diff options
Diffstat (limited to 'sqlglot/dialects/postgres.py')
| -rw-r--r-- | sqlglot/dialects/postgres.py | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/sqlglot/dialects/postgres.py b/sqlglot/dialects/postgres.py index 459e926..553a73b 100644 --- a/sqlglot/dialects/postgres.py +++ b/sqlglot/dialects/postgres.py @@ -1,4 +1,6 @@ -from sqlglot import exp +from __future__ import annotations + +from sqlglot import exp, generator, parser, tokens from sqlglot.dialects.dialect import ( Dialect, arrow_json_extract_scalar_sql, @@ -9,9 +11,7 @@ from sqlglot.dialects.dialect import ( no_trycast_sql, str_position_sql, ) -from sqlglot.generator import Generator -from sqlglot.parser import Parser -from sqlglot.tokens import Tokenizer, TokenType +from sqlglot.tokens import TokenType from sqlglot.transforms import delegate, preprocess @@ -160,12 +160,12 @@ class Postgres(Dialect): "YYYY": "%Y", # 2015 } - class Tokenizer(Tokenizer): + class Tokenizer(tokens.Tokenizer): BIT_STRINGS = [("b'", "'"), ("B'", "'")] HEX_STRINGS = [("x'", "'"), ("X'", "'")] BYTE_STRINGS = [("e'", "'"), ("E'", "'")] KEYWORDS = { - **Tokenizer.KEYWORDS, + **tokens.Tokenizer.KEYWORDS, "ALWAYS": TokenType.ALWAYS, "BY DEFAULT": TokenType.BY_DEFAULT, "COMMENT ON": TokenType.COMMENT_ON, @@ -179,31 +179,32 @@ class Postgres(Dialect): } QUOTES = ["'", "$$"] SINGLE_TOKENS = { - **Tokenizer.SINGLE_TOKENS, + **tokens.Tokenizer.SINGLE_TOKENS, "$": TokenType.PARAMETER, } - class Parser(Parser): + class Parser(parser.Parser): STRICT_CAST = False FUNCTIONS = { - **Parser.FUNCTIONS, + **parser.Parser.FUNCTIONS, "TO_TIMESTAMP": _to_timestamp, "TO_CHAR": format_time_lambda(exp.TimeToStr, "postgres"), } - class Generator(Generator): + class Generator(generator.Generator): TYPE_MAPPING = { - **Generator.TYPE_MAPPING, + **generator.Generator.TYPE_MAPPING, exp.DataType.Type.TINYINT: "SMALLINT", exp.DataType.Type.FLOAT: "REAL", exp.DataType.Type.DOUBLE: "DOUBLE PRECISION", exp.DataType.Type.BINARY: "BYTEA", + exp.DataType.Type.VARBINARY: "BYTEA", exp.DataType.Type.DATETIME: "TIMESTAMP", } TRANSFORMS = { - **Generator.TRANSFORMS, + **generator.Generator.TRANSFORMS, exp.ColumnDef: preprocess( [ _auto_increment_to_serial, |