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[opt](nereids) forbid topn-two-phase reading for some patterns - #47975
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hello-stephen
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Feb 17, 2025
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Thank you for your contribution to Apache Doris. Please clearly describe your PR:
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englefly
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Feb 17, 2025
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run buildall |
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b162672Compareenglefly
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Feb 17, 2025
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run buildall |
doris-robot
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Feb 17, 2025
TPC-H: Total hot run time: 31654 ms |
doris-robot
commented
Feb 17, 2025
TPC-DS: Total hot run time: 183632 ms |
doris-robot
commented
Feb 17, 2025
ClickBench: Total hot run time: 30.32 s |
englefly
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Feb 18, 2025
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run buildall |
doris-robot
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Feb 18, 2025
TPC-H: Total hot run time: 31523 ms |
doris-robot
commented
Feb 18, 2025
TPC-DS: Total hot run time: 190627 ms |
doris-robot
commented
Feb 18, 2025
ClickBench: Total hot run time: 30.37 s |
morrySnow
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Feb 19, 2025
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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. |
starocean999
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Feb 19, 2025
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…e#47975) ### What problem does this PR solve? when there is no deferred materialized slots, do not use deferred materailizion. for example: SELECT t1.id FROM t1 WHERE id = 1 ORDER BY id LIMIT 1; there is no passive slots. slot "id" is the only slot need to be read by IO.
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…e#47975) ### What problem does this PR solve? when there is no deferred materialized slots, do not use deferred materailizion. for example: SELECT t1.id FROM t1 WHERE id = 1 ORDER BY id LIMIT 1; there is no passive slots. slot "id" is the only slot need to be read by IO.
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What problem does this PR solve?
when there is no deferred materialized slots, do not use deferred materailizion.
for example:
SELECT t1.id FROM t1 WHERE id = 1 ORDER BY id LIMIT 1;
there is no passive slots. slot "id" is the only slot need to be read by IO.
Issue Number: close #xxx
Related PR: #47661
Problem Summary:
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Behavior changed:
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