[SERVER-4930] aggregation: use dependency information to satisfy pipelines with index-only scans when possible Created: 10/Feb/12 Updated: 15/Aug/12 Resolved: 25/May/12 |
|
| Status: | Closed |
| Project: | Core Server |
| Component/s: | Aggregation Framework |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | Improvement | Priority: | Major - P3 |
| Reporter: | Chris Westin | Assignee: | Unassigned |
| Resolution: | Duplicate | Votes: | 2 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
|
||||||||||||||||||||||||
| Participants: | |||||||||||||||||||||||||
| Description |
|
If we know we don't need any fields beyond those available from an index, don't go to the source documents, just like index-only queries. |