diff options
Diffstat (limited to 'lib/sqlalchemy/sql/default_comparator.py')
| -rw-r--r-- | lib/sqlalchemy/sql/default_comparator.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/default_comparator.py b/lib/sqlalchemy/sql/default_comparator.py index 918f7524e..c0baa8555 100644 --- a/lib/sqlalchemy/sql/default_comparator.py +++ b/lib/sqlalchemy/sql/default_comparator.py @@ -178,6 +178,9 @@ def _unsupported_impl(expr, op, *arg, **kw): def _inv_impl(expr, op, **kw): """See :meth:`.ColumnOperators.__inv__`.""" + + # undocumented element currently used by the ORM for + # relationship.contains() if hasattr(expr, "negation_clause"): return expr.negation_clause else: |