fix: make ast consistent

tobymao · tobymao · commit 9b5839d7fb04 · 2024-07-25T14:54:13.000-07:00
diff --git a/sqlglot/parser.py b/sqlglot/parser.py
@@ -2760,7 +2760,7 @@ def _parse_select(
                 all_ = self._match(TokenType.ALL)
                 distinct = self._match_set(self.DISTINCT_TOKENS)
             else:
-                all_, distinct = False, False
+                all_, distinct = None, None
 
             kind = (
                 self._match(TokenType.ALIAS)
