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| author | jazzthief <mynameisyegor@gmail.com> | 2023-02-02 13:48:13 -0500 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2023-02-06 12:59:34 -0500 |
| commit | 781ac8f0aa1ef9289e424f451353f491b09bd01f (patch) | |
| tree | 9476c69b661351a2c7708103d5ec2a1b964369e9 /lib/sqlalchemy/sql/elements.py | |
| parent | 0635235090c85e2c1a18676ca49652d2c2094925 (diff) | |
| download | sqlalchemy-781ac8f0aa1ef9289e424f451353f491b09bd01f.tar.gz | |
Dedicated bitwise operators
Added a full suite of new SQL bitwise operators, for performing
database-side bitwise expressions on appropriate data values such as
integers, bit-strings, and similar. Pull request courtesy Yegor Statkevich.
Fixes: #8780
Closes: #9204
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/9204
Pull-request-sha: a4541772a6a784f9161ad78ef84d2ea7a62fa8de
Change-Id: I4c70e80f9548dcc1b4e3dccd71bd59d51d3ed46e
Diffstat (limited to 'lib/sqlalchemy/sql/elements.py')
| -rw-r--r-- | lib/sqlalchemy/sql/elements.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/elements.py b/lib/sqlalchemy/sql/elements.py index c3f7b884c..70c65b5a1 100644 --- a/lib/sqlalchemy/sql/elements.py +++ b/lib/sqlalchemy/sql/elements.py @@ -3587,6 +3587,21 @@ class UnaryExpression(ColumnElement[_T]): wraps_column_expression=False, ) + @classmethod + def _create_bitwise_not( + cls, + expr: _ColumnExpressionArgument[_T], + ) -> UnaryExpression[_T]: + col_expr: ColumnElement[_T] = coercions.expect( + roles.ExpressionElementRole, expr + ) + return UnaryExpression( + col_expr, + operator=operators.bitwise_not_op, + type_=col_expr.type, + wraps_column_expression=False, + ) + @property def _order_by_label_element(self) -> Optional[Label[Any]]: if self.modifier in (operators.desc_op, operators.asc_op): |