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Collection API
These functions implement the HTTP API for manipulating collections.
The Collection API is implemented by all Collection instances, regardless of their specific type. I.e. it represents a shared subset between instances of DocumentCollection, EdgeCollection, GraphVertexCollection and GraphEdgeCollection.
Getting information about the collection
See the HTTP API documentation for details.
collection.exists
async collection.exists(): boolean
Checks whether the collection exists.
Examples
const db = new Database();
const collection = db.collection('some-collection');
const result = await collection.exists();
// result indicates whether the collection exists
collection.get
async collection.get(): Object
Retrieves general information about the collection.
Examples
const db = new Database();
const collection = db.collection('some-collection');
const data = await collection.get();
// data contains general information about the collection
collection.properties
async collection.properties(): Object
Retrieves the collection’s properties.
Examples
const db = new Database();
const collection = db.collection('some-collection');
const data = await collection.properties();
// data contains the collection's properties
collection.count
async collection.count(): Object
Retrieves information about the number of documents in a collection.
Examples
const db = new Database();
const collection = db.collection('some-collection');
const data = await collection.count();
// data contains the collection's count
collection.figures
async collection.figures(): Object
Retrieves statistics for a collection.
Examples
const db = new Database();
const collection = db.collection('some-collection');
const data = await collection.figures();
// data contains the collection's figures
collection.revision
async collection.revision(): Object
Retrieves the collection revision ID.
Examples
const db = new Database();
const collection = db.collection('some-collection');
const data = await collection.revision();
// data contains the collection's revision
collection.checksum
async collection.checksum([opts]): Object
Retrieves the collection checksum.
Arguments
-
opts:
Object(optional)For information on the possible options see the HTTP API for getting collection information.
Examples
const db = new Database();
const collection = db.collection('some-collection');
const data = await collection.checksum();
// data contains the collection's checksum