EmmyMiao87 opened a new pull request #7269:
URL: https://github.com/apache/incubator-doris/pull/7269
## Proposed changes
[Improvement](Lateral view) Support lateral view based on subquery (#6746)
issue: #6746
Support lateral view of the result column in subquery.
For example:
```
select e1 from (select k2 as a from test_explode group by a) tmp1
lateral view explode_split(a, ",") tmp2 as e1;
```
The lateral view will parse the inline view column
and put the table function node above the subquery.
## Types of changes
What types of changes does your code introduce to Doris?
_Put an `x` in the boxes that apply_
- [ ] Bugfix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] Documentation Update (if none of the other choices apply)
- [ ] Code refactor (Modify the code structure, format the code, etc...)
- [ ] Optimization. Including functional usability improvements and
performance improvements.
- [ ] Dependency. Such as changes related to third-party components.
- [ ] Other.
## Checklist
_Put an `x` in the boxes that apply. You can also fill these out after
creating the PR. If you're unsure about any of them, don't hesitate to ask.
We're here to help! This is simply a reminder of what we are going to look for
before merging your code._
- [x] I have created an issue on (Fix #6746) and described the bug/feature
there in detail
- [x] Compiling and unit tests pass locally with my changes
- [ ] I have added tests that prove my fix is effective or that my feature
works
- [ ] If these changes need document changes, I have updated the document
- [ ] Any dependent changes have been merged
## Further comments
WIP unit test
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