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https://issues.apache.org/jira/browse/FLINK-13089?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kurt Young closed FLINK-13089.
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Resolution: Implemented
Fix Version/s: 1.9.0
merged in 1.9.0: cd0cf360e8831dd5116579283832f919e5ce82dc
> Implement batch nested loop join in blink
> -----------------------------------------
>
> Key: FLINK-13089
> URL: https://issues.apache.org/jira/browse/FLINK-13089
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / Planner
> Reporter: Jingsong Lee
> Assignee: Jingsong Lee
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Nested loop join has two advantages:
> 1.Nested loop join is quicker when build row size is small.
> 2.Nested loop join support all kind of joins, include non-key join.
> Plan:
> Introduce NestedLoopJoinCodeGenerator.
> Implement BatchExecNestedLoopJoin.
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