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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9990) Add regexp_extract supported in TableAPI and SQL
Date Mon, 01 Oct 2018 15:17:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16634184#comment-16634184

ASF GitHub Bot commented on FLINK-9990:

yanghua commented on issue #6448: [FLINK-9990] [table] Add regexp_extract supported in TableAPI
and SQL
URL: https://github.com/apache/flink/pull/6448#issuecomment-425945851
   @pnowojski can you review and merge this PR? Thanks.

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> Add regexp_extract supported in TableAPI and SQL
> ------------------------------------------------
>                 Key: FLINK-9990
>                 URL: https://issues.apache.org/jira/browse/FLINK-9990
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API &amp; SQL
>            Reporter: vinoyang
>            Assignee: vinoyang
>            Priority: Minor
>              Labels: pull-request-available
> regex_extract is a very useful function, it returns a string based on a regex pattern
and a index.
> For example : 
> {code:java}
> regexp_extract('foothebar', 'foo(.*?)(bar)', 2) // returns 'bar.'
> {code}
> It is provided as a UDF in Hive, more details please see[1].
> [1]: https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF

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