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Diffstat (limited to 'lib/sqlalchemy/sql/expression.py')
| -rw-r--r-- | lib/sqlalchemy/sql/expression.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py index b00a7399a..121583cf8 100644 --- a/lib/sqlalchemy/sql/expression.py +++ b/lib/sqlalchemy/sql/expression.py @@ -2132,7 +2132,10 @@ class _DefaultColumnComparator(operators.ColumnOperators): 'contradiction, which nonetheless can be ' 'expensive to evaluate. Consider alternative ' 'strategies for improved performance.' % expr) - return expr != expr + if op is operators.in_op: + return expr != expr + else: + return expr == expr return self._boolean_compare(expr, op, ClauseList(*args).self_group(against=op), |