Document Collection

count( ) : number

• Description: Returns the number of document in a collection.

const nbDocuments = runtime.require('db').collections().Person.count();

find( query ) : array

• Description: Find a document into the collection. It returns an array of id of the found documents.

const arrDocuments = runtime.require('db').collections().Person.find({
  'firstName': 'Laure'
});

You can use query selectors:

const arrDocuments = runtime.require('db').collections().Person.find({
  'firstName': {
    '$eq': 'Laure'
  }
});

You can also sort the result:

const arrDocuments = runtime.require('db').collections().Person.find().sort({
  'name': 1
});

insert( document ) : array

• Description: Insert an new document into the collection. It returns an array of id of the created documents.

const arrDocumentId = runtime.require('db').collections().Person.insert({
  'firstName': 'Laure',
  'age': 50
});

update( query, document, option ) : array

• Description: Update documents into a collection. It returns an array of id of the updated documents.

const arrDocumentId = runtime.require('db').collections().Person.update(
  {'name': 'Jean'},
  {'age': 30}, 
  {'upsert': true}
);

remove( query ) : array

• Description: Remove a document from the collection. It returns an array of id of the removed documents.

const arrDocumentId = runtime.require('db').collections().Person.remove(
  {'name': 'Jean'}
);