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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8302) Support shift_left and shift_right in TableAPI
Date Mon, 01 Jan 2018 08:53:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16307394#comment-16307394

ASF GitHub Bot commented on FLINK-8302:

Github user dubin555 commented on the issue:

    Hi @sunjincheng121 . Thanks for the review.
    I already finished some changed for code cleaning and remove the duplicate test case base
on your comment.
    There are some similar implements in other Database, 
    like MySQL, https://dev.mysql.com/doc/refman/5.7/en/bit-functions.html
    Oracle, https://docs.oracle.com/cd/E22583_01/DR/help/BitShift.html
    In Apache Spark, also exists similar implements, https://issues.apache.org/jira/browse/SPARK-8223
    Du Bin

> Support shift_left and shift_right in TableAPI
> ----------------------------------------------
>                 Key: FLINK-8302
>                 URL: https://issues.apache.org/jira/browse/FLINK-8302
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table API & SQL
>            Reporter: DuBin
>              Labels: features
>             Fix For: 1.5.0
>   Original Estimate: 48h
>  Remaining Estimate: 48h
> Add shift_left and shift_right support in TableAPI, shift_left(input, n) act as input
<< n, shift_right(input, n) act as input >> n.

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