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[refactor](Nereids) mv top-n two phase read rule from post processor to rewriter #22487
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run buildall |
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run buildall |
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(From new machine)TeamCity pipeline, clickbench performance test result: |
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run buildall |
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(From new machine)TeamCity pipeline, clickbench performance test result: |
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run p0 |
eldenmoon
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LGTM
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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. |
…to rewriter (apache#22487) use three new plan node to represent defer materialize of TopN. Example: ``` -- SQL select * from t1 order by c1 limit 10; -- PLAN +------------------------------------------+ | Explain String | +------------------------------------------+ | PhysicalDeferMaterializeResultSink | | --PhysicalDeferMaterializeTopN | | ----PhysicalDistribute | | ------PhysicalDeferMaterializeTopN | | --------PhysicalDeferMaterializeOlapScan | +------------------------------------------+ ```
…to rewriter (apache#22487) use three new plan node to represent defer materialize of TopN. Example: ``` -- SQL select * from t1 order by c1 limit 10; -- PLAN +------------------------------------------+ | Explain String | +------------------------------------------+ | PhysicalDeferMaterializeResultSink | | --PhysicalDeferMaterializeTopN | | ----PhysicalDistribute | | ------PhysicalDeferMaterializeTopN | | --------PhysicalDeferMaterializeOlapScan | +------------------------------------------+ ```
…to rewriter (#22487) (#22894) use three new plan node to represent defer materialize of TopN. Example: ``` -- SQL select * from t1 order by c1 limit 10; -- PLAN +------------------------------------------+ | Explain String | +------------------------------------------+ | PhysicalDeferMaterializeResultSink | | --PhysicalDeferMaterializeTopN | | ----PhysicalDistribute | | ------PhysicalDeferMaterializeTopN | | --------PhysicalDeferMaterializeOlapScan | +------------------------------------------+ ```
…ache#48747) ### What problem does this PR solve? Related PR: apache#47661, apache#22487 Problem Summary: after this PR we support: 1. TopN(Scan) 2. Project(TopN(Project(Scan))) 3. TopN(Filter(Scan)) 4. TopN(Project(Filter(Scan))) 5. Project(TopN(Project(Filter(Scan))))
Proposed changes
Issue Number: close #xxx
use three new plan node to represent defer materialize of TopN.
Example:
Further comments
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...