diff options
Diffstat (limited to 'lib/sqlalchemy/sql/compiler.py')
| -rw-r--r-- | lib/sqlalchemy/sql/compiler.py | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py index 0c701cb52..a466216e3 100644 --- a/lib/sqlalchemy/sql/compiler.py +++ b/lib/sqlalchemy/sql/compiler.py @@ -1914,10 +1914,14 @@ class SQLCompiler(Compiled): ): if not values: - assert not parameter.type._is_tuple_type - replacement_expression = self.visit_empty_set_expr( - [parameter.type] - ) + if parameter.type._is_tuple_type: + replacement_expression = ( + "VALUES " if self.dialect.tuple_in_values else "" + ) + self.visit_empty_set_expr(parameter.type.types) + else: + replacement_expression = self.visit_empty_set_expr( + [parameter.type] + ) elif isinstance(values[0], (tuple, list)): assert parameter.type._is_tuple_type |