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Posted to issues@flink.apache.org by "vinoyang (JIRA)" <ji...@apache.org> on 2018/09/15 02:10:00 UTC

[jira] [Updated] (FLINK-9990) Add regexp_extract supported in TableAPI and SQL

     [ https://issues.apache.org/jira/browse/FLINK-9990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

vinoyang updated FLINK-9990:
----------------------------
    Summary: Add regexp_extract supported in TableAPI and SQL  (was: Add regex_extract supported in TableAPI and SQL)

> 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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