summaryrefslogtreecommitdiffstats
path: root/sqlglot/dialects
diff options
context:
space:
mode:
Diffstat (limited to 'sqlglot/dialects')
-rw-r--r--sqlglot/dialects/__init__.py1
-rw-r--r--sqlglot/dialects/databricks.py21
-rw-r--r--sqlglot/dialects/dialect.py13
-rw-r--r--sqlglot/dialects/hive.py2
-rw-r--r--sqlglot/dialects/presto.py1
-rw-r--r--sqlglot/dialects/snowflake.py2
-rw-r--r--sqlglot/dialects/sqlite.py1
-rw-r--r--sqlglot/dialects/tsql.py78
8 files changed, 104 insertions, 15 deletions
diff --git a/sqlglot/dialects/__init__.py b/sqlglot/dialects/__init__.py
index 0f80723..0816831 100644
--- a/sqlglot/dialects/__init__.py
+++ b/sqlglot/dialects/__init__.py
@@ -1,5 +1,6 @@
from sqlglot.dialects.bigquery import BigQuery
from sqlglot.dialects.clickhouse import ClickHouse
+from sqlglot.dialects.databricks import Databricks
from sqlglot.dialects.dialect import Dialect, Dialects
from sqlglot.dialects.duckdb import DuckDB
from sqlglot.dialects.hive import Hive
diff --git a/sqlglot/dialects/databricks.py b/sqlglot/dialects/databricks.py
new file mode 100644
index 0000000..9dc3c38
--- /dev/null
+++ b/sqlglot/dialects/databricks.py
@@ -0,0 +1,21 @@
+from sqlglot import exp
+from sqlglot.dialects.dialect import parse_date_delta
+from sqlglot.dialects.spark import Spark
+from sqlglot.dialects.tsql import generate_date_delta_with_unit_sql
+
+
+class Databricks(Spark):
+ class Parser(Spark.Parser):
+ FUNCTIONS = {
+ **Spark.Parser.FUNCTIONS,
+ "DATEADD": parse_date_delta(exp.DateAdd),
+ "DATE_ADD": parse_date_delta(exp.DateAdd),
+ "DATEDIFF": parse_date_delta(exp.DateDiff),
+ }
+
+ class Generator(Spark.Generator):
+ TRANSFORMS = {
+ **Spark.Generator.TRANSFORMS,
+ exp.DateAdd: generate_date_delta_with_unit_sql,
+ exp.DateDiff: generate_date_delta_with_unit_sql,
+ }
diff --git a/sqlglot/dialects/dialect.py b/sqlglot/dialects/dialect.py
index 46661cf..33985a7 100644
--- a/sqlglot/dialects/dialect.py
+++ b/sqlglot/dialects/dialect.py
@@ -28,6 +28,7 @@ class Dialects(str, Enum):
TABLEAU = "tableau"
TRINO = "trino"
TSQL = "tsql"
+ DATABRICKS = "databricks"
class _Dialect(type):
@@ -331,3 +332,15 @@ def create_with_partitions_sql(self, expression):
expression.set("this", schema)
return self.create_sql(expression)
+
+
+def parse_date_delta(exp_class, unit_mapping=None):
+ def inner_func(args):
+ unit_based = len(args) == 3
+ this = list_get(args, 2) if unit_based else list_get(args, 0)
+ expression = list_get(args, 1) if unit_based else list_get(args, 1)
+ unit = list_get(args, 0) if unit_based else exp.Literal.string("DAY")
+ unit = unit_mapping.get(unit.name.lower(), unit) if unit_mapping else unit
+ return exp_class(this=this, expression=expression, unit=unit)
+
+ return inner_func
diff --git a/sqlglot/dialects/hive.py b/sqlglot/dialects/hive.py
index 63fdb85..03049ff 100644
--- a/sqlglot/dialects/hive.py
+++ b/sqlglot/dialects/hive.py
@@ -111,6 +111,7 @@ def _unnest_to_explode_sql(self, expression):
self.sql(
exp.Lateral(
this=udtf(this=expression),
+ view=True,
alias=exp.TableAlias(this=alias.this, columns=[column]),
)
)
@@ -283,6 +284,7 @@ class Hive(Dialect):
exp.UnixToTime: rename_func("FROM_UNIXTIME"),
exp.UnixToTimeStr: rename_func("FROM_UNIXTIME"),
exp.PartitionedByProperty: lambda self, e: f"PARTITIONED BY {self.sql(e, 'value')}",
+ exp.NumberToStr: rename_func("FORMAT_NUMBER"),
}
WITH_PROPERTIES = {exp.AnonymousProperty}
diff --git a/sqlglot/dialects/presto.py b/sqlglot/dialects/presto.py
index 41c0db1..a2d392c 100644
--- a/sqlglot/dialects/presto.py
+++ b/sqlglot/dialects/presto.py
@@ -115,6 +115,7 @@ class Presto(Dialect):
class Tokenizer(Tokenizer):
KEYWORDS = {
**Tokenizer.KEYWORDS,
+ "VARBINARY": TokenType.BINARY,
"ROW": TokenType.STRUCT,
}
diff --git a/sqlglot/dialects/snowflake.py b/sqlglot/dialects/snowflake.py
index 627258f..3b97e6d 100644
--- a/sqlglot/dialects/snowflake.py
+++ b/sqlglot/dialects/snowflake.py
@@ -188,6 +188,8 @@ class Snowflake(Dialect):
}
class Generator(Generator):
+ CREATE_TRANSIENT = True
+
TRANSFORMS = {
**Generator.TRANSFORMS,
exp.ArrayConcat: rename_func("ARRAY_CAT"),
diff --git a/sqlglot/dialects/sqlite.py b/sqlglot/dialects/sqlite.py
index cfdbe1b..62b7617 100644
--- a/sqlglot/dialects/sqlite.py
+++ b/sqlglot/dialects/sqlite.py
@@ -20,6 +20,7 @@ class SQLite(Dialect):
KEYWORDS = {
**Tokenizer.KEYWORDS,
+ "VARBINARY": TokenType.BINARY,
"AUTOINCREMENT": TokenType.AUTO_INCREMENT,
}
diff --git a/sqlglot/dialects/tsql.py b/sqlglot/dialects/tsql.py
index 107ace7..0f93c75 100644
--- a/sqlglot/dialects/tsql.py
+++ b/sqlglot/dialects/tsql.py
@@ -1,5 +1,7 @@
+import re
+
from sqlglot import exp
-from sqlglot.dialects.dialect import Dialect, rename_func
+from sqlglot.dialects.dialect import Dialect, parse_date_delta, rename_func
from sqlglot.expressions import DataType
from sqlglot.generator import Generator
from sqlglot.helper import list_get
@@ -27,6 +29,11 @@ DATE_DELTA_INTERVAL = {
}
+DATE_FMT_RE = re.compile("([dD]{1,2})|([mM]{1,2})|([yY]{1,4})|([hH]{1,2})|([sS]{1,2})")
+# N = Numeric, C=Currency
+TRANSPILE_SAFE_NUMBER_FMT = {"N", "C"}
+
+
def tsql_format_time_lambda(exp_class, full_format_mapping=None, default=None):
def _format_time(args):
return exp_class(
@@ -42,26 +49,40 @@ def tsql_format_time_lambda(exp_class, full_format_mapping=None, default=None):
return _format_time
-def parse_date_delta(exp_class):
- def inner_func(args):
- unit = DATE_DELTA_INTERVAL.get(list_get(args, 0).name.lower(), "day")
- return exp_class(this=list_get(args, 2), expression=list_get(args, 1), unit=unit)
-
- return inner_func
+def parse_format(args):
+ fmt = list_get(args, 1)
+ number_fmt = fmt.name in TRANSPILE_SAFE_NUMBER_FMT or not DATE_FMT_RE.search(fmt.this)
+ if number_fmt:
+ return exp.NumberToStr(this=list_get(args, 0), format=fmt)
+ return exp.TimeToStr(
+ this=list_get(args, 0),
+ format=exp.Literal.string(
+ format_time(fmt.name, TSQL.format_time_mapping)
+ if len(fmt.name) == 1
+ else format_time(fmt.name, TSQL.time_mapping)
+ ),
+ )
-def generate_date_delta(self, e):
+def generate_date_delta_with_unit_sql(self, e):
func = "DATEADD" if isinstance(e, exp.DateAdd) else "DATEDIFF"
return f"{func}({self.format_args(e.text('unit'), e.expression, e.this)})"
+def generate_format_sql(self, e):
+ fmt = (
+ e.args["format"]
+ if isinstance(e, exp.NumberToStr)
+ else exp.Literal.string(format_time(e.text("format"), TSQL.inverse_time_mapping))
+ )
+ return f"FORMAT({self.format_args(e.this, fmt)})"
+
+
class TSQL(Dialect):
null_ordering = "nulls_are_small"
time_format = "'yyyy-mm-dd hh:mm:ss'"
time_mapping = {
- "yyyy": "%Y",
- "yy": "%y",
"year": "%Y",
"qq": "%q",
"q": "%q",
@@ -101,6 +122,8 @@ class TSQL(Dialect):
"H": "%-H",
"h": "%-I",
"S": "%f",
+ "yyyy": "%Y",
+ "yy": "%y",
}
convert_format_mapping = {
@@ -143,6 +166,27 @@ class TSQL(Dialect):
"120": "%Y-%m-%d %H:%M:%S",
"121": "%Y-%m-%d %H:%M:%S.%f",
}
+ # not sure if complete
+ format_time_mapping = {
+ "y": "%B %Y",
+ "d": "%m/%d/%Y",
+ "H": "%-H",
+ "h": "%-I",
+ "s": "%Y-%m-%d %H:%M:%S",
+ "D": "%A,%B,%Y",
+ "f": "%A,%B,%Y %-I:%M %p",
+ "F": "%A,%B,%Y %-I:%M:%S %p",
+ "g": "%m/%d/%Y %-I:%M %p",
+ "G": "%m/%d/%Y %-I:%M:%S %p",
+ "M": "%B %-d",
+ "m": "%B %-d",
+ "O": "%Y-%m-%dT%H:%M:%S",
+ "u": "%Y-%M-%D %H:%M:%S%z",
+ "U": "%A, %B %D, %Y %H:%M:%S%z",
+ "T": "%-I:%M:%S %p",
+ "t": "%-I:%M",
+ "Y": "%a %Y",
+ }
class Tokenizer(Tokenizer):
IDENTIFIERS = ['"', ("[", "]")]
@@ -166,6 +210,7 @@ class TSQL(Dialect):
"SQL_VARIANT": TokenType.VARIANT,
"NVARCHAR(MAX)": TokenType.TEXT,
"VARCHAR(MAX)": TokenType.TEXT,
+ "TOP": TokenType.TOP,
}
class Parser(Parser):
@@ -173,8 +218,8 @@ class TSQL(Dialect):
**Parser.FUNCTIONS,
"CHARINDEX": exp.StrPosition.from_arg_list,
"ISNULL": exp.Coalesce.from_arg_list,
- "DATEADD": parse_date_delta(exp.DateAdd),
- "DATEDIFF": parse_date_delta(exp.DateDiff),
+ "DATEADD": parse_date_delta(exp.DateAdd, unit_mapping=DATE_DELTA_INTERVAL),
+ "DATEDIFF": parse_date_delta(exp.DateDiff, unit_mapping=DATE_DELTA_INTERVAL),
"DATENAME": tsql_format_time_lambda(exp.TimeToStr, full_format_mapping=True),
"DATEPART": tsql_format_time_lambda(exp.TimeToStr),
"GETDATE": exp.CurrentDate.from_arg_list,
@@ -182,6 +227,7 @@ class TSQL(Dialect):
"LEN": exp.Length.from_arg_list,
"REPLICATE": exp.Repeat.from_arg_list,
"JSON_VALUE": exp.JSONExtractScalar.from_arg_list,
+ "FORMAT": parse_format,
}
VAR_LENGTH_DATATYPES = {
@@ -194,7 +240,7 @@ class TSQL(Dialect):
def _parse_convert(self, strict):
to = self._parse_types()
self._match(TokenType.COMMA)
- this = self._parse_field()
+ this = self._parse_column()
# Retrieve length of datatype and override to default if not specified
if list_get(to.expressions, 0) is None and to.this in self.VAR_LENGTH_DATATYPES:
@@ -238,8 +284,10 @@ class TSQL(Dialect):
TRANSFORMS = {
**Generator.TRANSFORMS,
- exp.DateAdd: lambda self, e: generate_date_delta(self, e),
- exp.DateDiff: lambda self, e: generate_date_delta(self, e),
+ exp.DateAdd: generate_date_delta_with_unit_sql,
+ exp.DateDiff: generate_date_delta_with_unit_sql,
exp.CurrentDate: rename_func("GETDATE"),
exp.If: rename_func("IIF"),
+ exp.NumberToStr: generate_format_sql,
+ exp.TimeToStr: generate_format_sql,
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 21:18:44 +0000