summaryrefslogtreecommitdiff
path: root/lib/sqlalchemy/sql/operators.py
diff options
context:
space:
mode:
authorJason Kirtland <jek@discorporate.us>2008-07-15 21:43:02 +0000
committerJason Kirtland <jek@discorporate.us>2008-07-15 21:43:02 +0000
commit38f982c022e710a7cd91021191fe07cfcc53e1fe (patch)
tree0a3e00827e3327d7f770f56388c48a7d51912505 /lib/sqlalchemy/sql/operators.py
parent3da6297d78a699087e538bb8fc5a92039ff21f98 (diff)
downloadsqlalchemy-38f982c022e710a7cd91021191fe07cfcc53e1fe.tar.gz
- Moved to 2.4+ import syntax (w/ some experimental merge-friendly formatting)
Diffstat (limited to 'lib/sqlalchemy/sql/operators.py')
-rw-r--r--lib/sqlalchemy/sql/operators.py69
1 files changed, 36 insertions, 33 deletions
diff --git a/lib/sqlalchemy/sql/operators.py b/lib/sqlalchemy/sql/operators.py
index cc96f2e64..d28a6e0f5 100644
--- a/lib/sqlalchemy/sql/operators.py
+++ b/lib/sqlalchemy/sql/operators.py
@@ -3,10 +3,12 @@
"""Defines operators used in SQL expressions."""
-from operator import and_, or_, inv, add, mul, sub, div, mod, truediv, \
- lt, le, ne, gt, ge, eq
+from operator import (
+ and_, or_, inv, add, mul, sub, div, mod, truediv, lt, le, ne, gt, ge, eq
+ )
from sqlalchemy.util import symbol
+
def from_():
raise NotImplementedError()
@@ -84,40 +86,41 @@ _smallest = symbol('_smallest')
_largest = symbol('_largest')
_PRECEDENCE = {
- from_:15,
- mul:7,
- div:7,
- mod:7,
- add:6,
- sub:6,
- concat_op:6,
- match_op:6,
- ilike_op:5,
- notilike_op:5,
- like_op:5,
- notlike_op:5,
- in_op:5,
- notin_op:5,
- is_:5,
- isnot:5,
- eq:5,
- ne:5,
- gt:5,
- lt:5,
- ge:5,
- le:5,
- between_op:5,
- distinct_op:5,
- inv:5,
- and_:3,
- or_:2,
- comma_op:-1,
+ from_: 15,
+ mul: 7,
+ div: 7,
+ mod: 7,
+ add: 6,
+ sub: 6,
+ concat_op: 6,
+ match_op: 6,
+ ilike_op: 5,
+ notilike_op: 5,
+ like_op: 5,
+ notlike_op: 5,
+ in_op: 5,
+ notin_op: 5,
+ is_: 5,
+ isnot: 5,
+ eq: 5,
+ ne: 5,
+ gt: 5,
+ lt: 5,
+ ge: 5,
+ le: 5,
+ between_op: 5,
+ distinct_op: 5,
+ inv: 5,
+ and_: 3,
+ or_: 2,
+ comma_op: -1,
collate: -2,
- as_:-1,
- exists:0,
+ as_: -1,
+ exists: 0,
_smallest: -1000,
_largest: 1000
}
def is_precedent(operator, against):
- return _PRECEDENCE.get(operator, _PRECEDENCE[_smallest]) <= _PRECEDENCE.get(against, _PRECEDENCE[_largest])
+ return (_PRECEDENCE.get(operator, _PRECEDENCE[_smallest]) <=
+ _PRECEDENCE.get(against, _PRECEDENCE[_largest]))