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https://issues.apache.org/jira/browse/PIG-4397?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Dai updated PIG-4397:
----------------------------
Attachment: PIG-4397-1.patch
> CSVExcelStorage incorrect output if last field value is null
> ------------------------------------------------------------
>
> Key: PIG-4397
> URL: https://issues.apache.org/jira/browse/PIG-4397
> Project: Pig
> Issue Type: Bug
> Environment: Running the Pig version bundled with HDP 2.1.2:
> 0.12.1.2.1.2.0-402
> Reporter: Niels Basjes
> Priority: Critical
> Fix For: 0.15.0
>
> Attachments: PIG-4397-1.patch
>
>
> I have the following input:
> {code}
> one two
> three
> four
> {code}
> I run this code
> {code}
> Lines =
> LOAD 'test.log' USING PigStorage(' ')
> AS ( First:chararray , Second:chararray );
> DUMP Lines;
> STORE Lines INTO 'Lines'
> USING org.apache.pig.piggybank.storage.CSVExcelStorage('\t', 'NO_MULTILINE',
> 'WINDOWS', 'WRITE_OUTPUT_HEADER');
> {code}
> The output from the DUMP is correct:
> {code}
> (one,two)
> (three,)
> (,four)
> {code}
> The output from the CSVExcelStorage is incorrect:
> {code}
> First Second
> one two
> three three
> four
> {code}
> The problem is that if the last field is a null then the previous value is
> repeated incorrectly (in this case 'three').
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