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-rw-r--r--lib/sqlalchemy/sql/operators.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/operators.py b/lib/sqlalchemy/sql/operators.py
index 89f0aaee1..b86b50db4 100644
--- a/lib/sqlalchemy/sql/operators.py
+++ b/lib/sqlalchemy/sql/operators.py
@@ -521,6 +521,11 @@ def nullslast_op(a):
_commutative = set([eq, ne, add, mul])
+_comparison = set([eq, ne, lt, gt, ge, le])
+
+def is_comparison(op):
+ return op in _comparison
+
def is_commutative(op):
return op in _commutative