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MongoDB.NextChange
Iterates the underlying change stream, returning the next document.
| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
| MongoDB | 13.0 | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
MBS( "MongoDB.NextChange"; MongoDBRef ) More
Parameters
| Parameter | Description | Example |
|---|---|---|
| MongoDBRef | The reference number for the mongo connection. | $MongoDB |
Result
Returns JSON or error.
Description
Iterates the underlying change stream, returning the next document.This function returns a valid JSON document was read from the stream. Otherwise, if there was an error it returns an error or empty if no document was available.
Examples
Query the next change in the queue to check:
Set Variable [ $$json ; Value: MBS( "MongoDB.NextChange"; $$MongoDB ) ]
If [ not IsEmpty ( $$json ) ]
Show Custom Dialog [ "Change" ; $$json ]
End If
Release notes
- Version 13.1
- Fixed a bug in MongoDB.ChangeStreamErrorDocument, MongoDB.ChangeStreamResumeToken and MongoDB.NextChange functions.
- Version 13.0
- Added functions to watch changes in MongoDB: MongoDB.ChangeStreamErrorDocument, MongoDB.ChangeStreamResumeToken, MongoDB.CloseChangeStream, MongoDB.NextChange, MongoDB.WatchClient, MongoDB.WatchCollection and MongoDB.WatchDatabase.
Blog Entries
This function checks for a paid license.
Created 18th November 2022, last changed 30th January 2023
