[MCOL-3738] COUNT DISTINCT should accept multiple columns Created: 2020-01-21 Updated: 2021-09-20 Resolved: 2021-06-29 |
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| Status: | Closed |
| Project: | MariaDB ColumnStore |
| Component/s: | ExeMgr, PrimProc |
| Affects Version/s: | 1.4.2 |
| Fix Version/s: | 6.1.1 |
| Type: | Bug | Priority: | Blocker |
| Reporter: | David Hall (Inactive) | Assignee: | Daniel Lee (Inactive) |
| Resolution: | Fixed | Votes: | 2 |
| Labels: | Compatibility | ||
| Issue Links: |
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| Epic Link: | Tech debt | ||||||||||||||||
| Sprint: | 2021-7, 2021-8, 2021-9 | ||||||||||||||||
| Description |
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MariaDB Server allows COUNT(DISTINCT col1,col2...). Columnstore does not support more than one column for COUNT DISTINCT. As part of convergence, we need to have COUNT DISTINCT handle multiple columns. |
| Comments |
| Comment by Daniel Lee (Inactive) [ 2021-06-29 ] |
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Build verified: 6.1.1 ( Drone #2669 ) Testing on 1gb dbt3 lineitem table, 1 to 3 columns. |