t.Fatalf("expected language row still exists, got %d", count)
	}
}

// Multi-owners: HasMany update and delete
func TestClauseAssociationSetUpdateAndDeleteManyOwnersHasMany(t *testing.T) {
	ctx := context.Background()
	u1 := User{Name: "MultiOwners-HasMany-1", Age: 21}
	u1.Pets = []*Pet{{Name: "p1"}}
	u2 := User{Name: "MultiOwners-HasMany-2", Age: 22}
	u2.Pets = []*Pet{{Name: "p2"}}
	if err := DB.Create(&u1).Error; err != nil {

		}
	}

	assocDB := s.c.g.db.Session(&Session{NewDB: true, Context: ctx}).Model(assocModel).Where(op.Conditions)

	switch rel.Type {
	case schema.HasOne, schema.HasMany:
		assocDB = assocDB.Where("? IN (?)", foreignColumns, base.Select(ownerPKNames))
		switch op.Type {
		case clause.OpUnlink:
			return assocDB.Updates(fkNil).Error
		case clause.OpDelete:

func (h *handlers) init() {
	h.subSingle = make(map[subHandlerID]SingleHandlerFn)
	h.subStateless = make(map[subHandlerID]*StatelessHandler)
	h.subStreams = make(map[subHandlerID]*StreamHandler)
}

func (h *handlers) hasAny(id HandlerID) bool {
	if !id.valid() {
		return false
	}
	return h.single[id] != nil || h.stateless[id] != nil || h.streams[id] != nil
}

func (h *handlers) hasSubhandler(id subHandlerID) bool {