reactivemongo.api.commands.AggregationFramework
the id of the last known Change Event, if any. The stream will resume just after that event.
the operation time before which all Change Events are known. Must be in the time range of the oplog. (since MongoDB 4.0)
if set to UpdateLookup, every update change event will be joined with the *current* version of the relevant document.
(changeStream: StringAdd).self
(changeStream: StringFormat).self
(changeStream: ArrowAssoc[ChangeStream]).x
(Since version 2.10.0) Use leftOfArrow
instead
(changeStream: Ensuring[ChangeStream]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
Low level pipeline operator which allows to open a tailable cursor against subsequent ChangeEvents of a given collection (since MongoDB 3.6). https://docs.mongodb.com/manual/reference/change-events/
For common use-cases, you might prefer to use the
watch
operator on a collection.Note: the target mongo instance MUST be a replica-set (even in the case of a single node deployement).