[SERVER-40440] Add $merge support for whenMatched: 'keepExisting' Created: 02/Apr/19  Updated: 29/Oct/23  Resolved: 06/May/19

Status: Closed
Project: Core Server
Component/s: Aggregation Framework
Affects Version/s: None
Fix Version/s: 4.1.11

Type: Improvement Priority: Major - P3
Reporter: Charlie Swanson Assignee: Anton Korshunov
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on SERVER-40429 Add $merge stage to write output to e... Closed
Documented
is documented by DOCS-12675 Docs for SERVER-40429: Add $merge sta... Closed
is documented by DOCS-12687 Docs for SERVER-40440: Add $merge sup... Closed
Backwards Compatibility: Fully Compatible
Sprint: Query 2019-05-06, Query 2019-05-20
Participants:

 Description   

Add basic support and testing.



 Comments   
Comment by Githook User [ 06/May/19 ]

Author:

{'name': 'Anton Korshunov', 'username': 'antkorsh', 'email': 'anton.korshunov@mongodb.com'}

Message: SERVER-40440 Add merge support for whenMatched: 'keepExisting'
Branch: master
https://github.com/mongodb/mongo/commit/a25226e009fa1598f3077dd7972b9be3d2368785

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