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https://issues.apache.org/jira/browse/PIG-1420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13747531#comment-13747531
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Ido Hadanny commented on PIG-1420:
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So, is this fixed or not? I couldn't get it to work in 0.10.0, and I can't
understand where can I find the new patch from 2013...
> Make CONCAT act on all fields of a tuple, instead of just the first two
> fields of a tuple
> -----------------------------------------------------------------------------------------
>
> Key: PIG-1420
> URL: https://issues.apache.org/jira/browse/PIG-1420
> Project: Pig
> Issue Type: Improvement
> Components: impl
> Affects Versions: 0.8.0
> Reporter: Russell Jurney
> Assignee: Russell Jurney
> Labels: five, high
> Fix For: 0.8.0
>
> Attachments: addconcat2.patch, PIG-1420.2.patch
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> org.apache.pig.builtin.CONCAT (which acts on DataByteArray's internally) and
> org.apache.pig.builtin.StringConcat (which acts on Strings internally), both
> act on the first two fields of a tuple. This results in ugly nested CONCAT
> calls like:
> CONCAT(CONCAT(A, ' '), B)
> The more desirable form is:
> CONCAT(A, ' ', B)
> This change will be backwards compatible, provided that no one was relying on
> the fact that CONCAT ignores fields after the first two in a tuple. This
> seems a reasonable assumption to make, or at least a small break in
> compatibility for a sizable improvement.
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