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[fix](nereids) change default agg strategy to multi_distinct when not have statistics - #55855
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hello-stephen
commented
Sep 10, 2025
Thank you for your contribution to Apache Doris. Please clearly describe your PR:
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feiniaofeiafei
commented
Sep 10, 2025
run buildall |
doris-robot
commented
Sep 10, 2025
TPC-H: Total hot run time: 35055 ms |
doris-robot
commented
Sep 10, 2025
TPC-DS: Total hot run time: 189475 ms |
doris-robot
commented
Sep 10, 2025
ClickBench: Total hot run time: 30.11 s |
hello-stephen
commented
Sep 10, 2025
FE UT Coverage ReportIncrement line coverage |
hello-stephen
commented
Sep 10, 2025
FE Regression Coverage ReportIncrement line coverage |
feiniaofeiafei
commented
Sep 10, 2025
run buildall |
doris-robot
commented
Sep 10, 2025
TPC-H: Total hot run time: 34645 ms |
doris-robot
commented
Sep 10, 2025
TPC-DS: Total hot run time: 189924 ms |
doris-robot
commented
Sep 10, 2025
ClickBench: Total hot run time: 30.46 s |
feiniaofeiafei
commented
Sep 10, 2025
run buildall |
hello-stephen
commented
Sep 10, 2025
FE Regression Coverage ReportIncrement line coverage |
doris-robot
commented
Sep 10, 2025
TPC-H: Total hot run time: 34791 ms |
doris-robot
commented
Sep 10, 2025
TPC-DS: Total hot run time: 187585 ms |
doris-robot
commented
Sep 10, 2025
ClickBench: Total hot run time: 29.8 s |
hello-stephen
commented
Sep 10, 2025
FE UT Coverage ReportIncrement line coverage |
hello-stephen
commented
Sep 10, 2025
FE Regression Coverage ReportIncrement line coverage |
PR approved by at least one committer and no changes requested. |
PR approved by anyone and no changes requested. |
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What problem does this PR solve?
Issue Number: close #xxx
Related PR: #54079
Problem Summary:
Using the multi-distinct strategy instead of multi-stage/CTE splitting strategy for AGG in scenarios without statistical information, consistent with the default strategy before refactor(#54079), can achieve better performance in scenarios without statistical information.
Release note
None
Check List (For Author)
Test
Behavior changed:
Does this need documentation?
Check List (For Reviewer who merge this PR)