Model Methods: Create Indexes
Creating multiple indexes in a collection.
🪶 The createIndex method is used to create multiple indexes in a collection.
This method has two parameters, the first is an { Array } with the indexes to be created defined in an 'array' if composed or in a 'string' with the name of the index to be created.
unique {Boolean}: Defines whether the indexes are unique;
direction {Number}: Specify index sorting direction;
locale {String}: Specifies the location in iso;
1 import MerlinDB, { Schema} from "@chrisaxxwell/merlin-db";2 //Or if you are using 'merlindb.max.js' just call 'new MerlinDB()'; 3 4 const merlin = new MerlinDB( ) ;5 merlin.connect( "USER-DATABASE") ; 6 7 const UserSchema = Schema( { 8 name: String , 9 age: Number 10 } ) ; 11 12 var userModel = merlin.model( "User", UserSchema) ;13 14 //userModel.createIndexes(<query>, <options>); 15 userModel.createIndexes( [ 16 'name', 17 ['tags', 'city'], 18 ], { 19 unique: false , 20 direction: -1 , 21 locale: "pt-BR", 22 } ) .then( e => { 23 24 console.log( e) ; 25 //returns '3' indexes created successfully. 26 } ) .catch( e => { 27 28 console.log( e) ; 29 //returns index 'X' already exists in your model. 30 } ) ;