[SERVER-50895] $unionWith cached pipeline for explain is leaked if execution does not require sub-pipeline Created: 11/Sep/20  Updated: 29/Oct/23  Resolved: 14/Sep/20

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 4.8.0, 4.4.2

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

Issue Links:
Backports
Depends
Problem/Incident
is caused by SERVER-50246 $unionWith explain loses information ... Closed
Backwards Compatibility: Fully Compatible
Operating System: ALL
Backport Requested:
v4.7, v4.4
Sprint: Query 2020-09-21
Participants:
Linked BF Score: 95

 Comments   
Comment by Githook User [ 16/Sep/20 ]

Author:

{'name': 'Nick Zolnierz', 'email': 'nicholas.zolnierz@mongodb.com', 'username': 'nzolnierzmdb'}

Message: SERVER-50895 Fix leak of $unionWith cached pipeline for explain when execution does not read from sub-pipeline

(cherry picked from commit b80b53bde9cfd36fbf2d50e129d123ba8f35df48)
Branch: v4.4
https://github.com/mongodb/mongo/commit/cc2296b54c145226a7a8e10c01c7782310bff7b8

Comment by Githook User [ 14/Sep/20 ]

Author:

{'name': 'Nick Zolnierz', 'email': 'nicholas.zolnierz@mongodb.com', 'username': 'nzolnierzmdb'}

Message: SERVER-50895 Fix leak of $unionWith cached pipeline for explain when execution does not read from sub-pipeline
Branch: master
https://github.com/mongodb/mongo/commit/b80b53bde9cfd36fbf2d50e129d123ba8f35df48

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