Module "operators/pipeline/out"

$out

• $out(collection: Iterator, expr: string | Collection, options?: Options): Iterator

• Takes the documents returned by the aggregation pipeline and writes them to a specified collection.

  Unlike the $out operator in MongoDB, this operator can appear in any position in the pipeline and is useful for collecting intermediate results of an aggregation operation.

  Parameters

  • collection: Iterator

  • expr: string | Collection

  • Optional options: Options

  Returns Iterator