diff options
Diffstat (limited to 'sqlglot/dialects/clickhouse.py')
| -rw-r--r-- | sqlglot/dialects/clickhouse.py | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/sqlglot/dialects/clickhouse.py b/sqlglot/dialects/clickhouse.py index f446e6d..332b4c1 100644 --- a/sqlglot/dialects/clickhouse.py +++ b/sqlglot/dialects/clickhouse.py @@ -1,8 +1,9 @@ -from sqlglot import exp +from __future__ import annotations + +from sqlglot import exp, generator, parser, tokens from sqlglot.dialects.dialect import Dialect, inline_array_sql, var_map_sql -from sqlglot.generator import Generator -from sqlglot.parser import Parser, parse_var_map -from sqlglot.tokens import Tokenizer, TokenType +from sqlglot.parser import parse_var_map +from sqlglot.tokens import TokenType def _lower_func(sql): @@ -14,11 +15,12 @@ class ClickHouse(Dialect): normalize_functions = None null_ordering = "nulls_are_last" - class Tokenizer(Tokenizer): + class Tokenizer(tokens.Tokenizer): + COMMENTS = ["--", "#", "#!", ("/*", "*/")] IDENTIFIERS = ['"', "`"] KEYWORDS = { - **Tokenizer.KEYWORDS, + **tokens.Tokenizer.KEYWORDS, "FINAL": TokenType.FINAL, "DATETIME64": TokenType.DATETIME, "INT8": TokenType.TINYINT, @@ -30,9 +32,9 @@ class ClickHouse(Dialect): "TUPLE": TokenType.STRUCT, } - class Parser(Parser): + class Parser(parser.Parser): FUNCTIONS = { - **Parser.FUNCTIONS, + **parser.Parser.FUNCTIONS, "MAP": parse_var_map, } @@ -44,11 +46,11 @@ class ClickHouse(Dialect): return this - class Generator(Generator): + class Generator(generator.Generator): STRUCT_DELIMITER = ("(", ")") TYPE_MAPPING = { - **Generator.TYPE_MAPPING, + **generator.Generator.TYPE_MAPPING, exp.DataType.Type.NULLABLE: "Nullable", exp.DataType.Type.DATETIME: "DateTime64", exp.DataType.Type.MAP: "Map", @@ -63,7 +65,7 @@ class ClickHouse(Dialect): } TRANSFORMS = { - **Generator.TRANSFORMS, + **generator.Generator.TRANSFORMS, exp.Array: inline_array_sql, exp.StrPosition: lambda self, e: f"position({self.format_args(e.this, e.args.get('substr'), e.args.get('position'))})", exp.Final: lambda self, e: f"{self.sql(e, 'this')} FINAL", |