diff options
Diffstat (limited to 'sqlglot/dialects/dialect.py')
| -rw-r--r-- | sqlglot/dialects/dialect.py | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/sqlglot/dialects/dialect.py b/sqlglot/dialects/dialect.py index f338c81..0120e71 100644 --- a/sqlglot/dialects/dialect.py +++ b/sqlglot/dialects/dialect.py @@ -27,6 +27,7 @@ class Dialects(str, Enum): STARROCKS = "starrocks" TABLEAU = "tableau" TRINO = "trino" + TSQL = "tsql" class _Dialect(type): @@ -53,7 +54,6 @@ class _Dialect(type): klass.parser_class = getattr(klass, "Parser", Parser) klass.generator_class = getattr(klass, "Generator", Generator) - klass.tokenizer = klass.tokenizer_class() klass.quote_start, klass.quote_end = list(klass.tokenizer_class._QUOTES.items())[0] klass.identifier_start, klass.identifier_end = list(klass.tokenizer_class._IDENTIFIERS.items())[0] @@ -95,7 +95,6 @@ class Dialect(metaclass=_Dialect): tokenizer_class = None parser_class = None generator_class = None - tokenizer = None @classmethod def get_or_raise(cls, dialect): @@ -138,6 +137,12 @@ class Dialect(metaclass=_Dialect): def transpile(self, code, **opts): return self.generate(self.parse(code), **opts) + @property + def tokenizer(self): + if not hasattr(self, "_tokenizer"): + self._tokenizer = self.tokenizer_class() + return self._tokenizer + def parser(self, **opts): return self.parser_class( **{ @@ -170,7 +175,15 @@ class Dialect(metaclass=_Dialect): def rename_func(name): - return lambda self, expression: f"{name}({csv(*[self.sql(e) for e in expression.args.values()])})" + def _rename(self, expression): + args = ( + self.expressions(expression, flat=True) + if isinstance(expression, exp.Func) and expression.is_var_len_args + else csv(*[self.sql(e) for e in expression.args.values()]) + ) + return f"{name}({args})" + + return _rename def approx_count_distinct_sql(self, expression): |