[SERVER-45530] Implement $match and $project pushdown optimization into $unionWith sub-pipeline Created: 13/Jan/20  Updated: 29/Oct/23  Resolved: 10/Feb/20

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 4.3.4

Type: Task Priority: Major - P3
Reporter: Nicholas Zolnierz Assignee: Jacob Evans
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Depends
depends on SERVER-45399 Add basic union aggregation stage for... Closed
is depended on by SERVER-45531 Implement $project pushdown optimizat... Closed
is depended on by SERVER-45712 Remove flag guard for $unionWith Closed
Backwards Compatibility: Fully Compatible
Sprint: Query 2020-02-10, Query 2020-02-24
Participants:
Linked BF Score: 0

 Comments   
Comment by Githook User [ 10/Feb/20 ]

Author:

{'name': 'Jacob Evans', 'email': 'jacob.evans@mongodb.com'}

Message: SERVER-45530 Implement $match and $project duplication and pushdown across $unionWith
Branch: master
https://github.com/mongodb/mongo/commit/eb7f1c54a54bf5eb82f633b60e7c918a02adb55c

Comment by Githook User [ 07/Feb/20 ]

Author:

{'name': 'William Schultz', 'username': 'will62794', 'email': 'william.schultz@mongodb.com'}

Message: Revert "SERVER-45530 Implement $match and $project duplication and pushdown across $unionWith"

This reverts commit 9955e3ab374e26b8428378dfabf94ce89f00aaa6.
Branch: master
https://github.com/mongodb/mongo/commit/b11d1174d98481c497d26728d0fa21e54192b712

Comment by William Schultz (Inactive) [ 07/Feb/20 ]

Reverting again since db_pipeline_test is broken after this commit.

Comment by Githook User [ 07/Feb/20 ]

Author:

{'name': 'Jacob Evans', 'email': 'jacob.evans@mongodb.com'}

Message: SERVER-45530 Implement $match and $project duplication and pushdown across $unionWith
Branch: master
https://github.com/mongodb/mongo/commit/9955e3ab374e26b8428378dfabf94ce89f00aaa6

Comment by Githook User [ 07/Feb/20 ]

Author:

{'username': 'will62794', 'name': 'William Schultz', 'email': 'william.schultz@mongodb.com'}

Message: Revert "SERVER-45530 Implement $match and $project duplication and pushdown across $unionWith"

This reverts commit 942ec3300e82672536f34d8273314c5504ae91fb.
Branch: master
https://github.com/mongodb/mongo/commit/b52d0d06a080ac7b2879ebb7da4a551f5aa36610

Comment by William Schultz (Inactive) [ 07/Feb/20 ]

This commit broke db_pipeline_test on required builders. Revert is in the commit queue.

Comment by Githook User [ 06/Feb/20 ]

Author:

{'name': 'Jacob Evans', 'email': 'jacob.evans@mongodb.com'}

Message: SERVER-45530 Implement $match and $project duplication and pushdown across $unionWith
Branch: master
https://github.com/mongodb/mongo/commit/942ec3300e82672536f34d8273314c5504ae91fb

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