nodejs mongodb createindex
var createAscendingIndex = function(db, callback) // Get the users ... createIndex( dateOfBirth : 1 }, function(err, result) console.log(result); callback(result); }); }; ... MongoDB also provides text indexes to support text search of string content. , Like the documentation says: db.createIndex(collectionname, index[, options], callback) the creation returns an index. Try to log the result of the ...
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 nodejs mongodb createindex 相關參考資料
Collection() — MongoDB Node.JS Driver 1.4.9 documentation
Inserts a single document or a an array of documents into MongoDB. ...... While the second parameter will contain the results from the createIndex method or null ... https://mongodb.github.io Create Indexes - GitHub Pages
var createAscendingIndex = function(db, callback) // Get the users ... createIndex( dateOfBirth : 1 }, function(err, result) console.log(result); callback(result); }); }; ... MongoDB also provides ... http://mongodb.github.io Creating unique index via mongodb native driver - Stack Overflow
Like the documentation says: db.createIndex(collectionname, index[, options], callback) the creation returns an index. Try to log the result of the ... https://stackoverflow.com db.collection.createIndex() — MongoDB Manual
Parameter, Type, Description. keys, document. A document that contains the field and value pairs where the field is the index key and the value describes the ... https://docs.mongodb.com db.collection.ensureIndex() — MongoDB Manual
createIndex() rather than db.collection.ensureIndex() to create new indexes. The Indexes section of this manual for full documentation of indexes and indexing in ... https://docs.mongodb.com Indexes — MongoDB Node.JS Driver 1.4.9 documentation
See MongoDB documentation for details. ... createIndex adds a new index to a collection. For checking ... createIndex(collectionname, index[, options], callback). https://mongodb.github.io MongoDB ensurIndex and createIndex using nodeJS? - Stack Overflow
The correct API is ensureIndexes , which Sends ensureIndex commands to mongo for each index declared in the schema. Here is one sample var UserSchema ... https://stackoverflow.com MongoDB Indexing Tutorial - createIndex() - Guru99
Indexes are very important in any database, and with MongoDB it's no different. With the use of Indexes, performing queries in MongoDB ... https://www.guru99.com node-mongodb-native how to create index on sub document? - Stack ...
This code works as expected in NodeJS: var MongoClient = require('mongodb').MongoClient; MongoClient.connect("mongodb://localhost:27017/test", function ... https://stackoverflow.com Where, when and how many times to call the createIndex function ...
According to the docs: The createIndex() method only creates an index if an index of the same specification does not already exist. This applies ... https://stackoverflow.com |