diff options
Diffstat (limited to 'lib/sqlalchemy/sql/util.py')
| -rw-r--r-- | lib/sqlalchemy/sql/util.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/util.py b/lib/sqlalchemy/sql/util.py index 9a45a5777..511a5b0c2 100644 --- a/lib/sqlalchemy/sql/util.py +++ b/lib/sqlalchemy/sql/util.py @@ -100,7 +100,12 @@ def visit_binary_product(fn, expr): """ stack = [] def visit(element): - if element.__visit_name__ == 'binary' and \ + if isinstance(element, (expression.FromClause, + expression._ScalarSelect)): + # we dont want to dig into correlated subqueries, + # those are just column elements by themselves + yield element + elif element.__visit_name__ == 'binary' and \ operators.is_comparison(element.operator): stack.insert(0, element) for l in visit(element.left): |