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[exec](performance) opt the topn nullable column order performance in Heap Sort #35042

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merged 1 commit into from
May 20, 2024

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HappenLee
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Proposed changes

Reduce the virtual Function call in nullable column order by

Before:

exec 4.6s

After:

exec 2.7s

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If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...

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@HappenLee
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run buildall

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clang-tidy review says "All clean, LGTM! 👍"

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PR approved by at least one committer and no changes requested.

@github-actions github-actions bot added approved Indicates a PR has been approved by one committer. reviewed labels May 20, 2024
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PR approved by anyone and no changes requested.

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TeamCity be ut coverage result:
Function Coverage: 35.70% (9008/25229)
Line Coverage: 27.36% (74495/272309)
Region Coverage: 26.60% (38532/144841)
Branch Coverage: 23.42% (19658/83920)
Coverage Report: http://coverage.selectdb-in.cc/coverage/38e957ed7549fd1235abd44bde45484433ad80ba_38e957ed7549fd1235abd44bde45484433ad80ba/report/index.html

@HappenLee HappenLee merged commit b4f954e into apache:master May 20, 2024
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5 participants