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[fix](nereids) generate correct order for runtime filter when contains NullSafeEquals hash condition (#29726)

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Be do not support RF for NullSafeEquals, so fe not generate RF for them.
However, after we support NullSafeEquals as Hash join condition,
the order of RF is wrong when generating RF in FE. this PR fix it.
This commit is contained in:
minghong
2024-01-10 10:23:44 +08:00
committed by yiguolei
parent e2ccca6290
commit 3675e0302c
2 changed files with 60 additions and 10 deletions
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22
fe/fe-core/src/main/java/org/apache/doris/nereids/processor/post/RuntimeFilterGenerator.java
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@ -368,18 +368,20 @@ public class RuntimeFilterGenerator extends PlanPostProcessor {
.filter(type -> (type.getValue() & ctx.getSessionVariable().getRuntimeFilterType()) > 0)
.collect(Collectors.toList());
List<EqualTo> hashJoinConjuncts = join.getEqualToConjuncts();
List<Expression> hashJoinConjuncts = join.getHashJoinConjuncts().stream().collect(Collectors.toList());
for (int i = 0; i < hashJoinConjuncts.size(); i++) {
EqualTo equalTo = ((EqualTo) JoinUtils.swapEqualToForChildrenOrder(
hashJoinConjuncts.get(i), join.left().getOutputSet()));
for (TRuntimeFilterType type : legalTypes) {
//bitmap rf is generated by nested loop join.
if (type == TRuntimeFilterType.BITMAP) {
continue;
if (hashJoinConjuncts.get(i) instanceof EqualTo) {
EqualTo equalTo = ((EqualTo) JoinUtils.swapEqualToForChildrenOrder(
(EqualTo) hashJoinConjuncts.get(i), join.left().getOutputSet()));
for (TRuntimeFilterType type : legalTypes) {
//bitmap rf is generated by nested loop join.
if (type == TRuntimeFilterType.BITMAP) {
continue;
}
long buildSideNdv = getBuildSideNdv(join, equalTo);
join.pushDownRuntimeFilter(context, generator, join, equalTo.right(),
equalTo.left(), type, buildSideNdv, i);
}
long buildSideNdv = getBuildSideNdv(join, equalTo);
join.pushDownRuntimeFilter(context, generator, join, equalTo.right(),
equalTo.left(), type, buildSideNdv, i);
}
}
}