Docs incorreclty say SAMPLE can be used in a nested FOREACH and do not mention
projections in nested foreach
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Key: PIG-1625
URL: https://issues.apache.org/jira/browse/PIG-1625
Project: Pig
Issue Type: Bug
Components: documentation
Affects Versions: 0.7.0
Reporter: Alan Gates
Assignee: Corinne Chandel
Fix For: 0.8.0
Currently the docs in
http://hadoop.apache.org/pig/docs/r0.7.0/piglatin_ref2.html#FOREACH say that
SAMPLE can be used as an operator in nested foreach. It cannot.
Also, they do not mention the ability to do projections inside nested foreach,
such as the following:
{code}
A = load '/Users/gates/test/data/studenttab10';
B = group A all;
C = foreach B {
C1 = A.$0;
C2 = distinct C1;
generate C2;
}
dump C;
{code}
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