Fixed #32944 -- Avoided unnecessary WhereNode.add() calls.

Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>

django/contrib/contenttypes/fields.py

@@ -14,6 +14,7 @@ from django.db.models.fields.related import (
     ReverseManyToOneDescriptor, lazy_related_operation,
 )
 from django.db.models.query_utils import PathInfo
+from django.db.models.sql import AND
 from django.utils.functional import cached_property
 
 
@@ -468,10 +469,8 @@ class GenericRelation(ForeignObject):
     def get_extra_restriction(self, where_class, alias, remote_alias):
         field = self.remote_field.model._meta.get_field(self.content_type_field_name)
         contenttype_pk = self.get_content_type().pk
-        cond = where_class()
         lookup = field.get_lookup('exact')(field.get_col(remote_alias), contenttype_pk)
-        cond.add(lookup, 'AND')
-        return cond
+        return where_class([lookup], connector=AND)
 
     def bulk_related_objects(self, objs, using=DEFAULT_DB_ALIAS):
         """

django/db/models/sql/query.py

@@ -1265,9 +1265,7 @@ class Query(BaseExpression):
             condition = filter_expr.resolve_expression(self, allow_joins=allow_joins)
             if not isinstance(condition, Lookup):
                 condition = self.build_lookup(['exact'], condition, True)
-            clause = self.where_class()
-            clause.add(condition, AND)
-            return clause, []
+            return self.where_class([condition], connector=AND), []
         arg, value = filter_expr
         if not arg:
             raise FieldError("Cannot parse keyword query %r" % arg)
@@ -1286,11 +1284,9 @@ class Query(BaseExpression):
         if check_filterable:
             self.check_filterable(value)
 
-        clause = self.where_class()
         if reffed_expression:
             condition = self.build_lookup(lookups, reffed_expression, value)
-            clause.add(condition, AND)
-            return clause, []
+            return self.where_class([condition], connector=AND), []
 
         opts = self.get_meta()
         alias = self.get_initial_alias()
@@ -1333,7 +1329,7 @@ class Query(BaseExpression):
 
         condition = self.build_lookup(lookups, col, value)
         lookup_type = condition.lookup_name
-        clause.add(condition, AND)
+        clause = self.where_class([condition], connector=AND)
 
         require_outer = lookup_type == 'isnull' and condition.rhs is True and not current_negated
         if current_negated and (lookup_type != 'isnull' or condition.rhs is False) and condition.rhs is not None: