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From "thattommyhall (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4100) Improve regex_replace UDF to allow non-ascii characters
Date Fri, 01 Mar 2013 18:31:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13590803#comment-13590803
] 

thattommyhall commented on HIVE-4100:
-------------------------------------

The particular case I had was
regexp_replace(some_column,"[^\\u0000-\\uffff]","\ufffd")
does not work, whereas 
regexp_replace(some_column,"[^\\u0000-\\uffff]","�")
does.

So we need a way to specify unicode chars in the replace string.
                
> Improve regex_replace UDF to allow non-ascii characters
> -------------------------------------------------------
>
>                 Key: HIVE-4100
>                 URL: https://issues.apache.org/jira/browse/HIVE-4100
>             Project: Hive
>          Issue Type: Improvement
>          Components: UDF
>    Affects Versions: 0.10.0
>            Reporter: Mark Grover
>            Assignee: Mark Grover
>             Fix For: 0.11.0
>
>
> There have a been a few email threads on the user mailing list regarding regex_replace
UDF not supporting non-ASCII characters. We should validate that and improve the UDF to allow
it. Translate UDF will be a good reference since it does that by using code points instead
of characters

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