raise exception if subselect in join is not aliased

mindsdb/mindsdb#7081
mindsdb · Aug 10, 2023 · af998dc · af998dc
1 parent ae16515
commit af998dc
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/mindsdb_sql/planner/query_planner.py b/mindsdb_sql/planner/query_planner.py
@@ -817,6 +817,8 @@ def _check_condition(node, **kwargs):
 
                     # apply table alias
                     query2 = Select(targets=[Star()], where=where)
+                    if item['table'].alias is None:
+                        raise PlanningException(f'Subselect in join have to be aliased: {item["sub_select"].to_string()}')
                     table_name = item['table'].alias.parts[-1]
 
                     add_absent_cols = False