self._expandAttributes 不是函数

self._expandAttributes is not a function

 ppvPlanDb.models.ppv_plans.findAll({

                attributes: ['id', 'studio_id', 'status', 'is_advance_purchase','content_types_id' ],
                where: sequelize.and(sequelize.where(sequelize.col('ppv_plans.status'), '=', 1,sequelize.col('ppv_plans.studio_id'), '=', studio_id,sequelize.col('ppv_plans.is_advance_purchase'), '=', 1,sequelize.col('ppv_plans.content_types_id'), '', (1,4))),
                include: [{
                    model: ppvAdvanceContentDb.models.ppv_advance_content.findAll(),
                    required: false
                }]
            })

为什么控制台显示错误??有什么不对吗?我对如何在 sequelize 中连接两个表感到困惑。在这里,我试图连接两个表(ppv_plans 和 ppv_advance_content)。请告诉我。

您不需要添加对 .findAll() 的调用,model 字段应该只是对关联模型的引用

参考:https://sequelize.org/master/manual/eager-loading.html#fetching-all-associated-elements