diff options
Diffstat (limited to 'lib/sqlalchemy/sql.py')
| -rw-r--r-- | lib/sqlalchemy/sql.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql.py b/lib/sqlalchemy/sql.py index bcb02efa4..4ac3467b2 100644 --- a/lib/sqlalchemy/sql.py +++ b/lib/sqlalchemy/sql.py @@ -283,7 +283,11 @@ class CompareMixin(object): return self._compare('LIKE', other) def in_(self, *other): - if _is_literal(other[0]): + if len(other) == 0: + return self.__eq__(None) + elif len(other) == 1: + return self.__eq__(other[0]) + elif _is_literal(other[0]): return self._compare('IN', CompoundClause(',', other)) else: return self._compare('IN', union(*other)) |