Yunhong Zheng created FLINK-30369:
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Summary: Fix FlinkFilterJoinRule push wrong filters to another
side while join type is left/right outer join
Key: FLINK-30369
URL: https://issues.apache.org/jira/browse/FLINK-30369
Project: Flink
Issue Type: Sub-task
Components: Table SQL / Planner
Affects Versions: 1.16.1
Reporter: Yunhong Zheng
Fix For: 1.17.0
Now, if join type is left/right outer join, FlinkFilterJoinRule will push
wrong filters to another side by extracting filters from join conditions. If
conditions contain IS_NULL or IS_NOT_NULL filters and join type is left/right
join, it cannot push this filter to another side.
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