Add defaults for builtins

Author: kesmit13

singlestoredb/fusion/handler.py

@@ -29,7 +29,6 @@
     close_paren = ws ")" ws
 '''
 
-
 BUILTINS = {
     '<order-by>': r'''
     order_by = ORDER BY order_by_key_,...
@@ -46,6 +45,13 @@
     ''',
 }
 
+BUILTIN_DEFAULTS = {  # type: ignore
+    'order_by': {'by': []},
+    'like': None,
+    'extended': False,
+    'limit': None,
+}
+
 
 def get_keywords(grammar: str) -> Tuple[str, ...]:
     """Return all all-caps words from the beginning of the line."""
@@ -546,7 +552,7 @@ def generic_visit(self, node: Node, visited_children: Iterable[Any]) -> Any:
                     if k.endswith('_cmd') or k.endswith('_'):
                         continue
                     if k not in final:
-                        final[k] = v['default']
+                        final[k] = BUILTIN_DEFAULTS.get(k, v['default'])
                 return final
 
             # Filter out stray empty strings