mingo
Version:
MongoDB query language for in-memory objects
12 lines (11 loc) • 380 B
TypeScript
import { PipelineOperator } from "../../types";
/**
* Performs a left outer join to another collection to filter in documents from the "joined" collection for processing.
*
* See {@link https://www.mongodb.com/docs/manual/reference/operator/aggregation/lookup/ usage}
*
* @param collection
* @param expr
* @param options
*/
export declare const $lookup: PipelineOperator;