}); var Story = mongoose.model('Story', StorySchema); var Person = mongoose.model('Person', PersonSchema); So far we've created two models. OurPersonmodel has itsstoriesfield set to an array ofObjectIds. Therefoption is what tells Mongoose in which model to look, in our case theStor...
query.or(array); arrayis an array of expressions. query.or([{ color: 'blue' }, { color: 'red' }]); Query#nor Specifies the$noroperator. query.nor(array); arrayis an array of expressions. query.nor([{ color: 'daffodil yellow' }, { color: 'atomic tangerine' }]); Query#equals ...
// Getting the new bid's _id from the array (it will be at index 0 because we sort buy amount) const newBidId = listingWithAddedBid.bids[0]._id // here how can I query the entire bid item from the array with 'newBidId'? this won't work this.listingModel.findById(newBidId) ...
participants: { $elemMatch: [msg.senderId, msg.recId] }, // ^ Query filter must be an object, got an array }) $elemMatch,因为您需要participants数组包含查询数组中的两个/所有用户。 您的代码应该如下所示: const existingConvo = await Conversation.findOne({ participants: { $all: [msg.sender...
Model.paginate().then(function(result){// result.docs - array of plain javascript objects// result.limit - 20}); Fetch all docs without pagination If you need to fetch all the documents in the collection without applying a limit. Then setpaginationas false, ...
More information:https://mongoosejs.com/docs/api/model.html#Model.find() q qis an alias forquery. {"q":{"name":"Kitty","age":2,}} populate populatetakes a string, an object, or and array as a value. The object or array can be either in JSON format in the body, or in a str...
[populate]{Array | Object | String} - Paths which should be populated with other documents.Documentation [lean=false]{Boolean} - Should return plain javascript objects instead of Mongoose documents?Documentation [leanWithId=true]{Boolean} - IfleanandleanWithIdaretrue, addsidfield with string repre...
它包括内置的类型构件, 验证, 查询,业务逻辑勾子和更多的功能,开箱即用out of the box! mongoose把你使用Node.js驱动代码自己写复杂的验证,和逻辑业务的麻烦,简单化了。 mongoose建立在MongoDB driver之上,让程序员可以model 化数据。 二者各有优缺点: ...
Fields attribute is mandatory and should be either an array ofStringsor an array ofObjects. String field If you want to use the default options for all your fields, you can just pass them as a string. constmongoose_fuzzy_searching=require('mongoose-fuzzy-searching');constUserSchema=newSchema...
populate is an array of options objects you normally pass to Model.populate.Indexing An Existing CollectionAlready have a mongodb collection that you'd like to index using this plugin? No problem! Simply call the synchronize method on your model to open a mongoose stream and start indexing ...