[SERVER-60140] Disable explain tests for $group sub-pipeline with $unionWith Created: 22/Sep/21  Updated: 29/Oct/23  Resolved: 22/Sep/21

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

Type: Bug Priority: Major - P3
Reporter: Eric Cox (Inactive) Assignee: Yoon Soo Kim
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
related to SERVER-60254 Implement $group pushdown when sub-pl... Closed
Backwards Compatibility: Fully Compatible
Operating System: ALL
Steps To Reproduce:

/buildscripts/resmoke.py run --mongodSetParameter='

{internalQueryEnableSlotBasedExecutionEngine: true}

' --mongodSetParameter='

{featureFlagSBEGroupPushdown: true}

' --suites=aggregation jstests/aggregation/sources/unionWith/unionWith_explain.js

Sprint: QE 2021-10-04
Participants:

 Description   

This test takes a pipeline with a supported $sum accumulator, which will be eligible for pushdown into sbe.

testPipeline([{$group: {_id: "$groupKey", sum: {$sum: "$val"}}}]);

Then the test compares the explain between running the pipeline alone and running the pipeline as an inner pipeline of $unionWith. We don't bother to pushdown $group when it's inside $unionWith, so naturally the explain plans are different. This work should figure out what the right update is for the test.



 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!

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