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https://issues.apache.org/jira/browse/PIG-4683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14905111#comment-14905111
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Rohini Palaniswamy commented on PIG-4683:
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+1. This fix is better.
> Nested order is broken after PIG-3591 in some cases
> ---------------------------------------------------
>
> Key: PIG-4683
> URL: https://issues.apache.org/jira/browse/PIG-4683
> Project: Pig
> Issue Type: Bug
> Components: impl
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.16.0, 0.15.1
>
> Attachments: PIG-4683-1.patch, PIG-4683-2.patch
>
>
> The following script fail after PIG-3591.
> {code}
> a = load '1.txt' using PigStorage(',') as (a0:chararray, a1:chararray);
> b = load '2.txt' as (b0:chararray);
> c = cogroup b by b0, a by a0;
> d = foreach c {
> a_sorted = order a by a1 desc;
> generate group, a_sorted, b;
> }
> dump d;
> {code}
> 1.txt
> a,0
> a,2
> a,1
> 2.txt
> a
> Expected:
> {code}
> (a,{(a,1),(a,2),(a,0)},{(a)})
> {code}
> Actual:
> {code}
> (a,{(a,2),(a,1),(a,0),(a)},{})
> {code}
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