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Posted to commits@doris.apache.org by "englefly (via GitHub)" <gi...@apache.org> on 2023/04/16 23:06:39 UTC

[GitHub] [doris] englefly opened a new pull request, #18716: [opt](nereids) optimize filter estimation for pattern "col=col"

englefly opened a new pull request, #18716:
URL: https://github.com/apache/doris/pull/18716

   # Proposed changes
   Tpc-h q10 and q5 benefit from this optimization.
   
   For a given hash join condition, `A=B`, sometimes both A and B are reduced by filters. In this pr, both reductions are counted in join estimation.
   
   Issue Number: close #xxx
   
   ## Problem summary
   
   Describe your changes.
   
   ## Checklist(Required)
   
   * [ ] Does it affect the original behavior
   * [ ] Has unit tests been added
   * [ ] Has document been added or modified
   * [ ] Does it need to update dependencies
   * [ ] Is this PR support rollback (If NO, please explain WHY)
   
   ## Further comments
   
   If this is a relatively large or complex change, kick off the discussion at [dev@doris.apache.org](mailto:dev@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc...
   
   


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[GitHub] [doris] englefly commented on pull request #18716: [opt](nereids) optimize filter estimation for pattern "col=col"

Posted by "englefly (via GitHub)" <gi...@apache.org>.
englefly commented on PR #18716:
URL: https://github.com/apache/doris/pull/18716#issuecomment-1510513303

   run buildall


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[GitHub] [doris] github-actions[bot] commented on pull request #18716: [opt](nereids) optimize filter estimation for pattern "col=col"

Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #18716:
URL: https://github.com/apache/doris/pull/18716#issuecomment-1510643282

   PR approved by anyone and no changes requested.


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[GitHub] [doris] github-actions[bot] commented on pull request #18716: [opt](nereids) optimize filter estimation for pattern "col=col"

Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #18716:
URL: https://github.com/apache/doris/pull/18716#issuecomment-1510643266

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


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[GitHub] [doris] englefly merged pull request #18716: [opt](nereids) optimize filter estimation for pattern "col=col"

Posted by "englefly (via GitHub)" <gi...@apache.org>.
englefly merged PR #18716:
URL: https://github.com/apache/doris/pull/18716


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