mrhhsg opened a new pull request, #11257:
URL: https://github.com/apache/doris/pull/11257
# Proposed changes
Issue Number: close #xxx
## Problem Summary:
Test on clikcbench with SQL:
```sql
SELECT COUNT(DISTINCT SearchPhrase), count(distinct userid) FROM hits;
```
Executing time reduced to 7.60 sec from 9.73 sec
## Checklist(Required)
1. Type of your changes:
- [x] Improvement
- [ ] Fix
- [ ] Feature-WIP
- [ ] Feature
- [ ] Doc
- [ ] Refator
- [ ] Others:
2. Does it affect the original behavior:
- [ ] Yes
- [ ] No
- [ ] I don't know
3. Has unit tests been added:
- [ ] Yes
- [ ] No
- [ ] No Need
4. Has document been added or modified:
- [ ] Yes
- [ ] No
- [ ] No Need
5. Does it need to update dependencies:
- [ ] Yes
- [ ] No
6. Are there any changes that cannot be rolled back:
- [ ] Yes
- [ ] No
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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