zhengshiJ opened a new pull request, #15971:
URL: https://github.com/apache/doris/pull/15971
# Proposed changes
Issue Number: close #xxx
## Problem summary
1.Compatible with the old optimizer, the sort and limit in the subquery will
not take effect, just delete it directly.
2.Adjust the unnesting position of the subquery to ensure that the conject
in the filter has been optimized, and then unnesting
## Checklist(Required)
1. Does it affect the original behavior:
- [ ] Yes
- [ ] No
- [ ] I don't know
2. Has unit tests been added:
- [ ] Yes
- [ ] No
- [ ] No Need
3. Has document been added or modified:
- [ ] Yes
- [ ] No
- [ ] No Need
4. Does it need to update dependencies:
- [ ] Yes
- [ ] No
5. Are there any changes that cannot be rolled back:
- [ ] Yes (If Yes, please explain WHY)
- [ ] No
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[[email protected]](mailto:[email protected]) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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