添加注册登录功能

.venv/Lib/site-packages/sqlalchemy/orm/bulk_persistence.py

@@ -445,10 +445,23 @@ class ORMDMLState(AbstractORMCompileState):
                 )
 
     @classmethod
-    def _get_multi_crud_kv_pairs(cls, statement, kv_iterator):
-        plugin_subject = statement._propagate_attrs["plugin_subject"]
+    def _get_dml_plugin_subject(cls, statement):
+        plugin_subject = statement.table._propagate_attrs.get("plugin_subject")
 
-        if not plugin_subject or not plugin_subject.mapper:
+        if (
+            not plugin_subject
+            or not plugin_subject.mapper
+            or plugin_subject
+            is not statement._propagate_attrs["plugin_subject"]
+        ):
+            return None
+        return plugin_subject
+
+    @classmethod
+    def _get_multi_crud_kv_pairs(cls, statement, kv_iterator):
+        plugin_subject = cls._get_dml_plugin_subject(statement)
+
+        if not plugin_subject:
             return UpdateDMLState._get_multi_crud_kv_pairs(
                 statement, kv_iterator
             )
@@ -468,13 +481,12 @@ class ORMDMLState(AbstractORMCompileState):
             needs_to_be_cacheable
         ), "no test coverage for needs_to_be_cacheable=False"
 
-        plugin_subject = statement._propagate_attrs["plugin_subject"]
+        plugin_subject = cls._get_dml_plugin_subject(statement)
 
-        if not plugin_subject or not plugin_subject.mapper:
+        if not plugin_subject:
             return UpdateDMLState._get_crud_kv_pairs(
                 statement, kv_iterator, needs_to_be_cacheable
             )
-
         return list(
             cls._get_orm_crud_kv_pairs(
                 plugin_subject.mapper,