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branch-4.0: [fix](agg) fix rule merge_aggregate #59629 #59663

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Merged
yiguolei merged 1 commit into from
Jan 12, 2026
Merged

branch-4.0: [fix](agg) fix rule merge_aggregate #59629 #59663

yiguolei merged 1 commit into from
Jan 12, 2026

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@github-actions github-actions bot commented Jan 8, 2026

Cherry-picked from #59629

@feiniaofeiafei
[fix](agg) fix rule merge_aggregate (#59629)
945d329 
Related PR: #31811

Problem Summary:
Before this pr:
The LogicalAggregate generated by MergeAggregate outputExpressions has
duplicated column .
This bug will not lead to result wrong, will output the gby key 2 times
in LogicalAggregate.
After this pr:
This pr fix this problem.
@github-actions github-actions bot requested a review from yiguolei as a code owner January 8, 2026 02:55
@hello-stephen
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hello-stephen commented Jan 8, 2026

Thank you for your contribution to Apache Doris.
Don't know what should be done next? See How to process your PR.

Please clearly describe your PR:

  1. What problem was fixed (it's best to include specific error reporting information). How it was fixed.
  2. Which behaviors were modified. What was the previous behavior, what is it now, why was it modified, and what possible impacts might there be.
  3. What features were added. Why was this function added?
  4. Which code was refactored and why was this part of the code refactored?
  5. Which functions were optimized and what is the difference before and after the optimization?

@dataroaring dataroaring closed this Jan 8, 2026
@dataroaring dataroaring reopened this Jan 8, 2026
@hello-stephen
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hello-stephen commented Jan 8, 2026

run buildall

@yiguolei yiguolei merged commit 0cf97f4 into branch-4.0 Jan 12, 2026
25 of 27 checks passed
@github-actions github-actions bot deleted the auto-pick-59629-branch-4.0 branch January 12, 2026 06:06
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@hello-stephen @yiguolei @dataroaring @feiniaofeiafei