nodejs mongodb createindex

相關問題 & 資訊整理

nodejs mongodb createindex

Like the documentation says: db.createIndex(collectionname, index[, options], callback) the creation returns an index. Try to log the result of the ...,This code works as expected in NodeJS: var MongoClient = require('mongodb').MongoClient; MongoClient.connect("mongodb://localhost:27017/test", function ... , Indexes are very important in any database, and with MongoDB it's no different. With the use of Indexes, performing queries in MongoDB ..., According to the docs: The createIndex() method only creates an index if an index of the same specification does not already exist. This applies ...,The correct API is ensureIndexes , which Sends ensureIndex commands to mongo for each index declared in the schema. Here is one sample var UserSchema ... ,See MongoDB documentation for details. ... createIndex adds a new index to a collection. For checking ... createIndex(collectionname, index[, options], callback). ,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 ... ,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. ,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 ... ,createIndex() rather than db.collection.ensureIndex() to create new indexes. The Indexes section of this manual for full documentation of indexes and indexing in ...

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nodejs mongodb createindex 相關參考資料
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

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

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

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

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

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

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

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