rename func dict

Author: geooo109

sqlglot/dialects/dialect.py

@@ -558,7 +558,7 @@ class Dialect(metaclass=_Dialect):
     Whether a UUID is considered a string or a UUID type.
     """
 
-    FUNCTIONS_COLUMN_NAMES: t.Dict[t.Type[exp.Func], t.Union[str, t.Tuple[str, ...]]] = {}
+    DEFAULT_FUNCTIONS_COLUMN_NAMES: t.Dict[t.Type[exp.Func], t.Union[str, t.Tuple[str, ...]]] = {}
     """
     Maps function expressions to their default output column name(s).
     """

sqlglot/dialects/postgres.py

@@ -300,7 +300,7 @@ class Postgres(Dialect):
     TABLESAMPLE_SIZE_IS_PERCENT = True
     SUPPORTS_TABLES_REFERENCED_AS_COLUMNS = True
 
-    FUNCTIONS_COLUMN_NAMES = {
+    DEFAULT_FUNCTIONS_COLUMN_NAMES = {
         exp.ExplodingGenerateSeries: "generate_series",
     }
 

sqlglot/optimizer/qualify_tables.py

@@ -99,7 +99,9 @@ def _qualify(table: exp.Table) -> None:
                 if isinstance(source.this, exp.Func):
                     table_alias = source.args.get("alias")
                     if not table_alias:
-                        function_columns = dialect.FUNCTIONS_COLUMN_NAMES.get(type(source.this))
+                        function_columns = dialect.DEFAULT_FUNCTIONS_COLUMN_NAMES.get(
+                            type(source.this)
+                        )
                         exp.alias_(
                             source,
                             next_alias_name(),