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[fix](Nereids) should not push down project to the nullable side of outer join (#27912)

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starocean999
2023-12-05 10:43:33 +08:00
committed by GitHub
parent 50ad40a7a8
commit 3c97e69f3c
2 changed files with 55 additions and 2 deletions
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4
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/exploration/join/PushDownProjectThroughInnerOuterJoin.java
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@ -136,8 +136,8 @@ public class PushDownProjectThroughInnerOuterJoin implements ExplorationRuleFact
return null;
}
// we could not push nullable side project
if ((join.getJoinType().isLeftOuterJoin() && rightContains)
|| (join.getJoinType().isRightOuterJoin() && leftContains)) {
if (((join.getJoinType().isLeftOuterJoin() || join.getJoinType().isFullOuterJoin()) && rightContains)
|| ((join.getJoinType().isRightOuterJoin() || join.getJoinType().isFullOuterJoin()) && leftContains)) {
return null;
}