p">):</span> +</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">a</span> <span class="o">/</span> <span class="n">b</span><span class="p">)</span> </span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> -</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="k">if</span> <span class="n">boolean</span><span class="p">:</span> -</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="k">return</span> <span class="n">boolean</span> -</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="k">elif</span> <span class="n">a</span><span class="o">.</span><span class="n">is_string</span> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> -</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="n">boolean</span> <span class="o">=</span> <span class="n">eval_boolean</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">b</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> -</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> -</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="k">if</span> <span class="n">boolean</span><span class="p">:</span> -</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="k">return</span> <span class="n">boolean</span> -</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">):</span> -</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="o">=</span> <span class="n">extract_date</span><span class="p">(</span><span class="n">a</span><span class="p">),</span> <span class="n">extract_interval</span><span class="p">(</span><span class="n">b</span><span class="p">)</span> -</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="k">if</span> <span class="n">a</span> <span class="ow">and</span> <span class="n">b</span><span class="p">:</span> -</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">):</span> -</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="k">return</span> <span class="n">date_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">+</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Sub</span><span class="p">):</span> -</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> <span class="k">return</span> <span class="n">date_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">-</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">):</span> -</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="o">=</span> <span class="n">extract_interval</span><span class="p">(</span><span class="n">a</span><span class="p">),</span> <span class="n">extract_date</span><span class="p">(</span><span class="n">b</span><span class="p">)</span> -</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> <span class="c1"># you cannot subtract a date from an interval</span> -</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> <span class="k">if</span> <span class="n">a</span> <span class="ow">and</span> <span class="n">b</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">):</span> -</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="k">return</span> <span class="n">date_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">+</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> -</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> <span class="n">boolean</span> <span class="o">=</span> <span class="n">eval_boolean</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> +</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="k">if</span> <span class="n">boolean</span><span class="p">:</span> +</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="k">return</span> <span class="n">boolean</span> +</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="k">elif</span> <span class="n">a</span><span class="o">.</span><span class="n">is_string</span> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">is_string</span><span class="p">:</span> +</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="n">boolean</span> <span class="o">=</span> <span class="n">eval_boolean</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">b</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> +</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> +</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> <span class="k">if</span> <span class="n">boolean</span><span class="p">:</span> +</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="k">return</span> <span class="n">boolean</span> +</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">):</span> +</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="o">=</span> <span class="n">extract_date</span><span class="p">(</span><span class="n">a</span><span class="p">),</span> <span class="n">extract_interval</span><span class="p">(</span><span class="n">b</span><span class="p">)</span> +</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="k">if</span> <span class="n">a</span> <span class="ow">and</span> <span class="n">b</span><span class="p">:</span> +</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">):</span> +</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> <span class="k">return</span> <span class="n">date_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">+</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Sub</span><span class="p">):</span> +</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="k">return</span> <span class="n">date_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">-</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Interval</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Cast</span><span class="p">):</span> +</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="o">=</span> <span class="n">extract_interval</span><span class="p">(</span><span class="n">a</span><span class="p">),</span> <span class="n">extract_date</span><span class="p">(</span><span class="n">b</span><span class="p">)</span> +</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="c1"># you cannot subtract a date from an interval</span> +</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> <span class="k">if</span> <span class="n">a</span> <span class="ow">and</span> <span class="n">b</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">):</span> +</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="k">return</span> <span class="n">date_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">+</span> <span class="n">b</span><span class="p">)</span> </span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> -</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> -</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a><span class="k">def</span> <span class="nf">simplify_parens</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> -</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> -</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> <span class="n">parent</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span> -</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> -</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span> -</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">))</span> -</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="ow">or</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span> -</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)</span> -</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="ow">or</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">))</span> -</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="ow">or</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Mul</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Mul</span><span class="p">))</span> -</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="p">):</span> -</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> -</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> -</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a><span class="k">def</span> <span class="nf">remove_where_true</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> <span class="k">for</span> <span class="n">where</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">):</span> -</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> -</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="n">where</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"where"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span> -</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="n">always_true</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">))</span> -</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"using"</span><span class="p">)</span> -</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"method"</span><span class="p">)</span> -</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="p">):</span> -</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"on"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"side"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"kind"</span><span class="p">,</span> <span class="s2">"CROSS"</span><span class="p">)</span> -</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> -</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> -</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a><span class="k">def</span> <span class="nf">always_true</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a> <span class="k">return</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">isinstance</span><span class="p">(</span> -</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a> <span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span> -</span><span id="L-424"><a href="#L-424"><span class="linenos">424</span></a> <span class="p">)</span> -</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a> -</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a> -</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a><span class="k">def</span> <span class="nf">is_complement</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> -</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a> <span class="k">return</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">)</span> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">a</span> -</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a> -</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a> -</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a><span class="k">def</span> <span class="nf">is_false</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> -</span><span id="L-432"><a href="#L-432"><span class="linenos">432</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="ow">is</span> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">a</span><span class="o">.</span><span class="n">this</span> -</span><span id="L-433"><a href="#L-433"><span class="linenos">433</span></a> -</span><span id="L-434"><a href="#L-434"><span class="linenos">434</span></a> -</span><span id="L-435"><a href="#L-435"><span class="linenos">435</span></a><span class="k">def</span> <span class="nf">is_null</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> -</span><span id="L-436"><a href="#L-436"><span class="linenos">436</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="ow">is</span> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span> -</span><span id="L-437"><a href="#L-437"><span class="linenos">437</span></a> -</span><span id="L-438"><a href="#L-438"><span class="linenos">438</span></a> -</span><span id="L-439"><a href="#L-439"><span class="linenos">439</span></a><span class="k">def</span> <span class="nf">eval_boolean</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> -</span><span id="L-440"><a href="#L-440"><span class="linenos">440</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">)):</span> -</span><span id="L-441"><a href="#L-441"><span class="linenos">441</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">==</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-442"><a href="#L-442"><span class="linenos">442</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">):</span> -</span><span id="L-443"><a href="#L-443"><span class="linenos">443</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">!=</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-444"><a href="#L-444"><span class="linenos">444</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">):</span> -</span><span id="L-445"><a href="#L-445"><span class="linenos">445</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">></span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-446"><a href="#L-446"><span class="linenos">446</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">):</span> -</span><span id="L-447"><a href="#L-447"><span class="linenos">447</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">>=</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-448"><a href="#L-448"><span class="linenos">448</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">):</span> -</span><span id="L-449"><a href="#L-449"><span class="linenos">449</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o"><</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-450"><a href="#L-450"><span class="linenos">450</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">):</span> -</span><span id="L-451"><a href="#L-451"><span class="linenos">451</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o"><=</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-452"><a href="#L-452"><span class="linenos">452</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="L-453"><a href="#L-453"><span class="linenos">453</span></a> -</span><span id="L-454"><a href="#L-454"><span class="linenos">454</span></a> -</span><span id="L-455"><a href="#L-455"><span class="linenos">455</span></a><span class="k">def</span> <span class="nf">extract_date</span><span class="p">(</span><span class="n">cast</span><span class="p">):</span> -</span><span id="L-456"><a href="#L-456"><span class="linenos">456</span></a> <span class="c1"># The "fromisoformat" conversion could fail if the cast is used on an identifier,</span> -</span><span id="L-457"><a href="#L-457"><span class="linenos">457</span></a> <span class="c1"># so in that case we can't extract the date.</span> -</span><span id="L-458"><a href="#L-458"><span class="linenos">458</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="L-459"><a href="#L-459"><span class="linenos">459</span></a> <span class="k">if</span> <span class="n">cast</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">:</span> -</span><span id="L-460"><a href="#L-460"><span class="linenos">460</span></a> <span class="k">return</span> <span class="n">datetime</span><span class="o">.</span><span class="n">date</span><span class="o">.</span><span class="n">fromisoformat</span><span class="p">(</span><span class="n">cast</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-461"><a href="#L-461"><span class="linenos">461</span></a> <span class="k">if</span> <span class="n">cast</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">:</span> -</span><span id="L-462"><a href="#L-462"><span class="linenos">462</span></a> <span class="k">return</span> <span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="o">.</span><span class="n">fromisoformat</span><span class="p">(</span><span class="n">cast</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-463"><a href="#L-463"><span class="linenos">463</span></a> <span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span> -</span><span id="L-464"><a href="#L-464"><span class="linenos">464</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="L-465"><a href="#L-465"><span class="linenos">465</span></a> -</span><span id="L-466"><a href="#L-466"><span class="linenos">466</span></a> -</span><span id="L-467"><a href="#L-467"><span class="linenos">467</span></a><span class="k">def</span> <span class="nf">extract_interval</span><span class="p">(</span><span class="n">interval</span><span class="p">):</span> -</span><span id="L-468"><a href="#L-468"><span class="linenos">468</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="L-469"><a href="#L-469"><span class="linenos">469</span></a> <span class="kn">from</span> <span class="nn">dateutil.relativedelta</span> <span class="kn">import</span> <span class="n">relativedelta</span> <span class="c1"># type: ignore</span> -</span><span id="L-470"><a href="#L-470"><span class="linenos">470</span></a> <span class="k">except</span> <span class="ne">ModuleNotFoundError</span><span class="p">:</span> -</span><span id="L-471"><a href="#L-471"><span class="linenos">471</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="L-472"><a href="#L-472"><span class="linenos">472</span></a> -</span><span id="L-473"><a href="#L-473"><span class="linenos">473</span></a> <span class="n">n</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">interval</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="L-474"><a href="#L-474"><span class="linenos">474</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">interval</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> -</span><span id="L-475"><a href="#L-475"><span class="linenos">475</span></a> -</span><span id="L-476"><a href="#L-476"><span class="linenos">476</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"year"</span><span class="p">:</span> -</span><span id="L-477"><a href="#L-477"><span class="linenos">477</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">years</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> -</span><span id="L-478"><a href="#L-478"><span class="linenos">478</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"month"</span><span class="p">:</span> -</span><span id="L-479"><a href="#L-479"><span class="linenos">479</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">months</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> -</span><span id="L-480"><a href="#L-480"><span class="linenos">480</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"week"</span><span class="p">:</span> -</span><span id="L-481"><a href="#L-481"><span class="linenos">481</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">weeks</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> -</span><span id="L-482"><a href="#L-482"><span class="linenos">482</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"day"</span><span class="p">:</span> -</span><span id="L-483"><a href="#L-483"><span class="linenos">483</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">days</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> -</span><span id="L-484"><a href="#L-484"><span class="linenos">484</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="L-485"><a href="#L-485"><span class="linenos">485</span></a> -</span><span id="L-486"><a href="#L-486"><span class="linenos">486</span></a> -</span><span id="L-487"><a href="#L-487"><span class="linenos">487</span></a><span class="k">def</span> <span class="nf">date_literal</span><span class="p">(</span><span class="n">date</span><span class="p">):</span> -</span><span id="L-488"><a href="#L-488"><span class="linenos">488</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span> -</span><span id="L-489"><a href="#L-489"><span class="linenos">489</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">date</span><span class="p">),</span> -</span><span id="L-490"><a href="#L-490"><span class="linenos">490</span></a> <span class="s2">"DATETIME"</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">date</span><span class="p">,</span> <span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"DATE"</span><span class="p">,</span> -</span><span id="L-491"><a href="#L-491"><span class="linenos">491</span></a> <span class="p">)</span> -</span><span id="L-492"><a href="#L-492"><span class="linenos">492</span></a> -</span><span id="L-493"><a href="#L-493"><span class="linenos">493</span></a> -</span><span id="L-494"><a href="#L-494"><span class="linenos">494</span></a><span class="k">def</span> <span class="nf">boolean_literal</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="L-495"><a href="#L-495"><span class="linenos">495</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">condition</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> -</span><span id="L-496"><a href="#L-496"><span class="linenos">496</span></a> -</span><span id="L-497"><a href="#L-497"><span class="linenos">497</span></a> -</span><span id="L-498"><a href="#L-498"><span class="linenos">498</span></a><span class="k">def</span> <span class="nf">_flat_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">simplifier</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="L-499"><a href="#L-499"><span class="linenos">499</span></a> <span class="k">if</span> <span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">:</span> -</span><span id="L-500"><a href="#L-500"><span class="linenos">500</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-501"><a href="#L-501"><span class="linenos">501</span></a> <span class="n">queue</span> <span class="o">=</span> <span class="n">deque</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">(</span><span class="n">unnest</span><span class="o">=</span><span class="kc">False</span><span class="p">))</span> -</span><span id="L-502"><a href="#L-502"><span class="linenos">502</span></a> <span class="n">size</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">queue</span><span class="p">)</span> -</span><span id="L-503"><a href="#L-503"><span class="linenos">503</span></a> -</span><span id="L-504"><a href="#L-504"><span class="linenos">504</span></a> <span class="k">while</span> <span class="n">queue</span><span class="p">:</span> -</span><span id="L-505"><a href="#L-505"><span class="linenos">505</span></a> <span class="n">a</span> <span class="o">=</span> <span class="n">queue</span><span class="o">.</span><span class="n">popleft</span><span class="p">()</span> -</span><span id="L-506"><a href="#L-506"><span class="linenos">506</span></a> -</span><span id="L-507"><a href="#L-507"><span class="linenos">507</span></a> <span class="k">for</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">queue</span><span class="p">:</span> -</span><span id="L-508"><a href="#L-508"><span class="linenos">508</span></a> <span class="n">result</span> <span class="o">=</span> <span class="n">simplifier</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span> -</span><span id="L-509"><a href="#L-509"><span class="linenos">509</span></a> -</span><span id="L-510"><a href="#L-510"><span class="linenos">510</span></a> <span class="k">if</span> <span class="n">result</span><span class="p">:</span> -</span><span id="L-511"><a href="#L-511"><span class="linenos">511</span></a> <span class="n">queue</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">b</span><span class="p">)</span> -</span><span id="L-512"><a href="#L-512"><span class="linenos">512</span></a> <span class="n">queue</span><span class="o">.</span><span class="n">appendleft</span><span class="p">(</span><span class="n">result</span><span class="p">)</span> -</span><span id="L-513"><a href="#L-513"><span class="linenos">513</span></a> <span class="k">break</span> -</span><span id="L-514"><a href="#L-514"><span class="linenos">514</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-515"><a href="#L-515"><span class="linenos">515</span></a> <span class="n">operands</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> -</span><span id="L-516"><a href="#L-516"><span class="linenos">516</span></a> -</span><span id="L-517"><a href="#L-517"><span class="linenos">517</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">operands</span><span class="p">)</span> <span class="o"><</span> <span class="n">size</span><span class="p">:</span> -</span><span id="L-518"><a href="#L-518"><span class="linenos">518</span></a> <span class="k">return</span> <span class="n">functools</span><span class="o">.</span><span class="n">reduce</span><span class="p">(</span> -</span><span id="L-519"><a href="#L-519"><span class="linenos">519</span></a> <span class="k">lambda</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">:</span> <span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">a</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">b</span><span class="p">),</span> <span class="n">operands</span> -</span><span id="L-520"><a href="#L-520"><span class="linenos">520</span></a> <span class="p">)</span> -</span><span id="L-521"><a href="#L-521"><span class="linenos">521</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> +</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> +</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a><span class="k">def</span> <span class="nf">simplify_parens</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> +</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> +</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="n">parent</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span> +</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> +</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span> +</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">))</span> +</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="ow">or</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span> +</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)</span> +</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="ow">or</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">))</span> +</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="ow">or</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Mul</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Mul</span><span class="p">))</span> +</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="p">):</span> +</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> +</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> +</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a><span class="k">def</span> <span class="nf">remove_where_true</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="k">for</span> <span class="n">where</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">):</span> +</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> +</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="n">where</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"where"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span> +</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="n">always_true</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">))</span> +</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"using"</span><span class="p">)</span> +</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"method"</span><span class="p">)</span> +</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="p">):</span> +</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"on"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"side"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"kind"</span><span class="p">,</span> <span class="s2">"CROSS"</span><span class="p">)</span> +</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> +</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a> +</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a><span class="k">def</span> <span class="nf">always_true</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="L-424"><a href="#L-424"><span class="linenos">424</span></a> <span class="k">return</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">isinstance</span><span class="p">(</span> +</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a> <span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span> +</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a> <span class="p">)</span> +</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a> +</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a> +</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a><span class="k">def</span> <span class="nf">is_complement</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> +</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a> <span class="k">return</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">)</span> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">a</span> +</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a> +</span><span id="L-432"><a href="#L-432"><span class="linenos">432</span></a> +</span><span id="L-433"><a href="#L-433"><span class="linenos">433</span></a><span class="k">def</span> <span class="nf">is_false</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="L-434"><a href="#L-434"><span class="linenos">434</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="ow">is</span> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">a</span><span class="o">.</span><span class="n">this</span> +</span><span id="L-435"><a href="#L-435"><span class="linenos">435</span></a> +</span><span id="L-436"><a href="#L-436"><span class="linenos">436</span></a> +</span><span id="L-437"><a href="#L-437"><span class="linenos">437</span></a><span class="k">def</span> <span class="nf">is_null</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="L-438"><a href="#L-438"><span class="linenos">438</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="ow">is</span> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span> +</span><span id="L-439"><a href="#L-439"><span class="linenos">439</span></a> +</span><span id="L-440"><a href="#L-440"><span class="linenos">440</span></a> +</span><span id="L-441"><a href="#L-441"><span class="linenos">441</span></a><span class="k">def</span> <span class="nf">eval_boolean</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> +</span><span id="L-442"><a href="#L-442"><span class="linenos">442</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">)):</span> +</span><span id="L-443"><a href="#L-443"><span class="linenos">443</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">==</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-444"><a href="#L-444"><span class="linenos">444</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">):</span> +</span><span id="L-445"><a href="#L-445"><span class="linenos">445</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">!=</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-446"><a href="#L-446"><span class="linenos">446</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">):</span> +</span><span id="L-447"><a href="#L-447"><span class="linenos">447</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">></span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-448"><a href="#L-448"><span class="linenos">448</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">):</span> +</span><span id="L-449"><a href="#L-449"><span class="linenos">449</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">>=</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-450"><a href="#L-450"><span class="linenos">450</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">):</span> +</span><span id="L-451"><a href="#L-451"><span class="linenos">451</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o"><</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-452"><a href="#L-452"><span class="linenos">452</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">):</span> +</span><span id="L-453"><a href="#L-453"><span class="linenos">453</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o"><=</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-454"><a href="#L-454"><span class="linenos">454</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-455"><a href="#L-455"><span class="linenos">455</span></a> +</span><span id="L-456"><a href="#L-456"><span class="linenos">456</span></a> +</span><span id="L-457"><a href="#L-457"><span class="linenos">457</span></a><span class="k">def</span> <span class="nf">extract_date</span><span class="p">(</span><span class="n">cast</span><span class="p">):</span> +</span><span id="L-458"><a href="#L-458"><span class="linenos">458</span></a> <span class="c1"># The "fromisoformat" conversion could fail if the cast is used on an identifier,</span> +</span><span id="L-459"><a href="#L-459"><span class="linenos">459</span></a> <span class="c1"># so in that case we can't extract the date.</span> +</span><span id="L-460"><a href="#L-460"><span class="linenos">460</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="L-461"><a href="#L-461"><span class="linenos">461</span></a> <span class="k">if</span> <span class="n">cast</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">:</span> +</span><span id="L-462"><a href="#L-462"><span class="linenos">462</span></a> <span class="k">return</span> <span class="n">datetime</span><span class="o">.</span><span class="n">date</span><span class="o">.</span><span class="n">fromisoformat</span><span class="p">(</span><span class="n">cast</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-463"><a href="#L-463"><span class="linenos">463</span></a> <span class="k">if</span> <span class="n">cast</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">:</span> +</span><span id="L-464"><a href="#L-464"><span class="linenos">464</span></a> <span class="k">return</span> <span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="o">.</span><span class="n">fromisoformat</span><span class="p">(</span><span class="n">cast</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-465"><a href="#L-465"><span class="linenos">465</span></a> <span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span> +</span><span id="L-466"><a href="#L-466"><span class="linenos">466</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-467"><a href="#L-467"><span class="linenos">467</span></a> +</span><span id="L-468"><a href="#L-468"><span class="linenos">468</span></a> +</span><span id="L-469"><a href="#L-469"><span class="linenos">469</span></a><span class="k">def</span> <span class="nf">extract_interval</span><span class="p">(</span><span class="n">interval</span><span class="p">):</span> +</span><span id="L-470"><a href="#L-470"><span class="linenos">470</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="L-471"><a href="#L-471"><span class="linenos">471</span></a> <span class="kn">from</span> <span class="nn">dateutil.relativedelta</span> <span class="kn">import</span> <span class="n">relativedelta</span> <span class="c1"># type: ignore</span> +</span><span id="L-472"><a href="#L-472"><span class="linenos">472</span></a> <span class="k">except</span> <span class="ne">ModuleNotFoundError</span><span class="p">:</span> +</span><span id="L-473"><a href="#L-473"><span class="linenos">473</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-474"><a href="#L-474"><span class="linenos">474</span></a> +</span><span id="L-475"><a href="#L-475"><span class="linenos">475</span></a> <span class="n">n</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">interval</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="L-476"><a href="#L-476"><span class="linenos">476</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">interval</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> +</span><span id="L-477"><a href="#L-477"><span class="linenos">477</span></a> +</span><span id="L-478"><a href="#L-478"><span class="linenos">478</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"year"</span><span class="p">:</span> +</span><span id="L-479"><a href="#L-479"><span class="linenos">479</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">years</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> +</span><span id="L-480"><a href="#L-480"><span class="linenos">480</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"month"</span><span class="p">:</span> +</span><span id="L-481"><a href="#L-481"><span class="linenos">481</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">months</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> +</span><span id="L-482"><a href="#L-482"><span class="linenos">482</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"week"</span><span class="p">:</span> +</span><span id="L-483"><a href="#L-483"><span class="linenos">483</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">weeks</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> +</span><span id="L-484"><a href="#L-484"><span class="linenos">484</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"day"</span><span class="p">:</span> +</span><span id="L-485"><a href="#L-485"><span class="linenos">485</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">days</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> +</span><span id="L-486"><a href="#L-486"><span class="linenos">486</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-487"><a href="#L-487"><span class="linenos">487</span></a> +</span><span id="L-488"><a href="#L-488"><span class="linenos">488</span></a> +</span><span id="L-489"><a href="#L-489"><span class="linenos">489</span></a><span class="k">def</span> <span class="nf">date_literal</span><span class="p">(</span><span class="n">date</span><span class="p">):</span> +</span><span id="L-490"><a href="#L-490"><span class="linenos">490</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span> +</span><span id="L-491"><a href="#L-491"><span class="linenos">491</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">date</span><span class="p">),</span> +</span><span id="L-492"><a href="#L-492"><span class="linenos">492</span></a> <span class="s2">"DATETIME"</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">date</span><span class="p">,</span> <span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"DATE"</span><span class="p">,</span> +</span><span id="L-493"><a href="#L-493"><span class="linenos">493</span></a> <span class="p">)</span> +</span><span id="L-494"><a href="#L-494"><span class="linenos">494</span></a> +</span><span id="L-495"><a href="#L-495"><span class="linenos">495</span></a> +</span><span id="L-496"><a href="#L-496"><span class="linenos">496</span></a><span class="k">def</span> <span class="nf">boolean_literal</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> +</span><span id="L-497"><a href="#L-497"><span class="linenos">497</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">condition</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> +</span><span id="L-498"><a href="#L-498"><span class="linenos">498</span></a> +</span><span id="L-499"><a href="#L-499"><span class="linenos">499</span></a> +</span><span id="L-500"><a href="#L-500"><span class="linenos">500</span></a><span class="k">def</span> <span class="nf">_flat_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">simplifier</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> +</span><span id="L-501"><a href="#L-501"><span class="linenos">501</span></a> <span class="k">if</span> <span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">:</span> +</span><span id="L-502"><a href="#L-502"><span class="linenos">502</span></a> <span class="n">operands</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-503"><a href="#L-503"><span class="linenos">503</span></a> <span class="n">queue</span> <span class="o">=</span> <span class="n">deque</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">(</span><span class="n">unnest</span><span class="o">=</span><span class="kc">False</span><span class="p">))</span> +</span><span id="L-504"><a href="#L-504"><span class="linenos">504</span></a> <span class="n">size</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">queue</span><span class="p">)</span> +</span><span id="L-505"><a href="#L-505"><span class="linenos">505</span></a> +</span><span id="L-506"><a href="#L-506"><span class="linenos">506</span></a> <span class="k">while</span> <span class="n">queue</span><span class="p">:</span> +</span><span id="L-507"><a href="#L-507"><span class="linenos">507</span></a> <span class="n">a</span> <span class="o">=</span> <span class="n">queue</span><span class="o">.</span><span class="n">popleft</span><span class="p">()</span> +</span><span id="L-508"><a href="#L-508"><span class="linenos">508</span></a> +</span><span id="L-509"><a href="#L-509"><span class="linenos">509</span></a> <span class="k">for</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">queue</span><span class="p">:</span> +</span><span id="L-510"><a href="#L-510"><span class="linenos">510</span></a> <span class="n">result</span> <span class="o">=</span> <span class="n">simplifier</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">)</span> +</span><span id="L-511"><a href="#L-511"><span class="linenos">511</span></a> +</span><span id="L-512"><a href="#L-512"><span class="linenos">512</span></a> <span class="k">if</span> <span class="n">result</span><span class="p">:</span> +</span><span id="L-513"><a href="#L-513"><span class="linenos">513</span></a> <span class="n">queue</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">b</span><span class="p">)</span> +</span><span id="L-514"><a href="#L-514"><span class="linenos">514</span></a> <span class="n">queue</span><span class="o">.</span><span class="n">appendleft</span><span class="p">(</span><span class="n">result</span><span class="p">)</span> +</span><span id="L-515"><a href="#L-515"><span class="linenos">515</span></a> <span class="k">break</span> +</span><span id="L-516"><a href="#L-516"><span class="linenos">516</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-517"><a href="#L-517"><span class="linenos">517</span></a> <span class="n">operands</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> +</span><span id="L-518"><a href="#L-518"><span class="linenos">518</span></a> +</span><span id="L-519"><a href="#L-519"><span class="linenos">519</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">operands</span><span class="p">)</span> <span class="o"><</span> <span class="n">size</span><span class="p">:</span> +</span><span id="L-520"><a href="#L-520"><span class="linenos">520</span></a> <span class="k">return</span> <span class="n">functools</span><span class="o">.</span><span class="n">reduce</span><span class="p">(</span> +</span><span id="L-521"><a href="#L-521"><span class="linenos">521</span></a> <span class="k">lambda</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">:</span> <span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">a</span><span class="p">,</span> <span class="n">expression</span><span class="o">=</span><span class="n">b</span><span class="p">),</span> <span class="n">operands</span> +</span><span id="L-522"><a href="#L-522"><span class="linenos">522</span></a> <span class="p">)</span> +</span><span id="L-523"><a href="#L-523"><span class="linenos">523</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -680,25 +682,27 @@ </span><span id="simplify-29"><a href="#simplify-29"><span class="linenos">29</span></a> <span class="n">generate</span> <span class="o">=</span> <span class="n">cached_generator</span><span class="p">()</span> </span><span id="simplify-30"><a href="#simplify-30"><span class="linenos">30</span></a> </span><span id="simplify-31"><a href="#simplify-31"><span class="linenos">31</span></a> <span class="k">def</span> <span class="nf">_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="simplify-32"><a href="#simplify-32"><span class="linenos">32</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">expression</span> -</span><span id="simplify-33"><a href="#simplify-33"><span class="linenos">33</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">rewrite_between</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> -</span><span id="simplify-34"><a href="#simplify-34"><span class="linenos">34</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">uniq_sort</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">generate</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="simplify-35"><a href="#simplify-35"><span class="linenos">35</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">absorb_and_eliminate</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="simplify-36"><a href="#simplify-36"><span class="linenos">36</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">replace_children</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="k">lambda</span> <span class="n">e</span><span class="p">:</span> <span class="n">_simplify</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="kc">False</span><span class="p">))</span> -</span><span id="simplify-37"><a href="#simplify-37"><span class="linenos">37</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_not</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> -</span><span id="simplify-38"><a href="#simplify-38"><span class="linenos">38</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">flatten</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> -</span><span id="simplify-39"><a href="#simplify-39"><span class="linenos">39</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_connectors</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="simplify-40"><a href="#simplify-40"><span class="linenos">40</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">remove_compliments</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="simplify-41"><a href="#simplify-41"><span class="linenos">41</span></a> <span class="n">node</span><span class="o">.</span><span class="n">parent</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span> -</span><span id="simplify-42"><a href="#simplify-42"><span class="linenos">42</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_literals</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="simplify-43"><a href="#simplify-43"><span class="linenos">43</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_parens</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> -</span><span id="simplify-44"><a href="#simplify-44"><span class="linenos">44</span></a> <span class="k">if</span> <span class="n">root</span><span class="p">:</span> -</span><span id="simplify-45"><a href="#simplify-45"><span class="linenos">45</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> -</span><span id="simplify-46"><a href="#simplify-46"><span class="linenos">46</span></a> <span class="k">return</span> <span class="n">node</span> -</span><span id="simplify-47"><a href="#simplify-47"><span class="linenos">47</span></a> -</span><span id="simplify-48"><a href="#simplify-48"><span class="linenos">48</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">while_changing</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify</span><span class="p">)</span> -</span><span id="simplify-49"><a href="#simplify-49"><span class="linenos">49</span></a> <span class="n">remove_where_true</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> -</span><span id="simplify-50"><a href="#simplify-50"><span class="linenos">50</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="simplify-32"><a href="#simplify-32"><span class="linenos">32</span></a> <span class="k">if</span> <span class="n">expression</span><span class="o">.</span><span class="n">meta</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"final"</span><span class="p">):</span> +</span><span id="simplify-33"><a href="#simplify-33"><span class="linenos">33</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="simplify-34"><a href="#simplify-34"><span class="linenos">34</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">expression</span> +</span><span id="simplify-35"><a href="#simplify-35"><span class="linenos">35</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">rewrite_between</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="simplify-36"><a href="#simplify-36"><span class="linenos">36</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">uniq_sort</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">generate</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="simplify-37"><a href="#simplify-37"><span class="linenos">37</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">absorb_and_eliminate</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="simplify-38"><a href="#simplify-38"><span class="linenos">38</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">replace_children</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="k">lambda</span> <span class="n">e</span><span class="p">:</span> <span class="n">_simplify</span><span class="p">(</span><span class="n">e</span><span class="p">,</span> <span class="kc">False</span><span class="p">))</span> +</span><span id="simplify-39"><a href="#simplify-39"><span class="linenos">39</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_not</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="simplify-40"><a href="#simplify-40"><span class="linenos">40</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">flatten</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="simplify-41"><a href="#simplify-41"><span class="linenos">41</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_connectors</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="simplify-42"><a href="#simplify-42"><span class="linenos">42</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">remove_compliments</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="simplify-43"><a href="#simplify-43"><span class="linenos">43</span></a> <span class="n">node</span><span class="o">.</span><span class="n">parent</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span> +</span><span id="simplify-44"><a href="#simplify-44"><span class="linenos">44</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_literals</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="simplify-45"><a href="#simplify-45"><span class="linenos">45</span></a> <span class="n">node</span> <span class="o">=</span> <span class="n">simplify_parens</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="simplify-46"><a href="#simplify-46"><span class="linenos">46</span></a> <span class="k">if</span> <span class="n">root</span><span class="p">:</span> +</span><span id="simplify-47"><a href="#simplify-47"><span class="linenos">47</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">node</span><span class="p">)</span> +</span><span id="simplify-48"><a href="#simplify-48"><span class="linenos">48</span></a> <span class="k">return</span> <span class="n">node</span> +</span><span id="simplify-49"><a href="#simplify-49"><span class="linenos">49</span></a> +</span><span id="simplify-50"><a href="#simplify-50"><span class="linenos">50</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">while_changing</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify</span><span class="p">)</span> +</span><span id="simplify-51"><a href="#simplify-51"><span class="linenos">51</span></a> <span class="n">remove_where_true</span><span class="p">(</span><span class="n">expression</span><span class="p">)</span> +</span><span id="simplify-52"><a href="#simplify-52"><span class="linenos">52</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -742,18 +746,18 @@ </div> <a class="headerlink" href="#rewrite_between"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="rewrite_between-53"><a href="#rewrite_between-53"><span class="linenos">53</span></a><span class="k">def</span> <span class="nf">rewrite_between</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> -</span><span id="rewrite_between-54"><a href="#rewrite_between-54"><span class="linenos">54</span></a><span class="w"> </span><span class="sd">"""Rewrite x between y and z to x >= y AND x <= z.</span> -</span><span id="rewrite_between-55"><a href="#rewrite_between-55"><span class="linenos">55</span></a> -</span><span id="rewrite_between-56"><a href="#rewrite_between-56"><span class="linenos">56</span></a><span class="sd"> This is done because comparison simplification is only done on lt/lte/gt/gte.</span> -</span><span id="rewrite_between-57"><a href="#rewrite_between-57"><span class="linenos">57</span></a><span class="sd"> """</span> -</span><span id="rewrite_between-58"><a href="#rewrite_between-58"><span class="linenos">58</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">):</span> -</span><span id="rewrite_between-59"><a href="#rewrite_between-59"><span class="linenos">59</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span> -</span><span id="rewrite_between-60"><a href="#rewrite_between-60"><span class="linenos">60</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"low"</span><span class="p">]),</span> -</span><span id="rewrite_between-61"><a href="#rewrite_between-61"><span class="linenos">61</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"high"</span><span class="p">]),</span> -</span><span id="rewrite_between-62"><a href="#rewrite_between-62"><span class="linenos">62</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> -</span><span id="rewrite_between-63"><a href="#rewrite_between-63"><span class="linenos">63</span></a> <span class="p">)</span> -</span><span id="rewrite_between-64"><a href="#rewrite_between-64"><span class="linenos">64</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="rewrite_between-55"><a href="#rewrite_between-55"><span class="linenos">55</span></a><span class="k">def</span> <span class="nf">rewrite_between</span><span class="p">(</span><span class="n">expression</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">:</span> +</span><span id="rewrite_between-56"><a href="#rewrite_between-56"><span class="linenos">56</span></a><span class="w"> </span><span class="sd">"""Rewrite x between y and z to x >= y AND x <= z.</span> +</span><span id="rewrite_between-57"><a href="#rewrite_between-57"><span class="linenos">57</span></a> +</span><span id="rewrite_between-58"><a href="#rewrite_between-58"><span class="linenos">58</span></a><span class="sd"> This is done because comparison simplification is only done on lt/lte/gt/gte.</span> +</span><span id="rewrite_between-59"><a href="#rewrite_between-59"><span class="linenos">59</span></a><span class="sd"> """</span> +</span><span id="rewrite_between-60"><a href="#rewrite_between-60"><span class="linenos">60</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Between</span><span class="p">):</span> +</span><span id="rewrite_between-61"><a href="#rewrite_between-61"><span class="linenos">61</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span> +</span><span id="rewrite_between-62"><a href="#rewrite_between-62"><span class="linenos">62</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"low"</span><span class="p">]),</span> +</span><span id="rewrite_between-63"><a href="#rewrite_between-63"><span class="linenos">63</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">(</span><span class="n">this</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="n">expression</span><span class="o">=</span><span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"high"</span><span class="p">]),</span> +</span><span id="rewrite_between-64"><a href="#rewrite_between-64"><span class="linenos">64</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="rewrite_between-65"><a href="#rewrite_between-65"><span class="linenos">65</span></a> <span class="p">)</span> +</span><span id="rewrite_between-66"><a href="#rewrite_between-66"><span class="linenos">66</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -775,40 +779,40 @@ </div> <a class="headerlink" href="#simplify_not"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="simplify_not-67"><a href="#simplify_not-67"><span class="linenos"> 67</span></a><span class="k">def</span> <span class="nf">simplify_not</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="simplify_not-68"><a href="#simplify_not-68"><span class="linenos"> 68</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="simplify_not-69"><a href="#simplify_not-69"><span class="linenos"> 69</span></a><span class="sd"> Demorgan's Law</span> -</span><span id="simplify_not-70"><a href="#simplify_not-70"><span class="linenos"> 70</span></a><span class="sd"> NOT (x OR y) -> NOT x AND NOT y</span> -</span><span id="simplify_not-71"><a href="#simplify_not-71"><span class="linenos"> 71</span></a><span class="sd"> NOT (x AND y) -> NOT x OR NOT y</span> -</span><span id="simplify_not-72"><a href="#simplify_not-72"><span class="linenos"> 72</span></a><span class="sd"> """</span> -</span><span id="simplify_not-73"><a href="#simplify_not-73"><span class="linenos"> 73</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span> -</span><span id="simplify_not-74"><a href="#simplify_not-74"><span class="linenos"> 74</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> -</span><span id="simplify_not-75"><a href="#simplify_not-75"><span class="linenos"> 75</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> -</span><span id="simplify_not-76"><a href="#simplify_not-76"><span class="linenos"> 76</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> -</span><span id="simplify_not-77"><a href="#simplify_not-77"><span class="linenos"> 77</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span> -</span><span id="simplify_not-78"><a href="#simplify_not-78"><span class="linenos"> 78</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">):</span> -</span><span id="simplify_not-79"><a href="#simplify_not-79"><span class="linenos"> 79</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span><span class="p">(</span> -</span><span id="simplify_not-80"><a href="#simplify_not-80"><span class="linenos"> 80</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> -</span><span id="simplify_not-81"><a href="#simplify_not-81"><span class="linenos"> 81</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> -</span><span id="simplify_not-82"><a href="#simplify_not-82"><span class="linenos"> 82</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> -</span><span id="simplify_not-83"><a href="#simplify_not-83"><span class="linenos"> 83</span></a> <span class="p">)</span> -</span><span id="simplify_not-84"><a href="#simplify_not-84"><span class="linenos"> 84</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">):</span> -</span><span id="simplify_not-85"><a href="#simplify_not-85"><span class="linenos"> 85</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span> -</span><span id="simplify_not-86"><a href="#simplify_not-86"><span class="linenos"> 86</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> -</span><span id="simplify_not-87"><a href="#simplify_not-87"><span class="linenos"> 87</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> -</span><span id="simplify_not-88"><a href="#simplify_not-88"><span class="linenos"> 88</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> -</span><span id="simplify_not-89"><a href="#simplify_not-89"><span class="linenos"> 89</span></a> <span class="p">)</span> -</span><span id="simplify_not-90"><a href="#simplify_not-90"><span class="linenos"> 90</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="simplify_not-91"><a href="#simplify_not-91"><span class="linenos"> 91</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> -</span><span id="simplify_not-92"><a href="#simplify_not-92"><span class="linenos"> 92</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> -</span><span id="simplify_not-93"><a href="#simplify_not-93"><span class="linenos"> 93</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> -</span><span id="simplify_not-94"><a href="#simplify_not-94"><span class="linenos"> 94</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> -</span><span id="simplify_not-95"><a href="#simplify_not-95"><span class="linenos"> 95</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> -</span><span id="simplify_not-96"><a href="#simplify_not-96"><span class="linenos"> 96</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span> -</span><span id="simplify_not-97"><a href="#simplify_not-97"><span class="linenos"> 97</span></a> <span class="c1"># double negation</span> -</span><span id="simplify_not-98"><a href="#simplify_not-98"><span class="linenos"> 98</span></a> <span class="c1"># NOT NOT x -> x</span> -</span><span id="simplify_not-99"><a href="#simplify_not-99"><span class="linenos"> 99</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span> -</span><span id="simplify_not-100"><a href="#simplify_not-100"><span class="linenos">100</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="simplify_not-69"><a href="#simplify_not-69"><span class="linenos"> 69</span></a><span class="k">def</span> <span class="nf">simplify_not</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="simplify_not-70"><a href="#simplify_not-70"><span class="linenos"> 70</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="simplify_not-71"><a href="#simplify_not-71"><span class="linenos"> 71</span></a><span class="sd"> Demorgan's Law</span> +</span><span id="simplify_not-72"><a href="#simplify_not-72"><span class="linenos"> 72</span></a><span class="sd"> NOT (x OR y) -> NOT x AND NOT y</span> +</span><span id="simplify_not-73"><a href="#simplify_not-73"><span class="linenos"> 73</span></a><span class="sd"> NOT (x AND y) -> NOT x OR NOT y</span> +</span><span id="simplify_not-74"><a href="#simplify_not-74"><span class="linenos"> 74</span></a><span class="sd"> """</span> +</span><span id="simplify_not-75"><a href="#simplify_not-75"><span class="linenos"> 75</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span> +</span><span id="simplify_not-76"><a href="#simplify_not-76"><span class="linenos"> 76</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> +</span><span id="simplify_not-77"><a href="#simplify_not-77"><span class="linenos"> 77</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> +</span><span id="simplify_not-78"><a href="#simplify_not-78"><span class="linenos"> 78</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> +</span><span id="simplify_not-79"><a href="#simplify_not-79"><span class="linenos"> 79</span></a> <span class="n">condition</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span> +</span><span id="simplify_not-80"><a href="#simplify_not-80"><span class="linenos"> 80</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">):</span> +</span><span id="simplify_not-81"><a href="#simplify_not-81"><span class="linenos"> 81</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span><span class="p">(</span> +</span><span id="simplify_not-82"><a href="#simplify_not-82"><span class="linenos"> 82</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> +</span><span id="simplify_not-83"><a href="#simplify_not-83"><span class="linenos"> 83</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> +</span><span id="simplify_not-84"><a href="#simplify_not-84"><span class="linenos"> 84</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="simplify_not-85"><a href="#simplify_not-85"><span class="linenos"> 85</span></a> <span class="p">)</span> +</span><span id="simplify_not-86"><a href="#simplify_not-86"><span class="linenos"> 86</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">):</span> +</span><span id="simplify_not-87"><a href="#simplify_not-87"><span class="linenos"> 87</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span><span class="p">(</span> +</span><span id="simplify_not-88"><a href="#simplify_not-88"><span class="linenos"> 88</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">left</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> +</span><span id="simplify_not-89"><a href="#simplify_not-89"><span class="linenos"> 89</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">not_</span><span class="p">(</span><span class="n">condition</span><span class="o">.</span><span class="n">right</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">),</span> +</span><span id="simplify_not-90"><a href="#simplify_not-90"><span class="linenos"> 90</span></a> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> +</span><span id="simplify_not-91"><a href="#simplify_not-91"><span class="linenos"> 91</span></a> <span class="p">)</span> +</span><span id="simplify_not-92"><a href="#simplify_not-92"><span class="linenos"> 92</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> +</span><span id="simplify_not-93"><a href="#simplify_not-93"><span class="linenos"> 93</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> +</span><span id="simplify_not-94"><a href="#simplify_not-94"><span class="linenos"> 94</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> +</span><span id="simplify_not-95"><a href="#simplify_not-95"><span class="linenos"> 95</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> +</span><span id="simplify_not-96"><a href="#simplify_not-96"><span class="linenos"> 96</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> +</span><span id="simplify_not-97"><a href="#simplify_not-97"><span class="linenos"> 97</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> +</span><span id="simplify_not-98"><a href="#simplify_not-98"><span class="linenos"> 98</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">):</span> +</span><span id="simplify_not-99"><a href="#simplify_not-99"><span class="linenos"> 99</span></a> <span class="c1"># double negation</span> +</span><span id="simplify_not-100"><a href="#simplify_not-100"><span class="linenos">100</span></a> <span class="c1"># NOT NOT x -> x</span> +</span><span id="simplify_not-101"><a href="#simplify_not-101"><span class="linenos">101</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="o">.</span><span class="n">this</span> +</span><span id="simplify_not-102"><a href="#simplify_not-102"><span class="linenos">102</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -830,17 +834,17 @@ NOT (x AND y) -> NOT x OR NOT y</p> </div> <a class="headerlink" href="#flatten"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="flatten-103"><a href="#flatten-103"><span class="linenos">103</span></a><span class="k">def</span> <span class="nf">flatten</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="flatten-104"><a href="#flatten-104"><span class="linenos">104</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="flatten-105"><a href="#flatten-105"><span class="linenos">105</span></a><span class="sd"> A AND (B AND C) -> A AND B AND C</span> -</span><span id="flatten-106"><a href="#flatten-106"><span class="linenos">106</span></a><span class="sd"> A OR (B OR C) -> A OR B OR C</span> -</span><span id="flatten-107"><a href="#flatten-107"><span class="linenos">107</span></a><span class="sd"> """</span> -</span><span id="flatten-108"><a href="#flatten-108"><span class="linenos">108</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> -</span><span id="flatten-109"><a href="#flatten-109"><span class="linenos">109</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> -</span><span id="flatten-110"><a href="#flatten-110"><span class="linenos">110</span></a> <span class="n">child</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span> -</span><span id="flatten-111"><a href="#flatten-111"><span class="linenos">111</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">child</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">):</span> -</span><span id="flatten-112"><a href="#flatten-112"><span class="linenos">112</span></a> <span class="n">node</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">child</span><span class="p">)</span> -</span><span id="flatten-113"><a href="#flatten-113"><span class="linenos">113</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="flatten-105"><a href="#flatten-105"><span class="linenos">105</span></a><span class="k">def</span> <span class="nf">flatten</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="flatten-106"><a href="#flatten-106"><span class="linenos">106</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="flatten-107"><a href="#flatten-107"><span class="linenos">107</span></a><span class="sd"> A AND (B AND C) -> A AND B AND C</span> +</span><span id="flatten-108"><a href="#flatten-108"><span class="linenos">108</span></a><span class="sd"> A OR (B OR C) -> A OR B OR C</span> +</span><span id="flatten-109"><a href="#flatten-109"><span class="linenos">109</span></a><span class="sd"> """</span> +</span><span id="flatten-110"><a href="#flatten-110"><span class="linenos">110</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> +</span><span id="flatten-111"><a href="#flatten-111"><span class="linenos">111</span></a> <span class="k">for</span> <span class="n">node</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">values</span><span class="p">():</span> +</span><span id="flatten-112"><a href="#flatten-112"><span class="linenos">112</span></a> <span class="n">child</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">unnest</span><span class="p">()</span> +</span><span id="flatten-113"><a href="#flatten-113"><span class="linenos">113</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">child</span><span class="p">,</span> <span class="n">expression</span><span class="o">.</span><span class="vm">__class__</span><span class="p">):</span> +</span><span id="flatten-114"><a href="#flatten-114"><span class="linenos">114</span></a> <span class="n">node</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">child</span><span class="p">)</span> +</span><span id="flatten-115"><a href="#flatten-115"><span class="linenos">115</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -861,42 +865,42 @@ A OR (B OR C) -> A OR B OR C</p> </div> <a class="headerlink" href="#simplify_connectors"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="simplify_connectors-116"><a href="#simplify_connectors-116"><span class="linenos">116</span></a><span class="k">def</span> <span class="nf">simplify_connectors</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="simplify_connectors-117"><a href="#simplify_connectors-117"><span class="linenos">117</span></a> <span class="k">def</span> <span class="nf">_simplify_connectors</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">):</span> -</span><span id="simplify_connectors-118"><a href="#simplify_connectors-118"><span class="linenos">118</span></a> <span class="k">if</span> <span class="n">left</span> <span class="o">==</span> <span class="n">right</span><span class="p">:</span> -</span><span id="simplify_connectors-119"><a href="#simplify_connectors-119"><span class="linenos">119</span></a> <span class="k">return</span> <span class="n">left</span> -</span><span id="simplify_connectors-120"><a href="#simplify_connectors-120"><span class="linenos">120</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">):</span> -</span><span id="simplify_connectors-121"><a href="#simplify_connectors-121"><span class="linenos">121</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="simplify_connectors-122"><a href="#simplify_connectors-122"><span class="linenos">122</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> -</span><span id="simplify_connectors-123"><a href="#simplify_connectors-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="simplify_connectors-124"><a href="#simplify_connectors-124"><span class="linenos">124</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> -</span><span id="simplify_connectors-125"><a href="#simplify_connectors-125"><span class="linenos">125</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="simplify_connectors-126"><a href="#simplify_connectors-126"><span class="linenos">126</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> -</span><span id="simplify_connectors-127"><a href="#simplify_connectors-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">):</span> -</span><span id="simplify_connectors-128"><a href="#simplify_connectors-128"><span class="linenos">128</span></a> <span class="k">return</span> <span class="n">right</span> -</span><span id="simplify_connectors-129"><a href="#simplify_connectors-129"><span class="linenos">129</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="simplify_connectors-130"><a href="#simplify_connectors-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="n">left</span> -</span><span id="simplify_connectors-131"><a href="#simplify_connectors-131"><span class="linenos">131</span></a> <span class="k">return</span> <span class="n">_simplify_comparison</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">)</span> -</span><span id="simplify_connectors-132"><a href="#simplify_connectors-132"><span class="linenos">132</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">):</span> -</span><span id="simplify_connectors-133"><a href="#simplify_connectors-133"><span class="linenos">133</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="simplify_connectors-134"><a href="#simplify_connectors-134"><span class="linenos">134</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> -</span><span id="simplify_connectors-135"><a href="#simplify_connectors-135"><span class="linenos">135</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="simplify_connectors-136"><a href="#simplify_connectors-136"><span class="linenos">136</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> -</span><span id="simplify_connectors-137"><a href="#simplify_connectors-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="simplify_connectors-138"><a href="#simplify_connectors-138"><span class="linenos">138</span></a> <span class="p">(</span><span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> -</span><span id="simplify_connectors-139"><a href="#simplify_connectors-139"><span class="linenos">139</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> -</span><span id="simplify_connectors-140"><a href="#simplify_connectors-140"><span class="linenos">140</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> -</span><span id="simplify_connectors-141"><a href="#simplify_connectors-141"><span class="linenos">141</span></a> <span class="p">):</span> -</span><span id="simplify_connectors-142"><a href="#simplify_connectors-142"><span class="linenos">142</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> -</span><span id="simplify_connectors-143"><a href="#simplify_connectors-143"><span class="linenos">143</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">):</span> -</span><span id="simplify_connectors-144"><a href="#simplify_connectors-144"><span class="linenos">144</span></a> <span class="k">return</span> <span class="n">right</span> -</span><span id="simplify_connectors-145"><a href="#simplify_connectors-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> -</span><span id="simplify_connectors-146"><a href="#simplify_connectors-146"><span class="linenos">146</span></a> <span class="k">return</span> <span class="n">left</span> -</span><span id="simplify_connectors-147"><a href="#simplify_connectors-147"><span class="linenos">147</span></a> <span class="k">return</span> <span class="n">_simplify_comparison</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">,</span> <span class="n">or_</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> -</span><span id="simplify_connectors-148"><a href="#simplify_connectors-148"><span class="linenos">148</span></a> -</span><span id="simplify_connectors-149"><a href="#simplify_connectors-149"><span class="linenos">149</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> -</span><span id="simplify_connectors-150"><a href="#simplify_connectors-150"><span class="linenos">150</span></a> <span class="k">return</span> <span class="n">_flat_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify_connectors</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="simplify_connectors-151"><a href="#simplify_connectors-151"><span class="linenos">151</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="simplify_connectors-118"><a href="#simplify_connectors-118"><span class="linenos">118</span></a><span class="k">def</span> <span class="nf">simplify_connectors</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> +</span><span id="simplify_connectors-119"><a href="#simplify_connectors-119"><span class="linenos">119</span></a> <span class="k">def</span> <span class="nf">_simplify_connectors</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">):</span> +</span><span id="simplify_connectors-120"><a href="#simplify_connectors-120"><span class="linenos">120</span></a> <span class="k">if</span> <span class="n">left</span> <span class="o">==</span> <span class="n">right</span><span class="p">:</span> +</span><span id="simplify_connectors-121"><a href="#simplify_connectors-121"><span class="linenos">121</span></a> <span class="k">return</span> <span class="n">left</span> +</span><span id="simplify_connectors-122"><a href="#simplify_connectors-122"><span class="linenos">122</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">):</span> +</span><span id="simplify_connectors-123"><a href="#simplify_connectors-123"><span class="linenos">123</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="simplify_connectors-124"><a href="#simplify_connectors-124"><span class="linenos">124</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> +</span><span id="simplify_connectors-125"><a href="#simplify_connectors-125"><span class="linenos">125</span></a> <span class="k">if</span> <span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="simplify_connectors-126"><a href="#simplify_connectors-126"><span class="linenos">126</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> +</span><span id="simplify_connectors-127"><a href="#simplify_connectors-127"><span class="linenos">127</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="simplify_connectors-128"><a href="#simplify_connectors-128"><span class="linenos">128</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> +</span><span id="simplify_connectors-129"><a href="#simplify_connectors-129"><span class="linenos">129</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">):</span> +</span><span id="simplify_connectors-130"><a href="#simplify_connectors-130"><span class="linenos">130</span></a> <span class="k">return</span> <span class="n">right</span> +</span><span id="simplify_connectors-131"><a href="#simplify_connectors-131"><span class="linenos">131</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="simplify_connectors-132"><a href="#simplify_connectors-132"><span class="linenos">132</span></a> <span class="k">return</span> <span class="n">left</span> +</span><span id="simplify_connectors-133"><a href="#simplify_connectors-133"><span class="linenos">133</span></a> <span class="k">return</span> <span class="n">_simplify_comparison</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">)</span> +</span><span id="simplify_connectors-134"><a href="#simplify_connectors-134"><span class="linenos">134</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span><span class="p">):</span> +</span><span id="simplify_connectors-135"><a href="#simplify_connectors-135"><span class="linenos">135</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">or</span> <span class="n">always_true</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="simplify_connectors-136"><a href="#simplify_connectors-136"><span class="linenos">136</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> +</span><span id="simplify_connectors-137"><a href="#simplify_connectors-137"><span class="linenos">137</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="simplify_connectors-138"><a href="#simplify_connectors-138"><span class="linenos">138</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> +</span><span id="simplify_connectors-139"><a href="#simplify_connectors-139"><span class="linenos">139</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="simplify_connectors-140"><a href="#simplify_connectors-140"><span class="linenos">140</span></a> <span class="p">(</span><span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> +</span><span id="simplify_connectors-141"><a href="#simplify_connectors-141"><span class="linenos">141</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">is_null</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> +</span><span id="simplify_connectors-142"><a href="#simplify_connectors-142"><span class="linenos">142</span></a> <span class="ow">or</span> <span class="p">(</span><span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">)</span> <span class="ow">and</span> <span class="n">is_null</span><span class="p">(</span><span class="n">right</span><span class="p">))</span> +</span><span id="simplify_connectors-143"><a href="#simplify_connectors-143"><span class="linenos">143</span></a> <span class="p">):</span> +</span><span id="simplify_connectors-144"><a href="#simplify_connectors-144"><span class="linenos">144</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">null</span><span class="p">()</span> +</span><span id="simplify_connectors-145"><a href="#simplify_connectors-145"><span class="linenos">145</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">left</span><span class="p">):</span> +</span><span id="simplify_connectors-146"><a href="#simplify_connectors-146"><span class="linenos">146</span></a> <span class="k">return</span> <span class="n">right</span> +</span><span id="simplify_connectors-147"><a href="#simplify_connectors-147"><span class="linenos">147</span></a> <span class="k">if</span> <span class="n">is_false</span><span class="p">(</span><span class="n">right</span><span class="p">):</span> +</span><span id="simplify_connectors-148"><a href="#simplify_connectors-148"><span class="linenos">148</span></a> <span class="k">return</span> <span class="n">left</span> +</span><span id="simplify_connectors-149"><a href="#simplify_connectors-149"><span class="linenos">149</span></a> <span class="k">return</span> <span class="n">_simplify_comparison</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">,</span> <span class="n">or_</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> +</span><span id="simplify_connectors-150"><a href="#simplify_connectors-150"><span class="linenos">150</span></a> +</span><span id="simplify_connectors-151"><a href="#simplify_connectors-151"><span class="linenos">151</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> +</span><span id="simplify_connectors-152"><a href="#simplify_connectors-152"><span class="linenos">152</span></a> <span class="k">return</span> <span class="n">_flat_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify_connectors</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="simplify_connectors-153"><a href="#simplify_connectors-153"><span class="linenos">153</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -964,20 +968,20 @@ A OR (B OR C) -> A OR B OR C</p> </div> <a class="headerlink" href="#remove_compliments"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="remove_compliments-233"><a href="#remove_compliments-233"><span class="linenos">233</span></a><span class="k">def</span> <span class="nf">remove_compliments</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="remove_compliments-234"><a href="#remove_compliments-234"><span class="linenos">234</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="remove_compliments-235"><a href="#remove_compliments-235"><span class="linenos">235</span></a><span class="sd"> Removing compliments.</span> -</span><span id="remove_compliments-236"><a href="#remove_compliments-236"><span class="linenos">236</span></a> -</span><span id="remove_compliments-237"><a href="#remove_compliments-237"><span class="linenos">237</span></a><span class="sd"> A AND NOT A -> FALSE</span> -</span><span id="remove_compliments-238"><a href="#remove_compliments-238"><span class="linenos">238</span></a><span class="sd"> A OR NOT A -> TRUE</span> -</span><span id="remove_compliments-239"><a href="#remove_compliments-239"><span class="linenos">239</span></a><span class="sd"> """</span> -</span><span id="remove_compliments-240"><a href="#remove_compliments-240"><span class="linenos">240</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> -</span><span id="remove_compliments-241"><a href="#remove_compliments-241"><span class="linenos">241</span></a> <span class="n">compliment</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> -</span><span id="remove_compliments-242"><a href="#remove_compliments-242"><span class="linenos">242</span></a> -</span><span id="remove_compliments-243"><a href="#remove_compliments-243"><span class="linenos">243</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">(),</span> <span class="mi">2</span><span class="p">):</span> -</span><span id="remove_compliments-244"><a href="#remove_compliments-244"><span class="linenos">244</span></a> <span class="k">if</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> -</span><span id="remove_compliments-245"><a href="#remove_compliments-245"><span class="linenos">245</span></a> <span class="k">return</span> <span class="n">compliment</span> -</span><span id="remove_compliments-246"><a href="#remove_compliments-246"><span class="linenos">246</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="remove_compliments-235"><a href="#remove_compliments-235"><span class="linenos">235</span></a><span class="k">def</span> <span class="nf">remove_compliments</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> +</span><span id="remove_compliments-236"><a href="#remove_compliments-236"><span class="linenos">236</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="remove_compliments-237"><a href="#remove_compliments-237"><span class="linenos">237</span></a><span class="sd"> Removing compliments.</span> +</span><span id="remove_compliments-238"><a href="#remove_compliments-238"><span class="linenos">238</span></a> +</span><span id="remove_compliments-239"><a href="#remove_compliments-239"><span class="linenos">239</span></a><span class="sd"> A AND NOT A -> FALSE</span> +</span><span id="remove_compliments-240"><a href="#remove_compliments-240"><span class="linenos">240</span></a><span class="sd"> A OR NOT A -> TRUE</span> +</span><span id="remove_compliments-241"><a href="#remove_compliments-241"><span class="linenos">241</span></a><span class="sd"> """</span> +</span><span id="remove_compliments-242"><a href="#remove_compliments-242"><span class="linenos">242</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> +</span><span id="remove_compliments-243"><a href="#remove_compliments-243"><span class="linenos">243</span></a> <span class="n">compliment</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> +</span><span id="remove_compliments-244"><a href="#remove_compliments-244"><span class="linenos">244</span></a> +</span><span id="remove_compliments-245"><a href="#remove_compliments-245"><span class="linenos">245</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">(),</span> <span class="mi">2</span><span class="p">):</span> +</span><span id="remove_compliments-246"><a href="#remove_compliments-246"><span class="linenos">246</span></a> <span class="k">if</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> +</span><span id="remove_compliments-247"><a href="#remove_compliments-247"><span class="linenos">247</span></a> <span class="k">return</span> <span class="n">compliment</span> +</span><span id="remove_compliments-248"><a href="#remove_compliments-248"><span class="linenos">248</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -1000,30 +1004,30 @@ A OR NOT A -> TRUE</p> </div> <a class="headerlink" href="#uniq_sort"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="uniq_sort-249"><a href="#uniq_sort-249"><span class="linenos">249</span></a><span class="k">def</span> <span class="nf">uniq_sort</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">generate</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="uniq_sort-250"><a href="#uniq_sort-250"><span class="linenos">250</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="uniq_sort-251"><a href="#uniq_sort-251"><span class="linenos">251</span></a><span class="sd"> Uniq and sort a connector.</span> -</span><span id="uniq_sort-252"><a href="#uniq_sort-252"><span class="linenos">252</span></a> -</span><span id="uniq_sort-253"><a href="#uniq_sort-253"><span class="linenos">253</span></a><span class="sd"> C AND A AND B AND B -> A AND B AND C</span> -</span><span id="uniq_sort-254"><a href="#uniq_sort-254"><span class="linenos">254</span></a><span class="sd"> """</span> -</span><span id="uniq_sort-255"><a href="#uniq_sort-255"><span class="linenos">255</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> -</span><span id="uniq_sort-256"><a href="#uniq_sort-256"><span class="linenos">256</span></a> <span class="n">result_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span> -</span><span id="uniq_sort-257"><a href="#uniq_sort-257"><span class="linenos">257</span></a> <span class="n">flattened</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">())</span> -</span><span id="uniq_sort-258"><a href="#uniq_sort-258"><span class="linenos">258</span></a> <span class="n">deduped</span> <span class="o">=</span> <span class="p">{</span><span class="n">generate</span><span class="p">(</span><span class="n">e</span><span class="p">):</span> <span class="n">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">flattened</span><span class="p">}</span> -</span><span id="uniq_sort-259"><a href="#uniq_sort-259"><span class="linenos">259</span></a> <span class="n">arr</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">deduped</span><span class="o">.</span><span class="n">items</span><span class="p">())</span> -</span><span id="uniq_sort-260"><a href="#uniq_sort-260"><span class="linenos">260</span></a> -</span><span id="uniq_sort-261"><a href="#uniq_sort-261"><span class="linenos">261</span></a> <span class="c1"># check if the operands are already sorted, if not sort them</span> -</span><span id="uniq_sort-262"><a href="#uniq_sort-262"><span class="linenos">262</span></a> <span class="c1"># A AND C AND B -> A AND B AND C</span> -</span><span id="uniq_sort-263"><a href="#uniq_sort-263"><span class="linenos">263</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">arr</span><span class="p">[</span><span class="mi">1</span><span class="p">:]):</span> -</span><span id="uniq_sort-264"><a href="#uniq_sort-264"><span class="linenos">264</span></a> <span class="k">if</span> <span class="n">sql</span> <span class="o"><</span> <span class="n">arr</span><span class="p">[</span><span class="n">i</span><span class="p">][</span><span class="mi">0</span><span class="p">]:</span> -</span><span id="uniq_sort-265"><a href="#uniq_sort-265"><span class="linenos">265</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">result_func</span><span class="p">(</span><span class="o">*</span><span class="p">(</span><span class="n">e</span> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">arr</span><span class="p">)),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="uniq_sort-266"><a href="#uniq_sort-266"><span class="linenos">266</span></a> <span class="k">break</span> -</span><span id="uniq_sort-267"><a href="#uniq_sort-267"><span class="linenos">267</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="uniq_sort-268"><a href="#uniq_sort-268"><span class="linenos">268</span></a> <span class="c1"># we didn't have to sort but maybe we need to dedup</span> -</span><span id="uniq_sort-269"><a href="#uniq_sort-269"><span class="linenos">269</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">deduped</span><span class="p">)</span> <span class="o"><</span> <span class="nb">len</span><span class="p">(</span><span class="n">flattened</span><span class="p">):</span> -</span><span id="uniq_sort-270"><a href="#uniq_sort-270"><span class="linenos">270</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">result_func</span><span class="p">(</span><span class="o">*</span><span class="n">deduped</span><span class="o">.</span><span class="n">values</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="uniq_sort-271"><a href="#uniq_sort-271"><span class="linenos">271</span></a> -</span><span id="uniq_sort-272"><a href="#uniq_sort-272"><span class="linenos">272</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="uniq_sort-251"><a href="#uniq_sort-251"><span class="linenos">251</span></a><span class="k">def</span> <span class="nf">uniq_sort</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">generate</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> +</span><span id="uniq_sort-252"><a href="#uniq_sort-252"><span class="linenos">252</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="uniq_sort-253"><a href="#uniq_sort-253"><span class="linenos">253</span></a><span class="sd"> Uniq and sort a connector.</span> +</span><span id="uniq_sort-254"><a href="#uniq_sort-254"><span class="linenos">254</span></a> +</span><span id="uniq_sort-255"><a href="#uniq_sort-255"><span class="linenos">255</span></a><span class="sd"> C AND A AND B AND B -> A AND B AND C</span> +</span><span id="uniq_sort-256"><a href="#uniq_sort-256"><span class="linenos">256</span></a><span class="sd"> """</span> +</span><span id="uniq_sort-257"><a href="#uniq_sort-257"><span class="linenos">257</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> +</span><span id="uniq_sort-258"><a href="#uniq_sort-258"><span class="linenos">258</span></a> <span class="n">result_func</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">and_</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">or_</span> +</span><span id="uniq_sort-259"><a href="#uniq_sort-259"><span class="linenos">259</span></a> <span class="n">flattened</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">())</span> +</span><span id="uniq_sort-260"><a href="#uniq_sort-260"><span class="linenos">260</span></a> <span class="n">deduped</span> <span class="o">=</span> <span class="p">{</span><span class="n">generate</span><span class="p">(</span><span class="n">e</span><span class="p">):</span> <span class="n">e</span> <span class="k">for</span> <span class="n">e</span> <span class="ow">in</span> <span class="n">flattened</span><span class="p">}</span> +</span><span id="uniq_sort-261"><a href="#uniq_sort-261"><span class="linenos">261</span></a> <span class="n">arr</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">deduped</span><span class="o">.</span><span class="n">items</span><span class="p">())</span> +</span><span id="uniq_sort-262"><a href="#uniq_sort-262"><span class="linenos">262</span></a> +</span><span id="uniq_sort-263"><a href="#uniq_sort-263"><span class="linenos">263</span></a> <span class="c1"># check if the operands are already sorted, if not sort them</span> +</span><span id="uniq_sort-264"><a href="#uniq_sort-264"><span class="linenos">264</span></a> <span class="c1"># A AND C AND B -> A AND B AND C</span> +</span><span id="uniq_sort-265"><a href="#uniq_sort-265"><span class="linenos">265</span></a> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">e</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">arr</span><span class="p">[</span><span class="mi">1</span><span class="p">:]):</span> +</span><span id="uniq_sort-266"><a href="#uniq_sort-266"><span class="linenos">266</span></a> <span class="k">if</span> <span class="n">sql</span> <span class="o"><</span> <span class="n">arr</span><span class="p">[</span><span class="n">i</span><span class="p">][</span><span class="mi">0</span><span class="p">]:</span> +</span><span id="uniq_sort-267"><a href="#uniq_sort-267"><span class="linenos">267</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">result_func</span><span class="p">(</span><span class="o">*</span><span class="p">(</span><span class="n">e</span> <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">sorted</span><span class="p">(</span><span class="n">arr</span><span class="p">)),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="uniq_sort-268"><a href="#uniq_sort-268"><span class="linenos">268</span></a> <span class="k">break</span> +</span><span id="uniq_sort-269"><a href="#uniq_sort-269"><span class="linenos">269</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="uniq_sort-270"><a href="#uniq_sort-270"><span class="linenos">270</span></a> <span class="c1"># we didn't have to sort but maybe we need to dedup</span> +</span><span id="uniq_sort-271"><a href="#uniq_sort-271"><span class="linenos">271</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">deduped</span><span class="p">)</span> <span class="o"><</span> <span class="nb">len</span><span class="p">(</span><span class="n">flattened</span><span class="p">):</span> +</span><span id="uniq_sort-272"><a href="#uniq_sort-272"><span class="linenos">272</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">result_func</span><span class="p">(</span><span class="o">*</span><span class="n">deduped</span><span class="o">.</span><span class="n">values</span><span class="p">(),</span> <span class="n">copy</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="uniq_sort-273"><a href="#uniq_sort-273"><span class="linenos">273</span></a> +</span><span id="uniq_sort-274"><a href="#uniq_sort-274"><span class="linenos">274</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -1045,44 +1049,44 @@ A OR NOT A -> TRUE</p> </div> <a class="headerlink" href="#absorb_and_eliminate"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="absorb_and_eliminate-275"><a href="#absorb_and_eliminate-275"><span class="linenos">275</span></a><span class="k">def</span> <span class="nf">absorb_and_eliminate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="absorb_and_eliminate-276"><a href="#absorb_and_eliminate-276"><span class="linenos">276</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="absorb_and_eliminate-277"><a href="#absorb_and_eliminate-277"><span class="linenos">277</span></a><span class="sd"> absorption:</span> -</span><span id="absorb_and_eliminate-278"><a href="#absorb_and_eliminate-278"><span class="linenos">278</span></a><span class="sd"> A AND (A OR B) -> A</span> -</span><span id="absorb_and_eliminate-279"><a href="#absorb_and_eliminate-279"><span class="linenos">279</span></a><span class="sd"> A OR (A AND B) -> A</span> -</span><span id="absorb_and_eliminate-280"><a href="#absorb_and_eliminate-280"><span class="linenos">280</span></a><span class="sd"> A AND (NOT A OR B) -> A AND B</span> -</span><span id="absorb_and_eliminate-281"><a href="#absorb_and_eliminate-281"><span class="linenos">281</span></a><span class="sd"> A OR (NOT A AND B) -> A OR B</span> -</span><span id="absorb_and_eliminate-282"><a href="#absorb_and_eliminate-282"><span class="linenos">282</span></a><span class="sd"> elimination:</span> -</span><span id="absorb_and_eliminate-283"><a href="#absorb_and_eliminate-283"><span class="linenos">283</span></a><span class="sd"> (A AND B) OR (A AND NOT B) -> A</span> -</span><span id="absorb_and_eliminate-284"><a href="#absorb_and_eliminate-284"><span class="linenos">284</span></a><span class="sd"> (A OR B) AND (A OR NOT B) -> A</span> -</span><span id="absorb_and_eliminate-285"><a href="#absorb_and_eliminate-285"><span class="linenos">285</span></a><span class="sd"> """</span> -</span><span id="absorb_and_eliminate-286"><a href="#absorb_and_eliminate-286"><span class="linenos">286</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> -</span><span id="absorb_and_eliminate-287"><a href="#absorb_and_eliminate-287"><span class="linenos">287</span></a> <span class="n">kind</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> -</span><span id="absorb_and_eliminate-288"><a href="#absorb_and_eliminate-288"><span class="linenos">288</span></a> -</span><span id="absorb_and_eliminate-289"><a href="#absorb_and_eliminate-289"><span class="linenos">289</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">(),</span> <span class="mi">2</span><span class="p">):</span> -</span><span id="absorb_and_eliminate-290"><a href="#absorb_and_eliminate-290"><span class="linenos">290</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">kind</span><span class="p">):</span> -</span><span id="absorb_and_eliminate-291"><a href="#absorb_and_eliminate-291"><span class="linenos">291</span></a> <span class="n">aa</span><span class="p">,</span> <span class="n">ab</span> <span class="o">=</span> <span class="n">a</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">()</span> -</span><span id="absorb_and_eliminate-292"><a href="#absorb_and_eliminate-292"><span class="linenos">292</span></a> -</span><span id="absorb_and_eliminate-293"><a href="#absorb_and_eliminate-293"><span class="linenos">293</span></a> <span class="c1"># absorb</span> -</span><span id="absorb_and_eliminate-294"><a href="#absorb_and_eliminate-294"><span class="linenos">294</span></a> <span class="k">if</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">aa</span><span class="p">):</span> -</span><span id="absorb_and_eliminate-295"><a href="#absorb_and_eliminate-295"><span class="linenos">295</span></a> <span class="n">aa</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">())</span> -</span><span id="absorb_and_eliminate-296"><a href="#absorb_and_eliminate-296"><span class="linenos">296</span></a> <span class="k">elif</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">ab</span><span class="p">):</span> -</span><span id="absorb_and_eliminate-297"><a href="#absorb_and_eliminate-297"><span class="linenos">297</span></a> <span class="n">ab</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">())</span> -</span><span id="absorb_and_eliminate-298"><a href="#absorb_and_eliminate-298"><span class="linenos">298</span></a> <span class="k">elif</span> <span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">b</span><span class="o">.</span><span class="n">flatten</span><span class="p">())</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">kind</span><span class="p">)</span> <span class="k">else</span> <span class="p">{</span><span class="n">b</span><span class="p">})</span> <span class="o"><</span> <span class="nb">set</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">flatten</span><span class="p">()):</span> -</span><span id="absorb_and_eliminate-299"><a href="#absorb_and_eliminate-299"><span class="linenos">299</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span> -</span><span id="absorb_and_eliminate-300"><a href="#absorb_and_eliminate-300"><span class="linenos">300</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">kind</span><span class="p">):</span> -</span><span id="absorb_and_eliminate-301"><a href="#absorb_and_eliminate-301"><span class="linenos">301</span></a> <span class="c1"># eliminate</span> -</span><span id="absorb_and_eliminate-302"><a href="#absorb_and_eliminate-302"><span class="linenos">302</span></a> <span class="n">rhs</span> <span class="o">=</span> <span class="n">b</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">()</span> -</span><span id="absorb_and_eliminate-303"><a href="#absorb_and_eliminate-303"><span class="linenos">303</span></a> <span class="n">ba</span><span class="p">,</span> <span class="n">bb</span> <span class="o">=</span> <span class="n">rhs</span> -</span><span id="absorb_and_eliminate-304"><a href="#absorb_and_eliminate-304"><span class="linenos">304</span></a> -</span><span id="absorb_and_eliminate-305"><a href="#absorb_and_eliminate-305"><span class="linenos">305</span></a> <span class="k">if</span> <span class="n">aa</span> <span class="ow">in</span> <span class="n">rhs</span> <span class="ow">and</span> <span class="p">(</span><span class="n">is_complement</span><span class="p">(</span><span class="n">ab</span><span class="p">,</span> <span class="n">ba</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">ab</span><span class="p">,</span> <span class="n">bb</span><span class="p">)):</span> -</span><span id="absorb_and_eliminate-306"><a href="#absorb_and_eliminate-306"><span class="linenos">306</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">aa</span><span class="p">)</span> -</span><span id="absorb_and_eliminate-307"><a href="#absorb_and_eliminate-307"><span class="linenos">307</span></a> <span class="n">b</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">aa</span><span class="p">)</span> -</span><span id="absorb_and_eliminate-308"><a href="#absorb_and_eliminate-308"><span class="linenos">308</span></a> <span class="k">elif</span> <span class="n">ab</span> <span class="ow">in</span> <span class="n">rhs</span> <span class="ow">and</span> <span class="p">(</span><span class="n">is_complement</span><span class="p">(</span><span class="n">aa</span><span class="p">,</span> <span class="n">ba</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">aa</span><span class="p">,</span> <span class="n">bb</span><span class="p">)):</span> -</span><span id="absorb_and_eliminate-309"><a href="#absorb_and_eliminate-309"><span class="linenos">309</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">ab</span><span class="p">)</span> -</span><span id="absorb_and_eliminate-310"><a href="#absorb_and_eliminate-310"><span class="linenos">310</span></a> <span class="n">b</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">ab</span><span class="p">)</span> -</span><span id="absorb_and_eliminate-311"><a href="#absorb_and_eliminate-311"><span class="linenos">311</span></a> -</span><span id="absorb_and_eliminate-312"><a href="#absorb_and_eliminate-312"><span class="linenos">312</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="absorb_and_eliminate-277"><a href="#absorb_and_eliminate-277"><span class="linenos">277</span></a><span class="k">def</span> <span class="nf">absorb_and_eliminate</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> +</span><span id="absorb_and_eliminate-278"><a href="#absorb_and_eliminate-278"><span class="linenos">278</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="absorb_and_eliminate-279"><a href="#absorb_and_eliminate-279"><span class="linenos">279</span></a><span class="sd"> absorption:</span> +</span><span id="absorb_and_eliminate-280"><a href="#absorb_and_eliminate-280"><span class="linenos">280</span></a><span class="sd"> A AND (A OR B) -> A</span> +</span><span id="absorb_and_eliminate-281"><a href="#absorb_and_eliminate-281"><span class="linenos">281</span></a><span class="sd"> A OR (A AND B) -> A</span> +</span><span id="absorb_and_eliminate-282"><a href="#absorb_and_eliminate-282"><span class="linenos">282</span></a><span class="sd"> A AND (NOT A OR B) -> A AND B</span> +</span><span id="absorb_and_eliminate-283"><a href="#absorb_and_eliminate-283"><span class="linenos">283</span></a><span class="sd"> A OR (NOT A AND B) -> A OR B</span> +</span><span id="absorb_and_eliminate-284"><a href="#absorb_and_eliminate-284"><span class="linenos">284</span></a><span class="sd"> elimination:</span> +</span><span id="absorb_and_eliminate-285"><a href="#absorb_and_eliminate-285"><span class="linenos">285</span></a><span class="sd"> (A AND B) OR (A AND NOT B) -> A</span> +</span><span id="absorb_and_eliminate-286"><a href="#absorb_and_eliminate-286"><span class="linenos">286</span></a><span class="sd"> (A OR B) AND (A OR NOT B) -> A</span> +</span><span id="absorb_and_eliminate-287"><a href="#absorb_and_eliminate-287"><span class="linenos">287</span></a><span class="sd"> """</span> +</span><span id="absorb_and_eliminate-288"><a href="#absorb_and_eliminate-288"><span class="linenos">288</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span><span class="n">root</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">expression</span><span class="o">.</span><span class="n">same_parent</span><span class="p">):</span> +</span><span id="absorb_and_eliminate-289"><a href="#absorb_and_eliminate-289"><span class="linenos">289</span></a> <span class="n">kind</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">Or</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span><span class="p">)</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> +</span><span id="absorb_and_eliminate-290"><a href="#absorb_and_eliminate-290"><span class="linenos">290</span></a> +</span><span id="absorb_and_eliminate-291"><a href="#absorb_and_eliminate-291"><span class="linenos">291</span></a> <span class="k">for</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">permutations</span><span class="p">(</span><span class="n">expression</span><span class="o">.</span><span class="n">flatten</span><span class="p">(),</span> <span class="mi">2</span><span class="p">):</span> +</span><span id="absorb_and_eliminate-292"><a href="#absorb_and_eliminate-292"><span class="linenos">292</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">kind</span><span class="p">):</span> +</span><span id="absorb_and_eliminate-293"><a href="#absorb_and_eliminate-293"><span class="linenos">293</span></a> <span class="n">aa</span><span class="p">,</span> <span class="n">ab</span> <span class="o">=</span> <span class="n">a</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">()</span> +</span><span id="absorb_and_eliminate-294"><a href="#absorb_and_eliminate-294"><span class="linenos">294</span></a> +</span><span id="absorb_and_eliminate-295"><a href="#absorb_and_eliminate-295"><span class="linenos">295</span></a> <span class="c1"># absorb</span> +</span><span id="absorb_and_eliminate-296"><a href="#absorb_and_eliminate-296"><span class="linenos">296</span></a> <span class="k">if</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">aa</span><span class="p">):</span> +</span><span id="absorb_and_eliminate-297"><a href="#absorb_and_eliminate-297"><span class="linenos">297</span></a> <span class="n">aa</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">())</span> +</span><span id="absorb_and_eliminate-298"><a href="#absorb_and_eliminate-298"><span class="linenos">298</span></a> <span class="k">elif</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">ab</span><span class="p">):</span> +</span><span id="absorb_and_eliminate-299"><a href="#absorb_and_eliminate-299"><span class="linenos">299</span></a> <span class="n">ab</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">())</span> +</span><span id="absorb_and_eliminate-300"><a href="#absorb_and_eliminate-300"><span class="linenos">300</span></a> <span class="k">elif</span> <span class="p">(</span><span class="nb">set</span><span class="p">(</span><span class="n">b</span><span class="o">.</span><span class="n">flatten</span><span class="p">())</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">kind</span><span class="p">)</span> <span class="k">else</span> <span class="p">{</span><span class="n">b</span><span class="p">})</span> <span class="o"><</span> <span class="nb">set</span><span class="p">(</span><span class="n">a</span><span class="o">.</span><span class="n">flatten</span><span class="p">()):</span> +</span><span id="absorb_and_eliminate-301"><a href="#absorb_and_eliminate-301"><span class="linenos">301</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> <span class="k">if</span> <span class="n">kind</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">And</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">())</span> +</span><span id="absorb_and_eliminate-302"><a href="#absorb_and_eliminate-302"><span class="linenos">302</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">kind</span><span class="p">):</span> +</span><span id="absorb_and_eliminate-303"><a href="#absorb_and_eliminate-303"><span class="linenos">303</span></a> <span class="c1"># eliminate</span> +</span><span id="absorb_and_eliminate-304"><a href="#absorb_and_eliminate-304"><span class="linenos">304</span></a> <span class="n">rhs</span> <span class="o">=</span> <span class="n">b</span><span class="o">.</span><span class="n">unnest_operands</span><span class="p">()</span> +</span><span id="absorb_and_eliminate-305"><a href="#absorb_and_eliminate-305"><span class="linenos">305</span></a> <span class="n">ba</span><span class="p">,</span> <span class="n">bb</span> <span class="o">=</span> <span class="n">rhs</span> +</span><span id="absorb_and_eliminate-306"><a href="#absorb_and_eliminate-306"><span class="linenos">306</span></a> +</span><span id="absorb_and_eliminate-307"><a href="#absorb_and_eliminate-307"><span class="linenos">307</span></a> <span class="k">if</span> <span class="n">aa</span> <span class="ow">in</span> <span class="n">rhs</span> <span class="ow">and</span> <span class="p">(</span><span class="n">is_complement</span><span class="p">(</span><span class="n">ab</span><span class="p">,</span> <span class="n">ba</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">ab</span><span class="p">,</span> <span class="n">bb</span><span class="p">)):</span> +</span><span id="absorb_and_eliminate-308"><a href="#absorb_and_eliminate-308"><span class="linenos">308</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">aa</span><span class="p">)</span> +</span><span id="absorb_and_eliminate-309"><a href="#absorb_and_eliminate-309"><span class="linenos">309</span></a> <span class="n">b</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">aa</span><span class="p">)</span> +</span><span id="absorb_and_eliminate-310"><a href="#absorb_and_eliminate-310"><span class="linenos">310</span></a> <span class="k">elif</span> <span class="n">ab</span> <span class="ow">in</span> <span class="n">rhs</span> <span class="ow">and</span> <span class="p">(</span><span class="n">is_complement</span><span class="p">(</span><span class="n">aa</span><span class="p">,</span> <span class="n">ba</span><span class="p">)</span> <span class="ow">or</span> <span class="n">is_complement</span><span class="p">(</span><span class="n">aa</span><span class="p">,</span> <span class="n">bb</span><span class="p">)):</span> +</span><span id="absorb_and_eliminate-311"><a href="#absorb_and_eliminate-311"><span class="linenos">311</span></a> <span class="n">a</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">ab</span><span class="p">)</span> +</span><span id="absorb_and_eliminate-312"><a href="#absorb_and_eliminate-312"><span class="linenos">312</span></a> <span class="n">b</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="n">ab</span><span class="p">)</span> +</span><span id="absorb_and_eliminate-313"><a href="#absorb_and_eliminate-313"><span class="linenos">313</span></a> +</span><span id="absorb_and_eliminate-314"><a href="#absorb_and_eliminate-314"><span class="linenos">314</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -1109,18 +1113,18 @@ elimination: </div> <a class="headerlink" href="#simplify_literals"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="simplify_literals-315"><a href="#simplify_literals-315"><span class="linenos">315</span></a><span class="k">def</span> <span class="nf">simplify_literals</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> -</span><span id="simplify_literals-316"><a href="#simplify_literals-316"><span class="linenos">316</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> -</span><span id="simplify_literals-317"><a href="#simplify_literals-317"><span class="linenos">317</span></a> <span class="k">return</span> <span class="n">_flat_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify_binary</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> -</span><span id="simplify_literals-318"><a href="#simplify_literals-318"><span class="linenos">318</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Neg</span><span class="p">):</span> -</span><span id="simplify_literals-319"><a href="#simplify_literals-319"><span class="linenos">319</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="simplify_literals-320"><a href="#simplify_literals-320"><span class="linenos">320</span></a> <span class="k">if</span> <span class="n">this</span><span class="o">.</span><span class="n">is_number</span><span class="p">:</span> -</span><span id="simplify_literals-321"><a href="#simplify_literals-321"><span class="linenos">321</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">this</span><span class="o">.</span><span class="n">name</span> -</span><span id="simplify_literals-322"><a href="#simplify_literals-322"><span class="linenos">322</span></a> <span class="k">if</span> <span class="n">value</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="s2">"-"</span><span class="p">:</span> -</span><span id="simplify_literals-323"><a href="#simplify_literals-323"><span class="linenos">323</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">value</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span> -</span><span id="simplify_literals-324"><a href="#simplify_literals-324"><span class="linenos">324</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="sa">f</span><span class="s2">"-</span><span class="si">{</span><span class="n">value</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="simplify_literals-325"><a href="#simplify_literals-325"><span class="linenos">325</span></a> -</span><span id="simplify_literals-326"><a href="#simplify_literals-326"><span class="linenos">326</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="simplify_literals-317"><a href="#simplify_literals-317"><span class="linenos">317</span></a><span class="k">def</span> <span class="nf">simplify_literals</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">root</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span> +</span><span id="simplify_literals-318"><a href="#simplify_literals-318"><span class="linenos">318</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Connector</span><span class="p">):</span> +</span><span id="simplify_literals-319"><a href="#simplify_literals-319"><span class="linenos">319</span></a> <span class="k">return</span> <span class="n">_flat_simplify</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">_simplify_binary</span><span class="p">,</span> <span class="n">root</span><span class="p">)</span> +</span><span id="simplify_literals-320"><a href="#simplify_literals-320"><span class="linenos">320</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Neg</span><span class="p">):</span> +</span><span id="simplify_literals-321"><a href="#simplify_literals-321"><span class="linenos">321</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="simplify_literals-322"><a href="#simplify_literals-322"><span class="linenos">322</span></a> <span class="k">if</span> <span class="n">this</span><span class="o">.</span><span class="n">is_number</span><span class="p">:</span> +</span><span id="simplify_literals-323"><a href="#simplify_literals-323"><span class="linenos">323</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">this</span><span class="o">.</span><span class="n">name</span> +</span><span id="simplify_literals-324"><a href="#simplify_literals-324"><span class="linenos">324</span></a> <span class="k">if</span> <span class="n">value</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">==</span> <span class="s2">"-"</span><span class="p">:</span> +</span><span id="simplify_literals-325"><a href="#simplify_literals-325"><span class="linenos">325</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="n">value</span><span class="p">[</span><span class="mi">1</span><span class="p">:])</span> +</span><span id="simplify_literals-326"><a href="#simplify_literals-326"><span class="linenos">326</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">number</span><span class="p">(</span><span class="sa">f</span><span class="s2">"-</span><span class="si">{</span><span class="n">value</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="simplify_literals-327"><a href="#simplify_literals-327"><span class="linenos">327</span></a> +</span><span id="simplify_literals-328"><a href="#simplify_literals-328"><span class="linenos">328</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -1138,22 +1142,22 @@ elimination: </div> <a class="headerlink" href="#simplify_parens"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="simplify_parens-389"><a href="#simplify_parens-389"><span class="linenos">389</span></a><span class="k">def</span> <span class="nf">simplify_parens</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="simplify_parens-390"><a href="#simplify_parens-390"><span class="linenos">390</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> -</span><span id="simplify_parens-391"><a href="#simplify_parens-391"><span class="linenos">391</span></a> <span class="k">return</span> <span class="n">expression</span> -</span><span id="simplify_parens-392"><a href="#simplify_parens-392"><span class="linenos">392</span></a> -</span><span id="simplify_parens-393"><a href="#simplify_parens-393"><span class="linenos">393</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="simplify_parens-394"><a href="#simplify_parens-394"><span class="linenos">394</span></a> <span class="n">parent</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span> -</span><span id="simplify_parens-395"><a href="#simplify_parens-395"><span class="linenos">395</span></a> -</span><span id="simplify_parens-396"><a href="#simplify_parens-396"><span class="linenos">396</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span> -</span><span id="simplify_parens-397"><a href="#simplify_parens-397"><span class="linenos">397</span></a> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">))</span> -</span><span id="simplify_parens-398"><a href="#simplify_parens-398"><span class="linenos">398</span></a> <span class="ow">or</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span> -</span><span id="simplify_parens-399"><a href="#simplify_parens-399"><span class="linenos">399</span></a> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)</span> -</span><span id="simplify_parens-400"><a href="#simplify_parens-400"><span class="linenos">400</span></a> <span class="ow">or</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">))</span> -</span><span id="simplify_parens-401"><a href="#simplify_parens-401"><span class="linenos">401</span></a> <span class="ow">or</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Mul</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Mul</span><span class="p">))</span> -</span><span id="simplify_parens-402"><a href="#simplify_parens-402"><span class="linenos">402</span></a> <span class="p">):</span> -</span><span id="simplify_parens-403"><a href="#simplify_parens-403"><span class="linenos">403</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> -</span><span id="simplify_parens-404"><a href="#simplify_parens-404"><span class="linenos">404</span></a> <span class="k">return</span> <span class="n">expression</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="simplify_parens-391"><a href="#simplify_parens-391"><span class="linenos">391</span></a><span class="k">def</span> <span class="nf">simplify_parens</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="simplify_parens-392"><a href="#simplify_parens-392"><span class="linenos">392</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Paren</span><span class="p">):</span> +</span><span id="simplify_parens-393"><a href="#simplify_parens-393"><span class="linenos">393</span></a> <span class="k">return</span> <span class="n">expression</span> +</span><span id="simplify_parens-394"><a href="#simplify_parens-394"><span class="linenos">394</span></a> +</span><span id="simplify_parens-395"><a href="#simplify_parens-395"><span class="linenos">395</span></a> <span class="n">this</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="simplify_parens-396"><a href="#simplify_parens-396"><span class="linenos">396</span></a> <span class="n">parent</span> <span class="o">=</span> <span class="n">expression</span><span class="o">.</span><span class="n">parent</span> +</span><span id="simplify_parens-397"><a href="#simplify_parens-397"><span class="linenos">397</span></a> +</span><span id="simplify_parens-398"><a href="#simplify_parens-398"><span class="linenos">398</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Select</span><span class="p">)</span> <span class="ow">and</span> <span class="p">(</span> +</span><span id="simplify_parens-399"><a href="#simplify_parens-399"><span class="linenos">399</span></a> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Condition</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">))</span> +</span><span id="simplify_parens-400"><a href="#simplify_parens-400"><span class="linenos">400</span></a> <span class="ow">or</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Predicate</span><span class="p">)</span> +</span><span id="simplify_parens-401"><a href="#simplify_parens-401"><span class="linenos">401</span></a> <span class="ow">or</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Binary</span><span class="p">)</span> +</span><span id="simplify_parens-402"><a href="#simplify_parens-402"><span class="linenos">402</span></a> <span class="ow">or</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Add</span><span class="p">))</span> +</span><span id="simplify_parens-403"><a href="#simplify_parens-403"><span class="linenos">403</span></a> <span class="ow">or</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">this</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Mul</span><span class="p">)</span> <span class="ow">and</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">parent</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Mul</span><span class="p">))</span> +</span><span id="simplify_parens-404"><a href="#simplify_parens-404"><span class="linenos">404</span></a> <span class="p">):</span> +</span><span id="simplify_parens-405"><a href="#simplify_parens-405"><span class="linenos">405</span></a> <span class="k">return</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span> +</span><span id="simplify_parens-406"><a href="#simplify_parens-406"><span class="linenos">406</span></a> <span class="k">return</span> <span class="n">expression</span> </span></pre></div> @@ -1171,19 +1175,19 @@ elimination: </div> <a class="headerlink" href="#remove_where_true"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="remove_where_true-407"><a href="#remove_where_true-407"><span class="linenos">407</span></a><span class="k">def</span> <span class="nf">remove_where_true</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="remove_where_true-408"><a href="#remove_where_true-408"><span class="linenos">408</span></a> <span class="k">for</span> <span class="n">where</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">):</span> -</span><span id="remove_where_true-409"><a href="#remove_where_true-409"><span class="linenos">409</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> -</span><span id="remove_where_true-410"><a href="#remove_where_true-410"><span class="linenos">410</span></a> <span class="n">where</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"where"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="remove_where_true-411"><a href="#remove_where_true-411"><span class="linenos">411</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span> -</span><span id="remove_where_true-412"><a href="#remove_where_true-412"><span class="linenos">412</span></a> <span class="k">if</span> <span class="p">(</span> -</span><span id="remove_where_true-413"><a href="#remove_where_true-413"><span class="linenos">413</span></a> <span class="n">always_true</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">))</span> -</span><span id="remove_where_true-414"><a href="#remove_where_true-414"><span class="linenos">414</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"using"</span><span class="p">)</span> -</span><span id="remove_where_true-415"><a href="#remove_where_true-415"><span class="linenos">415</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"method"</span><span class="p">)</span> -</span><span id="remove_where_true-416"><a href="#remove_where_true-416"><span class="linenos">416</span></a> <span class="p">):</span> -</span><span id="remove_where_true-417"><a href="#remove_where_true-417"><span class="linenos">417</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"on"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="remove_where_true-418"><a href="#remove_where_true-418"><span class="linenos">418</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"side"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> -</span><span id="remove_where_true-419"><a href="#remove_where_true-419"><span class="linenos">419</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"kind"</span><span class="p">,</span> <span class="s2">"CROSS"</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="remove_where_true-409"><a href="#remove_where_true-409"><span class="linenos">409</span></a><span class="k">def</span> <span class="nf">remove_where_true</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="remove_where_true-410"><a href="#remove_where_true-410"><span class="linenos">410</span></a> <span class="k">for</span> <span class="n">where</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Where</span><span class="p">):</span> +</span><span id="remove_where_true-411"><a href="#remove_where_true-411"><span class="linenos">411</span></a> <span class="k">if</span> <span class="n">always_true</span><span class="p">(</span><span class="n">where</span><span class="o">.</span><span class="n">this</span><span class="p">):</span> +</span><span id="remove_where_true-412"><a href="#remove_where_true-412"><span class="linenos">412</span></a> <span class="n">where</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"where"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="remove_where_true-413"><a href="#remove_where_true-413"><span class="linenos">413</span></a> <span class="k">for</span> <span class="n">join</span> <span class="ow">in</span> <span class="n">expression</span><span class="o">.</span><span class="n">find_all</span><span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">Join</span><span class="p">):</span> +</span><span id="remove_where_true-414"><a href="#remove_where_true-414"><span class="linenos">414</span></a> <span class="k">if</span> <span class="p">(</span> +</span><span id="remove_where_true-415"><a href="#remove_where_true-415"><span class="linenos">415</span></a> <span class="n">always_true</span><span class="p">(</span><span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"on"</span><span class="p">))</span> +</span><span id="remove_where_true-416"><a href="#remove_where_true-416"><span class="linenos">416</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"using"</span><span class="p">)</span> +</span><span id="remove_where_true-417"><a href="#remove_where_true-417"><span class="linenos">417</span></a> <span class="ow">and</span> <span class="ow">not</span> <span class="n">join</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"method"</span><span class="p">)</span> +</span><span id="remove_where_true-418"><a href="#remove_where_true-418"><span class="linenos">418</span></a> <span class="p">):</span> +</span><span id="remove_where_true-419"><a href="#remove_where_true-419"><span class="linenos">419</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"on"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="remove_where_true-420"><a href="#remove_where_true-420"><span class="linenos">420</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"side"</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> +</span><span id="remove_where_true-421"><a href="#remove_where_true-421"><span class="linenos">421</span></a> <span class="n">join</span><span class="o">.</span><span class="n">set</span><span class="p">(</span><span class="s2">"kind"</span><span class="p">,</span> <span class="s2">"CROSS"</span><span class="p">)</span> </span></pre></div> @@ -1201,10 +1205,10 @@ elimination: </div> <a class="headerlink" href="#always_true"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="always_true-422"><a href="#always_true-422"><span class="linenos">422</span></a><span class="k">def</span> <span class="nf">always_true</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> -</span><span id="always_true-423"><a href="#always_true-423"><span class="linenos">423</span></a> <span class="k">return</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">isinstance</span><span class="p">(</span> -</span><span id="always_true-424"><a href="#always_true-424"><span class="linenos">424</span></a> <span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span> -</span><span id="always_true-425"><a href="#always_true-425"><span class="linenos">425</span></a> <span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="always_true-424"><a href="#always_true-424"><span class="linenos">424</span></a><span class="k">def</span> <span class="nf">always_true</span><span class="p">(</span><span class="n">expression</span><span class="p">):</span> +</span><span id="always_true-425"><a href="#always_true-425"><span class="linenos">425</span></a> <span class="k">return</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span><span class="p">)</span> <span class="ow">and</span> <span class="n">expression</span><span class="o">.</span><span class="n">this</span><span class="p">)</span> <span class="ow">or</span> <span class="nb">isinstance</span><span class="p">(</span> +</span><span id="always_true-426"><a href="#always_true-426"><span class="linenos">426</span></a> <span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span> +</span><span id="always_true-427"><a href="#always_true-427"><span class="linenos">427</span></a> <span class="p">)</span> </span></pre></div> @@ -1222,8 +1226,8 @@ elimination: </div> <a class="headerlink" href="#is_complement"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="is_complement-428"><a href="#is_complement-428"><span class="linenos">428</span></a><span class="k">def</span> <span class="nf">is_complement</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> -</span><span id="is_complement-429"><a href="#is_complement-429"><span class="linenos">429</span></a> <span class="k">return</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">)</span> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">a</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="is_complement-430"><a href="#is_complement-430"><span class="linenos">430</span></a><span class="k">def</span> <span class="nf">is_complement</span><span class="p">(</span><span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> +</span><span id="is_complement-431"><a href="#is_complement-431"><span class="linenos">431</span></a> <span class="k">return</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Not</span><span class="p">)</span> <span class="ow">and</span> <span class="n">b</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">a</span> </span></pre></div> @@ -1241,8 +1245,8 @@ elimination: </div> <a class="headerlink" href="#is_false"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="is_false-432"><a href="#is_false-432"><span class="linenos">432</span></a><span class="k">def</span> <span class="nf">is_false</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> -</span><span id="is_false-433"><a href="#is_false-433"><span class="linenos">433</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="ow">is</span> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">a</span><span class="o">.</span><span class="n">this</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="is_false-434"><a href="#is_false-434"><span class="linenos">434</span></a><span class="k">def</span> <span class="nf">is_false</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="is_false-435"><a href="#is_false-435"><span class="linenos">435</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="ow">is</span> <span class="n">exp</span><span class="o">.</span><span class="n">Boolean</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">a</span><span class="o">.</span><span class="n">this</span> </span></pre></div> @@ -1260,8 +1264,8 @@ elimination: </div> <a class="headerlink" href="#is_null"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="is_null-436"><a href="#is_null-436"><span class="linenos">436</span></a><span class="k">def</span> <span class="nf">is_null</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> -</span><span id="is_null-437"><a href="#is_null-437"><span class="linenos">437</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="ow">is</span> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="is_null-438"><a href="#is_null-438"><span class="linenos">438</span></a><span class="k">def</span> <span class="nf">is_null</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">)</span> <span class="o">-></span> <span class="nb">bool</span><span class="p">:</span> +</span><span id="is_null-439"><a href="#is_null-439"><span class="linenos">439</span></a> <span class="k">return</span> <span class="nb">type</span><span class="p">(</span><span class="n">a</span><span class="p">)</span> <span class="ow">is</span> <span class="n">exp</span><span class="o">.</span><span class="n">Null</span> </span></pre></div> @@ -1279,20 +1283,20 @@ elimination: </div> <a class="headerlink" href="#eval_boolean"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="eval_boolean-440"><a href="#eval_boolean-440"><span class="linenos">440</span></a><span class="k">def</span> <span class="nf">eval_boolean</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> -</span><span id="eval_boolean-441"><a href="#eval_boolean-441"><span class="linenos">441</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">)):</span> -</span><span id="eval_boolean-442"><a href="#eval_boolean-442"><span class="linenos">442</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">==</span> <span class="n">b</span><span class="p">)</span> -</span><span id="eval_boolean-443"><a href="#eval_boolean-443"><span class="linenos">443</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">):</span> -</span><span id="eval_boolean-444"><a href="#eval_boolean-444"><span class="linenos">444</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">!=</span> <span class="n">b</span><span class="p">)</span> -</span><span id="eval_boolean-445"><a href="#eval_boolean-445"><span class="linenos">445</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">):</span> -</span><span id="eval_boolean-446"><a href="#eval_boolean-446"><span class="linenos">446</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">></span> <span class="n">b</span><span class="p">)</span> -</span><span id="eval_boolean-447"><a href="#eval_boolean-447"><span class="linenos">447</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">):</span> -</span><span id="eval_boolean-448"><a href="#eval_boolean-448"><span class="linenos">448</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">>=</span> <span class="n">b</span><span class="p">)</span> -</span><span id="eval_boolean-449"><a href="#eval_boolean-449"><span class="linenos">449</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">):</span> -</span><span id="eval_boolean-450"><a href="#eval_boolean-450"><span class="linenos">450</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o"><</span> <span class="n">b</span><span class="p">)</span> -</span><span id="eval_boolean-451"><a href="#eval_boolean-451"><span class="linenos">451</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">):</span> -</span><span id="eval_boolean-452"><a href="#eval_boolean-452"><span class="linenos">452</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o"><=</span> <span class="n">b</span><span class="p">)</span> -</span><span id="eval_boolean-453"><a href="#eval_boolean-453"><span class="linenos">453</span></a> <span class="k">return</span> <span class="kc">None</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="eval_boolean-442"><a href="#eval_boolean-442"><span class="linenos">442</span></a><span class="k">def</span> <span class="nf">eval_boolean</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span> +</span><span id="eval_boolean-443"><a href="#eval_boolean-443"><span class="linenos">443</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="p">(</span><span class="n">exp</span><span class="o">.</span><span class="n">EQ</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Is</span><span class="p">)):</span> +</span><span id="eval_boolean-444"><a href="#eval_boolean-444"><span class="linenos">444</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">==</span> <span class="n">b</span><span class="p">)</span> +</span><span id="eval_boolean-445"><a href="#eval_boolean-445"><span class="linenos">445</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">NEQ</span><span class="p">):</span> +</span><span id="eval_boolean-446"><a href="#eval_boolean-446"><span class="linenos">446</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">!=</span> <span class="n">b</span><span class="p">)</span> +</span><span id="eval_boolean-447"><a href="#eval_boolean-447"><span class="linenos">447</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GT</span><span class="p">):</span> +</span><span id="eval_boolean-448"><a href="#eval_boolean-448"><span class="linenos">448</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">></span> <span class="n">b</span><span class="p">)</span> +</span><span id="eval_boolean-449"><a href="#eval_boolean-449"><span class="linenos">449</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">GTE</span><span class="p">):</span> +</span><span id="eval_boolean-450"><a href="#eval_boolean-450"><span class="linenos">450</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o">>=</span> <span class="n">b</span><span class="p">)</span> +</span><span id="eval_boolean-451"><a href="#eval_boolean-451"><span class="linenos">451</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LT</span><span class="p">):</span> +</span><span id="eval_boolean-452"><a href="#eval_boolean-452"><span class="linenos">452</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o"><</span> <span class="n">b</span><span class="p">)</span> +</span><span id="eval_boolean-453"><a href="#eval_boolean-453"><span class="linenos">453</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">expression</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">LTE</span><span class="p">):</span> +</span><span id="eval_boolean-454"><a href="#eval_boolean-454"><span class="linenos">454</span></a> <span class="k">return</span> <span class="n">boolean_literal</span><span class="p">(</span><span class="n">a</span> <span class="o"><=</span> <span class="n">b</span><span class="p">)</span> +</span><span id="eval_boolean-455"><a href="#eval_boolean-455"><span class="linenos">455</span></a> <span class="k">return</span> <span class="kc">None</span> </span></pre></div> @@ -1310,16 +1314,16 @@ elimination: </div> <a class="headerlink" href="#extract_date"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="extract_date-456"><a href="#extract_date-456"><span class="linenos">456</span></a><span class="k">def</span> <span class="nf">extract_date</span><span class="p">(</span><span class="n">cast</span><span class="p">):</span> -</span><span id="extract_date-457"><a href="#extract_date-457"><span class="linenos">457</span></a> <span class="c1"># The "fromisoformat" conversion could fail if the cast is used on an identifier,</span> -</span><span id="extract_date-458"><a href="#extract_date-458"><span class="linenos">458</span></a> <span class="c1"># so in that case we can't extract the date.</span> -</span><span id="extract_date-459"><a href="#extract_date-459"><span class="linenos">459</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="extract_date-460"><a href="#extract_date-460"><span class="linenos">460</span></a> <span class="k">if</span> <span class="n">cast</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">:</span> -</span><span id="extract_date-461"><a href="#extract_date-461"><span class="linenos">461</span></a> <span class="k">return</span> <span class="n">datetime</span><span class="o">.</span><span class="n">date</span><span class="o">.</span><span class="n">fromisoformat</span><span class="p">(</span><span class="n">cast</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="extract_date-462"><a href="#extract_date-462"><span class="linenos">462</span></a> <span class="k">if</span> <span class="n">cast</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">:</span> -</span><span id="extract_date-463"><a href="#extract_date-463"><span class="linenos">463</span></a> <span class="k">return</span> <span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="o">.</span><span class="n">fromisoformat</span><span class="p">(</span><span class="n">cast</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="extract_date-464"><a href="#extract_date-464"><span class="linenos">464</span></a> <span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span> -</span><span id="extract_date-465"><a href="#extract_date-465"><span class="linenos">465</span></a> <span class="k">return</span> <span class="kc">None</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="extract_date-458"><a href="#extract_date-458"><span class="linenos">458</span></a><span class="k">def</span> <span class="nf">extract_date</span><span class="p">(</span><span class="n">cast</span><span class="p">):</span> +</span><span id="extract_date-459"><a href="#extract_date-459"><span class="linenos">459</span></a> <span class="c1"># The "fromisoformat" conversion could fail if the cast is used on an identifier,</span> +</span><span id="extract_date-460"><a href="#extract_date-460"><span class="linenos">460</span></a> <span class="c1"># so in that case we can't extract the date.</span> +</span><span id="extract_date-461"><a href="#extract_date-461"><span class="linenos">461</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="extract_date-462"><a href="#extract_date-462"><span class="linenos">462</span></a> <span class="k">if</span> <span class="n">cast</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATE</span><span class="p">:</span> +</span><span id="extract_date-463"><a href="#extract_date-463"><span class="linenos">463</span></a> <span class="k">return</span> <span class="n">datetime</span><span class="o">.</span><span class="n">date</span><span class="o">.</span><span class="n">fromisoformat</span><span class="p">(</span><span class="n">cast</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="extract_date-464"><a href="#extract_date-464"><span class="linenos">464</span></a> <span class="k">if</span> <span class="n">cast</span><span class="o">.</span><span class="n">args</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]</span><span class="o">.</span><span class="n">this</span> <span class="o">==</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="o">.</span><span class="n">DATETIME</span><span class="p">:</span> +</span><span id="extract_date-465"><a href="#extract_date-465"><span class="linenos">465</span></a> <span class="k">return</span> <span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="o">.</span><span class="n">fromisoformat</span><span class="p">(</span><span class="n">cast</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="extract_date-466"><a href="#extract_date-466"><span class="linenos">466</span></a> <span class="k">except</span> <span class="ne">ValueError</span><span class="p">:</span> +</span><span id="extract_date-467"><a href="#extract_date-467"><span class="linenos">467</span></a> <span class="k">return</span> <span class="kc">None</span> </span></pre></div> @@ -1337,24 +1341,24 @@ elimination: </div> <a class="headerlink" href="#extract_interval"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="extract_interval-468"><a href="#extract_interval-468"><span class="linenos">468</span></a><span class="k">def</span> <span class="nf">extract_interval</span><span class="p">(</span><span class="n">interval</span><span class="p">):</span> -</span><span id="extract_interval-469"><a href="#extract_interval-469"><span class="linenos">469</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="extract_interval-470"><a href="#extract_interval-470"><span class="linenos">470</span></a> <span class="kn">from</span> <span class="nn">dateutil.relativedelta</span> <span class="kn">import</span> <span class="n">relativedelta</span> <span class="c1"># type: ignore</span> -</span><span id="extract_interval-471"><a href="#extract_interval-471"><span class="linenos">471</span></a> <span class="k">except</span> <span class="ne">ModuleNotFoundError</span><span class="p">:</span> -</span><span id="extract_interval-472"><a href="#extract_interval-472"><span class="linenos">472</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="extract_interval-473"><a href="#extract_interval-473"><span class="linenos">473</span></a> -</span><span id="extract_interval-474"><a href="#extract_interval-474"><span class="linenos">474</span></a> <span class="n">n</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">interval</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> -</span><span id="extract_interval-475"><a href="#extract_interval-475"><span class="linenos">475</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">interval</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> -</span><span id="extract_interval-476"><a href="#extract_interval-476"><span class="linenos">476</span></a> -</span><span id="extract_interval-477"><a href="#extract_interval-477"><span class="linenos">477</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"year"</span><span class="p">:</span> -</span><span id="extract_interval-478"><a href="#extract_interval-478"><span class="linenos">478</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">years</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> -</span><span id="extract_interval-479"><a href="#extract_interval-479"><span class="linenos">479</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"month"</span><span class="p">:</span> -</span><span id="extract_interval-480"><a href="#extract_interval-480"><span class="linenos">480</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">months</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> -</span><span id="extract_interval-481"><a href="#extract_interval-481"><span class="linenos">481</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"week"</span><span class="p">:</span> -</span><span id="extract_interval-482"><a href="#extract_interval-482"><span class="linenos">482</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">weeks</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> -</span><span id="extract_interval-483"><a href="#extract_interval-483"><span class="linenos">483</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"day"</span><span class="p">:</span> -</span><span id="extract_interval-484"><a href="#extract_interval-484"><span class="linenos">484</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">days</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> -</span><span id="extract_interval-485"><a href="#extract_interval-485"><span class="linenos">485</span></a> <span class="k">return</span> <span class="kc">None</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="extract_interval-470"><a href="#extract_interval-470"><span class="linenos">470</span></a><span class="k">def</span> <span class="nf">extract_interval</span><span class="p">(</span><span class="n">interval</span><span class="p">):</span> +</span><span id="extract_interval-471"><a href="#extract_interval-471"><span class="linenos">471</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="extract_interval-472"><a href="#extract_interval-472"><span class="linenos">472</span></a> <span class="kn">from</span> <span class="nn">dateutil.relativedelta</span> <span class="kn">import</span> <span class="n">relativedelta</span> <span class="c1"># type: ignore</span> +</span><span id="extract_interval-473"><a href="#extract_interval-473"><span class="linenos">473</span></a> <span class="k">except</span> <span class="ne">ModuleNotFoundError</span><span class="p">:</span> +</span><span id="extract_interval-474"><a href="#extract_interval-474"><span class="linenos">474</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="extract_interval-475"><a href="#extract_interval-475"><span class="linenos">475</span></a> +</span><span id="extract_interval-476"><a href="#extract_interval-476"><span class="linenos">476</span></a> <span class="n">n</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">interval</span><span class="o">.</span><span class="n">name</span><span class="p">)</span> +</span><span id="extract_interval-477"><a href="#extract_interval-477"><span class="linenos">477</span></a> <span class="n">unit</span> <span class="o">=</span> <span class="n">interval</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="s2">"unit"</span><span class="p">)</span><span class="o">.</span><span class="n">lower</span><span class="p">()</span> +</span><span id="extract_interval-478"><a href="#extract_interval-478"><span class="linenos">478</span></a> +</span><span id="extract_interval-479"><a href="#extract_interval-479"><span class="linenos">479</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"year"</span><span class="p">:</span> +</span><span id="extract_interval-480"><a href="#extract_interval-480"><span class="linenos">480</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">years</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> +</span><span id="extract_interval-481"><a href="#extract_interval-481"><span class="linenos">481</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"month"</span><span class="p">:</span> +</span><span id="extract_interval-482"><a href="#extract_interval-482"><span class="linenos">482</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">months</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> +</span><span id="extract_interval-483"><a href="#extract_interval-483"><span class="linenos">483</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"week"</span><span class="p">:</span> +</span><span id="extract_interval-484"><a href="#extract_interval-484"><span class="linenos">484</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">weeks</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> +</span><span id="extract_interval-485"><a href="#extract_interval-485"><span class="linenos">485</span></a> <span class="k">if</span> <span class="n">unit</span> <span class="o">==</span> <span class="s2">"day"</span><span class="p">:</span> +</span><span id="extract_interval-486"><a href="#extract_interval-486"><span class="linenos">486</span></a> <span class="k">return</span> <span class="n">relativedelta</span><span class="p">(</span><span class="n">days</span><span class="o">=</span><span class="n">n</span><span class="p">)</span> +</span><span id="extract_interval-487"><a href="#extract_interval-487"><span class="linenos">487</span></a> <span class="k">return</span> <span class="kc">None</span> </span></pre></div> @@ -1372,11 +1376,11 @@ elimination: </div> <a class="headerlink" href="#date_literal"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="date_literal-488"><a href="#date_literal-488"><span class="linenos">488</span></a><span class="k">def</span> <span class="nf">date_literal</span><span class="p">(</span><span class="n">date</span><span class="p">):</span> -</span><span id="date_literal-489"><a href="#date_literal-489"><span class="linenos">489</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span> -</span><span id="date_literal-490"><a href="#date_literal-490"><span class="linenos">490</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">date</span><span class="p">),</span> -</span><span id="date_literal-491"><a href="#date_literal-491"><span class="linenos">491</span></a> <span class="s2">"DATETIME"</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">date</span><span class="p">,</span> <span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"DATE"</span><span class="p">,</span> -</span><span id="date_literal-492"><a href="#date_literal-492"><span class="linenos">492</span></a> <span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="date_literal-490"><a href="#date_literal-490"><span class="linenos">490</span></a><span class="k">def</span> <span class="nf">date_literal</span><span class="p">(</span><span class="n">date</span><span class="p">):</span> +</span><span id="date_literal-491"><a href="#date_literal-491"><span class="linenos">491</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">cast</span><span class="p">(</span> +</span><span id="date_literal-492"><a href="#date_literal-492"><span class="linenos">492</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">Literal</span><span class="o">.</span><span class="n">string</span><span class="p">(</span><span class="n">date</span><span class="p">),</span> +</span><span id="date_literal-493"><a href="#date_literal-493"><span class="linenos">493</span></a> <span class="s2">"DATETIME"</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">date</span><span class="p">,</span> <span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="p">)</span> <span class="k">else</span> <span class="s2">"DATE"</span><span class="p">,</span> +</span><span id="date_literal-494"><a href="#date_literal-494"><span class="linenos">494</span></a> <span class="p">)</span> </span></pre></div> @@ -1394,8 +1398,8 @@ elimination: </div> <a class="headerlink" href="#boolean_literal"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="boolean_literal-495"><a href="#boolean_literal-495"><span class="linenos">495</span></a><span class="k">def</span> <span class="nf">boolean_literal</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> -</span><span id="boolean_literal-496"><a href="#boolean_literal-496"><span class="linenos">496</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">condition</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="boolean_literal-497"><a href="#boolean_literal-497"><span class="linenos">497</span></a><span class="k">def</span> <span class="nf">boolean_literal</span><span class="p">(</span><span class="n">condition</span><span class="p">):</span> +</span><span id="boolean_literal-498"><a href="#boolean_literal-498"><span class="linenos">498</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">true</span><span class="p">()</span> <span class="k">if</span> <span class="n">condition</span> <span class="k">else</span> <span class="n">exp</span><span class="o">.</span><span class="n">false</span><span class="p">()</span> </span></pre></div> |