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[feature](Nereids) support make miss slot as null alias when conver anti join (#31854)#32417

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morrySnow merged 2 commits into
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keanji-x:pick_aff09fc
Mar 19, 2024
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[feature](Nereids) support make miss slot as null alias when conver anti join (#31854)#32417
morrySnow merged 2 commits into
apache:branch-2.0from
keanji-x:pick_aff09fc

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@keanji-x keanji-x commented Mar 18, 2024

pick from master #31854 and #32214

transform

project(A.*, B.slot)

  • filter(B.slot is null) - LeftOuterJoin(A, B)

to

project(A.*, null as B.slot)

  • LeftAntiJoin(A, B)

Proposed changes

Issue Number: close #xxx

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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...

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…ng anti join (apache#31854)

transform

project(A.*, B.slot)
  - filter(B.slot is null)
    - LeftOuterJoin(A, B)

to

project(A.*, null as B.slot)
  - LeftAntiJoin(A, B)
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run buildall

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@keanji-x
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run buildall

@keanji-x
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run buildall

@morrySnow morrySnow merged commit 0cffa4c into apache:branch-2.0 Mar 19, 2024
mongo360 pushed a commit to mongo360/doris that referenced this pull request Aug 16, 2024
…nti join (apache#31854) (apache#32417)

pick from master apache#31854 and apache#32214

[feature](Nereids) support make miss slot as null alias when converting anti join (apache#31854)

transform

project(A.*, B.slot)
  - filter(B.slot is null)
    - LeftOuterJoin(A, B)

to

project(A.*, null as B.slot)
  - LeftAntiJoin(A, B)

[fix](Nereids): don't pushdown project when project contains both side of join (apache#32214)
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3 participants