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[Fix](orc-reader) Fix merge range not sorted in new merge io facility of orc-reader. #51102
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[Fix](orc-reader) Fix merge range not sorted in new merge io facility of orc-reader. #51102
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Thank you for your contribution to Apache Doris. Please clearly describe your PR:
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run buildall |
TPC-H: Total hot run time: 34225 ms |
TPC-DS: Total hot run time: 192895 ms |
ClickBench: Total hot run time: 29.65 s |
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PR approved by at least one committer and no changes requested. |
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PR approved by anyone and no changes requested. |
BE Regression && UT Coverage ReportIncrement line coverage Increment coverage report
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BE Regression && UT Coverage ReportIncrement line coverage Increment coverage report
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… of orc-reader. (apache#51102) ### What problem does this PR solve? Related PR: apache#45966 Fix merge range not sorted in new merge io facility of orc-reader. Because the ranges taken from std::unordered_map<orc::StreamId, io::PrefetchRange>&ranges are not sorted, merging adjacent ranges will have a very poor effect.
… of orc-reader. (apache#51102) ### What problem does this PR solve? Related PR: apache#45966 Fix merge range not sorted in new merge io facility of orc-reader. Because the ranges taken from std::unordered_map<orc::StreamId, io::PrefetchRange>&ranges are not sorted, merging adjacent ranges will have a very poor effect.
What problem does this PR solve?
Followup: #45966
Problem Summary:
Release note
Fix merge range not sorted in new merge io facility of orc-reader.
Because the ranges taken from
std::unordered_map<orc::StreamId, io::PrefetchRange>&rangesare not sorted, merging adjacent ranges will have a very poor effect.Check List (For Author)
Test
Behavior changed:
Does this need documentation?
Check List (For Reviewer who merge this PR)