fieldsToRead send the same fields more than once in some cases
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Key: PIG-1210
URL: https://issues.apache.org/jira/browse/PIG-1210
Project: Pig
Issue Type: Bug
Affects Versions: 0.6.0
Reporter: Daniel Dai
Assignee: Daniel Dai
Fix For: 0.7.0
This bug will happen if the following condition meet:
1. LoadFunc is susceptible to duplicated fields in fieldsToRead. The only
LoadFunc we notice now is Zebra.
2. The first item in FOREACH statement contains reference to the same input
more than once.
For example, the following script will be affected:
a = load '11' using org.apache.hadoop.zebra.pig.TableLoader('a0');
b = foreach a generate a0+a0;
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