diff options
Diffstat (limited to 'lib/sqlalchemy/sql/elements.py')
| -rw-r--r-- | lib/sqlalchemy/sql/elements.py | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/sqlalchemy/sql/elements.py b/lib/sqlalchemy/sql/elements.py index ba615bc3f..eda31dc61 100644 --- a/lib/sqlalchemy/sql/elements.py +++ b/lib/sqlalchemy/sql/elements.py @@ -3246,7 +3246,7 @@ class BinaryExpression(ColumnElement): # refer to BinaryExpression directly and pass strings if isinstance(operator, util.string_types): operator = operators.custom_op(operator) - self._orig = (left, right) + self._orig = (hash(left), hash(right)) self.left = left.self_group(against=operator) self.right = right.self_group(against=operator) self.operator = operator @@ -3261,7 +3261,7 @@ class BinaryExpression(ColumnElement): def __bool__(self): if self.operator in (operator.eq, operator.ne): - return self.operator(hash(self._orig[0]), hash(self._orig[1])) + return self.operator(self._orig[0], self._orig[1]) else: raise TypeError("Boolean value of this clause is not defined") @@ -3946,7 +3946,12 @@ class Label(HasMemoized, roles.LabeledColumnExprRole, ColumnElement): return key, e -class ColumnClause(roles.LabeledColumnExprRole, Immutable, ColumnElement): +class ColumnClause( + roles.DDLReferredColumnRole, + roles.LabeledColumnExprRole, + Immutable, + ColumnElement, +): """Represents a column expression from any textual string. The :class:`.ColumnClause`, a lightweight analogue to the |