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https://issues.apache.org/jira/browse/FLINK-28159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17562428#comment-17562428
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Jingsong Lee commented on FLINK-28159:
--------------------------------------

[~liliwei] Thanks for your attention. This jira is still a bit uncertain, I'll 
explore it.

Can you take a look to FLINK-27103 , that one related to DataFileWriter and 
DataFileReader.

> Table Store: Bucket pruning based on primary key filter
> -------------------------------------------------------
>
>                 Key: FLINK-28159
>                 URL: https://issues.apache.org/jira/browse/FLINK-28159
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table Store
>            Reporter: Jingsong Lee
>            Priority: Major
>             Fix For: table-store-0.2.0
>
>
> TABLE(a, b, c), pk is a
> Query: SELECT * FROM T WHERE a = '...';
> If a is a specific value, we can know which bucket is needed. We don't need 
> to read other buckets.



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