[SERVER-44418] Optimise distinct queries to use DISTINCT_SCAN in the presence of compound hashed index. Created: 05/Nov/19  Updated: 29/Oct/23  Resolved: 16/Jan/20

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 4.3.3

Type: Improvement Priority: Major - P3
Reporter: Arun Banala Assignee: Arun Banala
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Backwards Compatibility: Fully Compatible
Sprint: Query 2019-11-18, Query 2019-12-16, Query 2019-12-30, Query 2020-01-13, Query 2020-01-27
Participants:

 Comments   
Comment by Githook User [ 16/Jan/20 ]

Author:

{'name': 'Arun Banala', 'username': 'banarun', 'email': 'arun.banala@mongodb.com'}

Message: SERVER-44418 Optimise distinct queries to use DISTINCT_SCAN in the presence of compound hashed index.

create mode 100644 jstests/core/distinct_with_hashed_index.js
Branch: master
https://github.com/mongodb/mongo/commit/9a51aba53026de2e026598a311adf80838246919

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