morrySnow commented on code in PR #68543:
URL: https://github.com/apache/doris/pull/68543#discussion_r4120475577
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/OrExpansion.java:
##########
@@ -159,6 +160,14 @@ public Plan visitLogicalJoin(LogicalJoin<? extends Plan, ?
extends Plan> join, O
if (join.getJoinType().isInnerJoin()) {
joins.addAll(expandInnerJoin(ctx.cascadesContext,
hashOtherConditions,
join, leftProducer, rightProducer, leftCloneToLeft,
rightCloneToRight));
+ } else if (join.getJoinType().isRightOuterJoin()) {
+ // right outer join = inner join union right anti join
+ // right anti join is built as left anti join with swapped
producers,
+ // so that unmatched rows of the right child are kept and left
side is padded with null
Review Comment:
fix in another PR
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