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https://issues.apache.org/jira/browse/FLINK-11966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kurt Young closed FLINK-11966.
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Resolution: Implemented
Fix Version/s: 1.9.0
fixed in d15171ffdbb036c54b5aa33c1bf041f1c2372445
> Add support for generating optimized logical plan for simple query(Project,
> Filter, Values and Union all)
> ---------------------------------------------------------------------------------------------------------
>
> Key: FLINK-11966
> URL: https://issues.apache.org/jira/browse/FLINK-11966
> Project: Flink
> Issue Type: New Feature
> Components: 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
>
> Add support for generating optimized logical plan for simple query,
> 1. Project and Filter: SELECT a, b + 1 FROM MyTable WHERE b > 2
> 2. Values: SELECT * FROM (VALUES (1, 2, 3)) AS T(a, b, c)
> 3. Union all: SELECT a, c FROM (SELECT a, c FROM MyTable1 UNION ALL SELECT a,
> c FROM MyTable2)
> {{Union}} depends on {{Aggregate}} to eliminate duplicates, so it will be
> introduced after {{Aggregate}} spported.
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