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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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godfrey he updated FLINK-11966:
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Summary: Add support for generating optimized logical plan for simple
query(Project, Filter, Values and Union all) (was: Add support for generating
optimized logical plan for simple query(project, filter, values and union all))
> 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: API / Table SQL
> Reporter: godfrey he
> Assignee: godfrey he
> Priority: Major
>
> 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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