diff options
Diffstat (limited to 'lib/sqlalchemy/sql')
| -rw-r--r-- | lib/sqlalchemy/sql/expression.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py index b721e5884..cb2bcd6d6 100644 --- a/lib/sqlalchemy/sql/expression.py +++ b/lib/sqlalchemy/sql/expression.py @@ -1383,8 +1383,8 @@ class _CompareMixin(ColumnOperators): args.append(o) if len(args) == 0: - # Special case handling for empty IN's - return _Grouping(case([(self.__eq__(None), text('NULL'))], else_=text('0')).__eq__(text('1'))) + # Special case handling for empty IN's, behave like comparison against zero row selectable + return self != self return self.__compare(op, ClauseList(*args).self_group(against=op), negate=negate_op) |