[SERVER-12594] subtrees of and/or can reduce to ixscans Created: 03/Feb/14  Updated: 06/Dec/22

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:
Duplicate
is duplicated by SERVER-8743 add the ability for a query to match ... Closed
Related
related to SERVER-14740 Query rewrite of special $or leaf cas... Closed
Assigned Teams:
Query Optimization
Participants:

 Description   

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.


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