[SERVER-46890] Avoid attaching cursor/mergeCursor stage twice in $unionWith explain Created: 16/Mar/20 Updated: 29/Oct/23 Resolved: 19/Mar/20 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | 4.4.0-rc0, 4.7.0 |
| Type: | Bug | Priority: | Major - P3 |
| Reporter: | Ted Tuckman | Assignee: | Ted Tuckman |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | qopt-team | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Backwards Compatibility: | Fully Compatible | ||||||||
| Operating System: | ALL | ||||||||
| Backport Requested: |
v4.4
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| Steps To Reproduce: | run the following: db.runCommand({explain: {aggregate: "coll", pipeline: [{$unionWith: "coll_2"}], cursor: {batchSize: 101}, allowDiskUse: true}}) |
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| Sprint: | Query 2020-03-23 | ||||||||
| Participants: | |||||||||
| Linked BF Score: | 17 | ||||||||
| Comments |
| Comment by Githook User [ 19/Mar/20 ] |
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Author: {'name': 'Ted Tuckman', 'username': 'TedTuckman', 'email': 'ted.tuckman@mongodb.com'}Message: (cherry-picked from commit 8f33cc286ef975d99f0df2f40a8568a80fa1f3f3) |
| Comment by Githook User [ 19/Mar/20 ] |
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Author: {'name': 'Ted Tuckman', 'username': 'TedTuckman', 'email': 'ted.tuckman@mongodb.com'}Message: |