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Merging upstream version 6.3.1.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-13 14:45:11 +01:00
parent 81e6900b0a
commit 393757f998
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
41 changed files with 1558 additions and 267 deletions
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33
sqlglot/dialects/clickhouse.py
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@ -1,10 +1,16 @@
from sqlglot import exp
from sqlglot.dialects.dialect import Dialect, inline_array_sql
from sqlglot.dialects.dialect import Dialect, inline_array_sql, var_map_sql
from sqlglot.generator import Generator
from sqlglot.parser import Parser
from sqlglot.helper import csv
from sqlglot.parser import Parser, parse_var_map
from sqlglot.tokens import Tokenizer, TokenType
def _lower_func(sql):
index = sql.index("(")
return sql[:index].lower() + sql[index:]
class ClickHouse(Dialect):
normalize_functions = None
null_ordering = "nulls_are_last"
@ -14,17 +20,23 @@ class ClickHouse(Dialect):
KEYWORDS = {
**Tokenizer.KEYWORDS,
"NULLABLE": TokenType.NULLABLE,
"FINAL": TokenType.FINAL,
"DATETIME64": TokenType.DATETIME,
"INT8": TokenType.TINYINT,
"INT16": TokenType.SMALLINT,
"INT32": TokenType.INT,
"INT64": TokenType.BIGINT,
"FLOAT32": TokenType.FLOAT,
"FLOAT64": TokenType.DOUBLE,
"TUPLE": TokenType.STRUCT,
}
class Parser(Parser):
FUNCTIONS = {
**Parser.FUNCTIONS,
"MAP": parse_var_map,
}
def _parse_table(self, schema=False):
this = super()._parse_table(schema)
@ -39,10 +51,25 @@ class ClickHouse(Dialect):
TYPE_MAPPING = {
**Generator.TYPE_MAPPING,
exp.DataType.Type.NULLABLE: "Nullable",
exp.DataType.Type.DATETIME: "DateTime64",
exp.DataType.Type.MAP: "Map",
exp.DataType.Type.ARRAY: "Array",
exp.DataType.Type.STRUCT: "Tuple",
exp.DataType.Type.TINYINT: "Int8",
exp.DataType.Type.SMALLINT: "Int16",
exp.DataType.Type.INT: "Int32",
exp.DataType.Type.BIGINT: "Int64",
exp.DataType.Type.FLOAT: "Float32",
exp.DataType.Type.DOUBLE: "Float64",
}
TRANSFORMS = {
**Generator.TRANSFORMS,
exp.Array: inline_array_sql,
exp.StrPosition: lambda self, e: f"position({csv(self.sql(e, 'this'), self.sql(e, 'substr'), self.sql(e, 'position'))})",
exp.Final: lambda self, e: f"{self.sql(e, 'this')} FINAL",
exp.Map: lambda self, e: _lower_func(var_map_sql(self, e)),
exp.VarMap: lambda self, e: _lower_func(var_map_sql(self, e)),
}
EXPLICIT_UNION = True