[SERVER-56294] Extend group to distinct optimization to compound keys Created: 23/Apr/21 Updated: 06/Dec/22 Resolved: 23/Apr/21 |
|
| Status: | Closed |
| Project: | Core Server |
| Component/s: | Performance |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | New Feature | Priority: | Minor - P4 |
| Reporter: | Ruslan Abdulkhalikov (Inactive) | Assignee: | Backlog - Query Optimization |
| Resolution: | Duplicate | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
|
||||||||
| Assigned Teams: |
Query Optimization
|
||||||||
| Participants: | |||||||||
| Description |
The aggregation on a single key generates efficient DISTINCT_SCAN:
|
| Comments |
| Comment by Ruslan Abdulkhalikov (Inactive) [ 23/Apr/21 ] |
|
yeah, it is a duplicate |
| Comment by Charlie Swanson [ 23/Apr/21 ] |
|
ruslan.abdulkhalikov this looks like a duplicate of SERVER-53626 to me? Would you agree? |