[SERVER-12594] subtrees of and/or can reduce to ixscans Created: 03/Feb/14 Updated: 06/Dec/22 |
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| Status: | Backlog |
| Project: | Core Server |
| Component/s: | Querying |
| Affects Version/s: | 2.5.5 |
| Fix Version/s: | None |
| Type: | Improvement | Priority: | Major - P3 |
| Reporter: | hari.khalsa@10gen.com | Assignee: | Backlog - Query Optimization |
| Resolution: | Unresolved | Votes: | 1 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Assigned Teams: |
Query Optimization
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| Participants: | |||||||||||||||||
| Description |
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When we process sub-trees of an AND or an OR, the subtree may turn into ixscans that we can compound/intersect with subsequent predicates in the containing AND/OR. See or9.js. |