godfrey he created FLINK-14724:
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Summary: Join condition could be simplified in logical phase
Key: FLINK-14724
URL: https://issues.apache.org/jira/browse/FLINK-14724
Project: Flink
Issue Type: Sub-task
Components: Table SQL / Planner
Affects Versions: 1.9.1, 1.9.0
Reporter: godfrey he
Fix For: 1.10.0
currently the plan of tpcds q38.sql contains {{NestedLoopJoin}}, because it's
join condition is {{CAST(AND(IS NOT DISTINCT FROM($2, $3), IS NOT DISTINCT
FROM($1, $4), IS NOT DISTINCT FROM($0, $5))):BOOLEAN}}, and planner can't find
equal join keys from the condition by {{Join#analyzeCondition.
{{SimplifyJoinConditionRule}} could solve this.
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