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https://issues.apache.org/jira/browse/FLINK-12519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kurt Young closed FLINK-12519.
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Resolution: Implemented
Fix Version/s: 1.9.0
merged in 1.9.0: 4fa387164cea44f8e0bac1aadab11433c0f0ff2b
> Introduce planner rules about semi/anti join
> --------------------------------------------
>
> Key: FLINK-12519
> URL: https://issues.apache.org/jira/browse/FLINK-12519
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / Planner
> Reporter: godfrey he
> Assignee: godfrey he
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> This issue aims to introduce planner rules about semi/anti join, rules
> include:
> 1. {{FlinkSemiAntiJoinFilterTransposeRule}} that pushes semi/anti join down
> in a tree past a filter
> 2. {{FlinkSemiAntiJoinJoinTransposeRule}} that pushes semi/anti join down in
> a tree past a non semi/anti join
> 3. {{FlinkSemiAntiJoinProjectTransposeRule}} that push semi/anti join down in
> a tree past a project
> 4. {{ProjectSemiAntiJoinTransposeRule}} that pushes a project down in a tree
> past a semi/anti join
> planner rules about non semi/anti join will be introduced in
> [FLINK-12509|https://issues.apache.org/jira/browse/FLINK-12509].
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