BiteTheDDDDt opened a new pull request, #64157:
URL: https://github.com/apache/doris/pull/64157
### What problem does this PR solve?
Issue Number: N/A
Related PR: #64102
Problem Summary:
Backport #64102 to branch-4.0. The fix prevents unsafe runtime filter
pushdown through the null-generating side of outer joins. The implementation
was adapted to the branch-4.0 RuntimeFilterPushDownVisitor structure.
### Release note
None
### Check List (For Author)
- Test:
- Unit Test: ./run-fe-ut.sh --run
org.apache.doris.nereids.postprocess.RuntimeFilterTest#testDoNotPushDownNonNullPropagatingRuntimeFilterThroughOuterJoin,org.apache.doris.nereids.postprocess.RuntimeFilterTest#testPushDownNullPropagatingRuntimeFilterThroughOuterJoin
- Behavior changed: No
- Does this need documentation: No
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