[SERVER-80698] Implement $size aggregation expression in SBE Created: 01/Sep/23 Updated: 02/Feb/24 |
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| Status: | Open |
| Project: | Core Server |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | Task | Priority: | Major - P3 |
| Reporter: | Arun Banala | Assignee: | Xuan Zhang |
| Resolution: | Unresolved | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Assigned Teams: |
Query Execution
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| Sprint: | QE 2023-09-18, QE 2023-10-02, QE 2023-10-16, QE 2023-10-30, QE 2023-11-13, QE 2023-11-27, QE 2023-12-11, QE 2023-12-25, QE 2024-01-08, QE 2024-01-22, QE 2024-02-05, QE 2024-02-19 | ||||||||
| Participants: | |||||||||
| Description |
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The $size aggregation expression is being used for a count command (more broadly for $count in $group) optimization for time-series. The lack of this operator means that we would be forced to run a lot of time-series queries in classic. |
| Comments |
| Comment by Kyle Suarez [ 05/Sep/23 ] |
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https://www.mongodb.com/docs/manual/reference/operator/aggregation/size/ |