mongoose count
The code below works. Note the use of count. var mongoose = require('mongoose'); var db ...,You can't get your data like this way as @adeneo said in the comment. Use find to get all records and then check length of records. Categories.find(query} ...
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 mongoose count 相關參考資料
Find and Count elements of collection with Mongoose - Stack Overflow
50 results - Model.find().exec(function (err, results) var count = results.length }); .... As stated in the mongoose documentation and in the answer by Benjamin, the ... https://stackoverflow.com How to get all count of mongoose model? - Stack Overflow
The code below works. Note the use of count. var mongoose = require('mongoose'); var db ... https://stackoverflow.com How to get data and count in one query in mongoose - Stack Overflow
You can't get your data like this way as @adeneo said in the comment. Use find to get all records and then check length of records. Categories.find(query} ... https://stackoverflow.com How to get number of document Mongoose? - Stack Overflow
Model.count(}, function(err, count) console.log( "Number of docs: ", count ); ... it would be worth looking at the mongoose-auto-increment plugin:. https://stackoverflow.com How to use count() ? · Issue #17 · Automatticmongoose · GitHub
I tried many things but I can't make count() work. Based on the documentation, it is supposed to work this may: User.find(username: ... https://github.com Mongoose v5.5.4: API docs
Mongoose.prototype.CastError(). Parameters. type «String» The name of the type; value «Any» The value that failed to cast; path «String» The path a.b.c in the ... https://mongoosejs.com Mongoose v5.5.4: Queries
What results is depends on the operation: For findOne() it is a potentially-null single document, find() a list of documents, count() the number of documents, ... https://mongoosejs.com Return document count with mongoose in NodeJS - Stack Overflow
We know that JavaScript is asynchronous and won't wait for result. So you may either use callback or Promise object, here is example of callback for your code https://stackoverflow.com 【Node.js】mongoose教程07--排重与计数| Sodino's Blog
【Node.js】mongoose教程07--排重与计数. Jun 2 ... 存储实现见文章：【Node.js】mongoose教程–存储。 ... Specifying this query as a count query. http://sodino.com |