def test_where_empty(self):
table1 = self.tables.mytable
self.assert_compile(
table1.update().where(
BooleanClauseList._construct_raw(operators.and_)),
"UPDATE mytable SET myid=:myid, name=:name, "
"description=:description",
)
self.assert_compile(
table1.update().where(
BooleanClauseList._construct_raw(operators.or_)),
"UPDATE mytable SET myid=:myid, name=:name, "
"description=:description",
)
def replace(self, elem):
if isinstance(elem, BinaryExpression):
if elem.left in self.tscols or elem.right in self.tscols:
return True_()
return elem
elif isinstance(elem, BooleanClauseList):
clauses = [
self.replace(c) for c in elem.clauses
if not isinstance(c, True_)
]
assert len(clauses)
if len(clauses) == 1:
return clauses[0]
elif elem.operator == operators.or_:
return BooleanClauseList.or_(*clauses)
elif elem.operator == operators.and_:
return BooleanClauseList.and_(*clauses)
raise RuntimeError(elem.operator)
return elem
