Pig gets confused when more than one loader is involved
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Key: PIG-1482
URL: https://issues.apache.org/jira/browse/PIG-1482
Project: Pig
Issue Type: Bug
Affects Versions: 0.7.0
Reporter: Ankur
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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