[jira] [Commented] (PIG-4517) builtin UDF for mass concat of strings

["Pracheer Agarwal (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-4517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14509601#comment-14509601 ] 

Pracheer Agarwal commented on PIG-4517:
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If you guys think that this can add value to piggybank, I can take this up.

> builtin UDF for mass concat of strings
> --------------------------------------
>
>                 Key: PIG-4517
>                 URL: https://issues.apache.org/jira/browse/PIG-4517
>             Project: Pig
>          Issue Type: New Feature
>          Components: piggybank
>            Reporter: Pracheer Agarwal
>            Priority: Minor
>
> Right now we have CONCAT UDF which concatenate two strings. We don't have any UDF for mass concatenation. The functionality of the proposed udf can be exact reverse of STRSPLIT. 
> STRSPLIT take a string and a regex and return a tuple of strings. On the same line MASSCONCAT can take a tuple and a delimeter as inputs and return a string as output.
> Example:
> Inputs - (a,b,c,d), "|"
> Output - a|b|c|d



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