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https://issues.apache.org/jira/browse/PIG-2557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16608616#comment-16608616
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Mário Sérgio Fujikawa Ferreira commented on PIG-2557:
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I can confirm this has been fixed on pig 0.17 by PIG-5045
> CSVExcelStorage save : empty quotes "" becomes 4 quotes """". This should
> become a null field.
> -----------------------------------------------------------------------------------------------
>
> Key: PIG-2557
> URL: https://issues.apache.org/jira/browse/PIG-2557
> Project: Pig
> Issue Type: Bug
> Components: piggybank
> Affects Versions: 0.9.1
> Reporter: Peter Welch
> Priority: Minor
>
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