Cannot convert DataByeArray to Chararray and results in
FIELD_DISCARDED_TYPE_CONVERSION_FAILED 20
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Key: PIG-1341
URL: https://issues.apache.org/jira/browse/PIG-1341
Project: Pig
Issue Type: Bug
Affects Versions: 0.6.0
Reporter: Viraj Bhat
Script reads in BinStorage data and tries to convert a column which is in
DataByteArray to Chararray.
{code}
raw = load 'sampledata' using BinStorage() as (col1,col2, col3);
--filter out null columns
A = filter raw by col1#'bcookie' is not null;
B = foreach A generate col1#'bcookie' as reqcolumn;
describe B;
--B: {regcolumn: bytearray}
X = limit B 5;
dump X;
B = foreach A generate (chararray)col1#'bcookie' as convertedcol;
describe B;
--B: {convertedcol: chararray}
X = limit B 5;
dump X;
{code}
The first dump produces:
(36co9b55onr8s)
(36co9b55onr8s)
(36hilul5oo1q1)
(36hilul5oo1q1)
(36l4cj15ooa8a)
The second dump produces:
()
()
()
()
()
It also throws an error message: FIELD_DISCARDED_TYPE_CONVERSION_FAILED 5
time(s).
Viraj
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