Object Manager

An Object Manager is the interface through which database query operations are provided to Djorm models. It is accessible via objects property on each model. It provides a subset of Query properties and methods.

Each Object Manager has a default query, which can be overriden

createWriteStream

Stream insert model instances with Node.js streams.

const dest = Promise.objects.createWriteStream()

dest.write({

firstName: 'John',

lastName: 'Smith',

})

all

Promise to return all model instances

await Promise.objects.all()

first

Promise to return first model instance

await Promise.objects.first()

get

Filter model instances and get the first one or throw ObjectDoesNotExist

await Promise.objects.get({

id: 1

})

count

Promise to count all model instances

await Promise.objects.count()

stream

Stream read model instances with Node.js streams. Returns instance of Readable.

const src = Promise.objects.stream()

filter

Create a filtered query

await Promise.objects.filter({ name: 'John' }).all()

orderBy

Create sorted query

await Promise.objects.orderBy('name').all()