xzj7019 commented on code in PR #21883:
URL: https://github.com/apache/doris/pull/21883#discussion_r1270349729
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fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/physical/PhysicalSetOperation.java:
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@@ -130,4 +137,41 @@ public int getArity() {
return children.size();
}
+ @Override
+ public boolean pushDownRuntimeFilter(CascadesContext context,
IdGenerator<RuntimeFilterId> generator,
Review Comment:
it is not convivent to write the rf pushing down in current runtime filter
generator visit framework, since the rf producer is the join node, but it can
be pushed down into the very deep scan node, inside different layer of
subquery, set op, etc. Seems transferMap is not enough, which only maintains
the probeExpr's visibility, but not provide the facility for the pushing down
between different plan tree layer.
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