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https://issues.apache.org/jira/browse/FLINK-5220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhangjing closed FLINK-5220.
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Resolution: Duplicate
> Flink SQL projection pushdown
> -----------------------------
>
> Key: FLINK-5220
> URL: https://issues.apache.org/jira/browse/FLINK-5220
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: zhangjing
> Assignee: zhangjing
>
> The jira is to do projection pushdown optimization. Please go forward to the
> the design document for more details.
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