- changed title to non-assocative operators
non-assocative operators
Issue #1984
resolved
wowee:
from sqlalchemy.sql import column
from sqlalchemy import Integer
x = column('x', Integer)
y = column('y', Integer)
z = column('z', Integer)
expr = x - (y - z)
print expr
assuming you fix #1983:
x - y - z
bzzt
probable fix:
--- a/lib/sqlalchemy/sql/expression.py Wed Nov 24 12:27:22 2010 -0500
+++ b/lib/sqlalchemy/sql/expression.py Wed Nov 24 18:21:38 2010 -0500
@@ -37,7 +37,7 @@
functions = util.importlater("sqlalchemy.sql", "functions")
sqlutil = util.importlater("sqlalchemy.sql", "util")
sqltypes = util.importlater("sqlalchemy", "types")
-default = util.importlater("sqlalchemy.engine", "default")
+default = util.importlater("sqlalchemy.engine.default")
__all__ = [
'Alias', 'ClauseElement', 'ColumnCollection', 'ColumnElement',
@@ -2989,6 +2989,8 @@
if self.operator is not against and \
operators.is_precedent(self.operator, against):
return _Grouping(self)
+ elif self.operator is against and not operators.is_commutative(self.operator):
+ return _Grouping(self)
else:
return self
Comments (3)
-
reporter -
reporter - changed status to resolved
-
reporter - removed milestone
Removing milestone: 0.6.6 (automated comment)
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