Fix join logic: correct field incorrectly identified as a foreign key.

Author: WaVEV

django_mongodb/features.py

@@ -86,8 +86,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
         # https://github.com/mongodb-labs/django-mongodb/issues/161
         "queries.tests.RelatedLookupTypeTests.test_values_queryset_lookup",
         "queries.tests.ValuesSubqueryTests.test_values_in_subquery",
-        # Wrong results for distinct() queries.
-        "admin_filters.tests.ListFiltersTests.test_emptylistfieldfilter_genericrelation",
     }
     # $bitAnd, #bitOr, and $bitXor are new in MongoDB 6.3.
     _django_test_expected_failures_bitwise = {

django_mongodb/query.py

@@ -154,7 +154,7 @@ def join(self, compiler, connection):
                 if isinstance(hand_side_value, Col):
                     # If the column is not part of the joined table, add it to
                     # lhs_fields.
-                    if hand_side_value.alias != self.table_name:
+                    if hand_side_value.alias != self.table_alias:
                         pos = len(lhs_fields)
                         lhs_fields.append(expr.lhs.as_mql(compiler, connection))
                     else: