[SERVER-12015] Reenable use of covering indexes with aggregation Created: 09/Dec/13 Updated: 03/May/17 Resolved: 27/Aug/15 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | Aggregation Framework, Performance, Querying |
| Affects Version/s: | 2.5.5 |
| Fix Version/s: | 3.1.8 |
| Type: | Improvement | Priority: | Critical - P2 |
| Reporter: | Mathias Stearn | Assignee: | Charlie Swanson |
| Resolution: | Done | Votes: | 3 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Backwards Compatibility: | Fully Compatible | ||||||||||||||||||||||||||||||||
| Sprint: | Quint Iteration 7, QuInt 8 08/28/15 | ||||||||||||||||||||||||||||||||
| Participants: | |||||||||||||||||||||||||||||||||
| Description |
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It is not currently possible to use covered indexes with the new query framework without using the full projection code in the non-covered cases. |
| Comments |
| Comment by Githook User [ 27/Aug/15 ] |
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Author: {u'username': u'cswanson310', u'name': u'Charlie Swanson', u'email': u'charlie.swanson@mongodb.com'}Message: |
| Comment by Githook User [ 19/Dec/13 ] |
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Author: {u'username': u'RedBeard0531', u'name': u'Mathias Stearn', u'email': u'mathias@10gen.com'}Message: This bypasses new query framework projection and replaces it with a much faster |