[SERVER-63283] Add query knob to guard HJ plans for $lookup Created: 03/Feb/22 Updated: 29/Oct/23 Resolved: 09/Mar/22 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | 6.0.0-rc0 |
| Type: | Task | Priority: | Major - P3 |
| Reporter: | Eric Cox (Inactive) | Assignee: | Eric Cox (Inactive) |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | sbe | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Backwards Compatibility: | Fully Compatible | ||||||||||||||||
| Sprint: | QE 2022-02-07, QE 2022-03-21 | ||||||||||||||||
| Participants: | |||||||||||||||||
| Description |
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We need to add a runtime-settable query knob to enable users to opt into using HashJoin for $lookup pushdown to SBE. |
| Comments |
| Comment by Githook User [ 08/Mar/22 ] |
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Author: {'name': 'Eric Cox', 'email': 'eric.cox@mongodb.com', 'username': 'ericox'}Message: |
| Comment by Ethan Zhang (Inactive) [ 16/Feb/22 ] |
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This is the same as |
| Comment by Ethan Zhang (Inactive) [ 03/Feb/22 ] |
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Just to add that the default should be true (HJ enabled). |