feiniaofeiafei opened a new pull request, #48756:
URL: https://github.com/apache/doris/pull/48756
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
```sql
use test_multi_leading;
set enable_dphyp_optimizer=true;
explain physical plan
select
count(*)
from
(
select
/*+ leading(alias2 t1) */
c1,
c11
from
t1
join (
select
c2,
c22
from
t2
join t4 on
c2 = c4) as alias2 on
c1 = alias2.c2) as alias1
join t3 on
alias1.c1 = t3.c3;
```
The leading hint in subquery is not used, because in dphyper, the join is
reordered.
This pr fix this problem.
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [ ] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [ ] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
merge into -->
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
