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https://issues.apache.org/jira/browse/PIG-1482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Olga Natkovich reassigned PIG-1482:
-----------------------------------
Assignee: Xuefu Zhang
> Pig gets confused when more than one loader is involved
> -------------------------------------------------------
>
> Key: PIG-1482
> URL: https://issues.apache.org/jira/browse/PIG-1482
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.7.0
> Reporter: Ankur
> Assignee: Xuefu Zhang
> Fix For: 0.8.0
>
>
> In case of two relations being loaded using different loader, joined, grouped
> and projected, pig gets confused in trying to find appropriate loader for the
> requested cast. Consider the following script :-
> A = LOAD 'data1' USING PigStorage() AS (s, m, l);
> B = FOREACH A GENERATE s#'k1' as v1, m#'k2' as v2, l#'k3' as v3;
> C = FOREACH B GENERATE v1, (v2 == 'v2' ? 1L : 0L) as v2:long, (v3 == 'v3' ? 1
> :0) as v3:int;
> D = LOAD 'data2' USING TextLoader() AS (a);
> E = JOIN C BY v1, D BY a USING 'replicated';
> F = GROUP E BY (v1, a);
> G = FOREACH F GENERATE (chararray)group.v1, group.a;
>
> dump G;
> This throws the error, stack trace of which is in the next comment
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