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branch-2.1: [fix](split)Fixed the bug that batch mode split could not query data in multiple be scenarios. #46218 #46227

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yiguolei merged 1 commit into from
Dec 31, 2024
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branch-2.1: [fix](split)Fixed the bug that batch mode split could not query data in multiple be scenarios. #46218 #46227

yiguolei merged 1 commit into from
Dec 31, 2024

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@github-actions github-actions bot commented Dec 31, 2024

Cherry-picked from #46218

@hubgeter
[fix](split)Fixed the bug that batch mode split could not query data …
762fa70 
…in multiple be scenarios. (#46218)

### What problem does this PR solve?
Problem Summary:
In multiple be scenarios, batch mode split sometimes could not query
data.

The reason is that the estimated `numApproximateSplits()` may be
relatively small, and the value after dividing the current number of be
may be 0. As a result, the split will not be distributed to be, and the
query result will be empty.
We need to take the max of the value after division and 1.
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Thearas commented Dec 31, 2024

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 reopened this Dec 31, 2024
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Thearas commented Dec 31, 2024

run buildall

@yiguolei yiguolei merged commit 9593a7b into branch-2.1 Dec 31, 2024
18 of 19 checks passed
@github-actions github-actions bot deleted the auto-pick-46218-branch-2.1 branch December 31, 2024 16:34
GoGoWen pushed a commit to GoGoWen/incubator-doris that referenced this pull request Sep 26, 2025
fix(split): Fixed the bug that batch mode split could not query data …
2f142ad 
…in multiple be scenarios. apache#46218 (apache#46227)
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5 participants

@Thearas @yiguolei @dataroaring @hubgeter