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-rw-r--r--lib/sqlalchemy/sql/traversals.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/traversals.py b/lib/sqlalchemy/sql/traversals.py
index e8a805285..e64eff6a4 100644
--- a/lib/sqlalchemy/sql/traversals.py
+++ b/lib/sqlalchemy/sql/traversals.py
@@ -310,6 +310,12 @@ class CacheKey(namedtuple("CacheKey", ["key", "bindparams"])):
def __eq__(self, other):
return self.key == other.key
+ @classmethod
+ def _diff_tuples(cls, left, right):
+ ck1 = CacheKey(left, [])
+ ck2 = CacheKey(right, [])
+ return ck1._diff(ck2)
+
def _whats_different(self, other):
k1 = self.key
@@ -413,6 +419,11 @@ class _CacheKey(ExtendedInternalTraversal):
visit_propagate_attrs = PROPAGATE_ATTRS
+ def visit_with_context_options(
+ self, attrname, obj, parent, anon_map, bindparams
+ ):
+ return tuple((fn.__code__, c_key) for fn, c_key in obj)
+
def visit_inspectable(self, attrname, obj, parent, anon_map, bindparams):
return (attrname, inspect(obj)._gen_cache_key(anon_map, bindparams))
@@ -1209,6 +1220,13 @@ class TraversalComparatorStrategy(InternalTraversal, util.MemoizedSlots):
else:
return left == right
+ def visit_with_context_options(
+ self, attrname, left_parent, left, right_parent, right, **kw
+ ):
+ return tuple((fn.__code__, c_key) for fn, c_key in left) == tuple(
+ (fn.__code__, c_key) for fn, c_key in right
+ )
+
def visit_plain_obj(
self, attrname, left_parent, left, right_parent, right, **kw
):