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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/12/23 02:57:34 UTC
[GitHub] [doris] qzsee opened a new issue, #15310: [Fix](Nerids) fix dup key for pull predicate from project children #15292
qzsee opened a new issue, #15310:
URL: https://github.com/apache/doris/issues/15310
### Search before asking
- [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues.
### Version
master
### What's Wrong?
for example：
```sql
select * from student join (select sid as id1, sid as id2, grade from score) s on student.id = s.id1 where s.id1 > 1
```
Exception :
org.apache.doris.common.NereidsException: Duplicate key (deptno#3 + 1) (attempted merging values deptno#6 and expr_deptno#11)
In `InferPredicates`, we need pull predicates from project children then use `sid` replace `id1`.
In our code, use alias name as key, use expression as value to build map. Obviously, `sid` has two alias name(id1,id2) so throw `Duplicate key` exception.
### What You Expected?
correct
### How to Reproduce?
_No response_
### Anything Else?
_No response_
### Are you willing to submit PR?
- [X] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)
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[GitHub] [doris] morrySnow closed issue #15310: [Fix](Nerids) fix dup key for pull predicate from project children #15292
Posted by GitBox <gi...@apache.org>.
morrySnow closed issue #15310: [Fix](Nerids) fix dup key for pull predicate from project children #15292
URL: https://github.com/apache/doris/issues/15310
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