[SERVER-56871] Allow $match and $project to swap with $_internalUpdateOnAddShard and $_internalEnsureResumeTokenPresent Created: 11/May/21  Updated: 29/Oct/23  Resolved: 23/Jun/21

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 5.1.0-rc0

Type: Improvement Priority: Major - P3
Reporter: Justin Seyster Assignee: Rishab Joshi (Inactive)
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on SERVER-55309 Re-order post-image lookup stage when... Closed
is depended on by SERVER-56872 Add optimization function to apply $m... Closed
Backwards Compatibility: Fully Compatible
Sprint: Query Execution 2021-05-31, Query Execution 2021-06-14, Query Execution 2021-06-28
Participants:

 Description   

This swap will allow $match and $project to be pushed "down" (towards the source side of the pipeline) to the shard side of the pipeline.



 Comments   
Comment by Vivian Ge (Inactive) [ 06/Oct/21 ]

Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it’s been triggered. For more active release information, please keep an eye on #server-release. Thank you!

Comment by Githook User [ 23/Jun/21 ]

Author:

{'name': 'Rishab Joshi', 'email': 'rishab.joshi@mongodb.com', 'username': 'rishvin'}

Message: SERVER-56871: Allow $match and $project to get pushed down to the shards for the change streams.
Branch: master
https://github.com/mongodb/mongo/commit/1c65954179826c76a0922e35bd4429600a1448f6

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