lifeisfoo
2020-11-28 20:47:50
该deleteMany方法返回具有三个字段的对象：
n–匹配文件的数量ok–1如果操作成功，则为0deletedCount–删除的文件数
这与mongodbdb.collection.deleteMany方法的行为相同。
我建议你向模型添加静态方法：
// Assign a function to the "statics" object of our schema
categorySchema.statics.deleteManyWithSubs = async function(catIds) {
const deleteQuery = /*your delete query using catIDs*/
const delRes = await this.deleteMany(deleteQuery);
catIds.forEach(id => {
await subcategoryModel.deleteMany({ category: id })
});
return true;
};
// Usage
categoryModel.deleteManyWithSubs(ids)...
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