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https://issues.apache.org/jira/browse/FLINK-14724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kurt Young reassigned FLINK-14724:
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Assignee: godfrey he
> 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: 1.9.0, 1.9.1
> Reporter: godfrey he
> Assignee: godfrey he
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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