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https://issues.apache.org/jira/browse/FLINK-5220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15730809#comment-15730809
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ASF GitHub Bot commented on FLINK-5220:
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Github user beyond1920 commented on the issue:
https://github.com/apache/flink/pull/2923
@fhueske , thanks for your review. I have already modified the pr based on
your advice, including following main changes:
1. Adapt the cost model for the BatchTableSourceScan
2. Modify DataSetCalcConverter -> RexProgramProjectExtractor, and add a
test case
Thanks.
> 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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