mongoose find condition
findOne example: AuthorSchema.pre('findOne', function(next) // Put your logic here for whatever you want to "decorate" ... let conditions = this., The Model.find() function returns an instance of Mongoose's Query class. ... The first argument is the query filter (also known as conditions )., app.get('/user',function(req, res) User.find(region: "NA",sector:"Some Sector"}, function(err, user) if (err) res.send(err); } console.log(user); ..., I think you need to place your conditions within the $or array. Because food is an array of objects, you may need to use $elemMatch in your first ..., You can use the $or operator, if your value is undefined, the request will search for documents which has this field undefined. Try with this :, We can provide as many conditions in the query, but it does not matter how many documents can match the query, only the first match ..., You can use javascript to dynamically create json document based on your query parameters. Your updated function will look something like,Each of these functions returns a mongoose Query object. ... First, if you pass in a callback function, Mongoose will execute the query asynchronously and pass ... , I solved it through googling: var ObjectId = require('mongoose').Types.ObjectId; var objId = new ObjectId( (param.length < 12) ?, I'm trying to do a find which will get all documents which has a title or desc that contains the regular expression (which works) and then filter it ...
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 mongoose find condition 相關參考資料
add(inject) a condition in every find query in mongoose - Stack ...
findOne example: AuthorSchema.pre('findOne', function(next) // Put your logic here for whatever you want to "decorate" ... let conditions = this. https://stackoverflow.com How find() Works in Mongoose | www.thecodebarbarian.com
The Model.find() function returns an instance of Mongoose's Query class. ... The first argument is the query filter (also known as conditions ). http://thecodebarbarian.com mongoose "Find" with multiple conditions - Stack Overflow
app.get('/user',function(req, res) User.find(region: "NA",sector:"Some Sector"}, function(err, user) if (err) res.send(err); } console.log(user); ... https://stackoverflow.com Mongoose find with or condition not working as expected - Stack ...
I think you need to place your conditions within the $or array. Because food is an array of objects, you may need to use $elemMatch in your first ... https://stackoverflow.com Mongoose find() with multiple criteria - Stack Overflow
You can use the $or operator, if your value is undefined, the request will search for documents which has this field undefined. Try with this : https://stackoverflow.com Mongoose findOne with Multiple Conditions | ObjectRocket
We can provide as many conditions in the query, but it does not matter how many documents can match the query, only the first match ... https://kb.objectrocket.com Mongoose how to write a query with if condition? - Stack Overflow
You can use javascript to dynamically create json document based on your query parameters. Your updated function will look something like https://stackoverflow.com Mongoose v5.9.2: Queries
Each of these functions returns a mongoose Query object. ... First, if you pass in a callback function, Mongoose will execute the query asynchronously and pass ... https://mongoosejs.com Mongoose's find method with $or condition does not work properly ...
I solved it through googling: var ObjectId = require('mongoose').Types.ObjectId; var objId = new ObjectId( (param.length < 12) ? https://stackoverflow.com Mongoose, how to do a find() with two or conditions - Stack Overflow
I'm trying to do a find which will get all documents which has a title or desc that contains the regular expression (which works) and then filter it ... https://stackoverflow.com |