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-rw-r--r--lib/sqlalchemy/sql/elements.py12
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/sqlalchemy/sql/elements.py b/lib/sqlalchemy/sql/elements.py
index cc57e58e5..aa7b7f688 100644
--- a/lib/sqlalchemy/sql/elements.py
+++ b/lib/sqlalchemy/sql/elements.py
@@ -635,6 +635,7 @@ class ColumnElement(
__visit_name__ = "column_element"
primary_key = False
foreign_keys = []
+ _proxies = ()
_label = None
"""The named label that can be used to target
@@ -783,16 +784,13 @@ class ColumnElement(
@util.memoized_property
def base_columns(self):
- return util.column_set(
- c for c in self.proxy_set if not hasattr(c, "_proxies")
- )
+ return util.column_set(c for c in self.proxy_set if not c._proxies)
@util.memoized_property
def proxy_set(self):
s = util.column_set([self])
- if hasattr(self, "_proxies"):
- for c in self._proxies:
- s.update(c.proxy_set)
+ for c in self._proxies:
+ s.update(c.proxy_set)
return s
def shares_lineage(self, othercolumn):
@@ -4388,6 +4386,8 @@ class AnnotatedColumnElement(Annotated):
def __init__(self, element, values):
Annotated.__init__(self, element, values)
ColumnElement.comparator._reset(self)
+ if self._proxies:
+ ColumnElement.proxy_set._reset(self)
for attr in ("name", "key", "table"):
if self.__dict__.get(attr, False) is None:
self.__dict__.pop(attr)