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https://issues.apache.org/jira/browse/SQOOP-1988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14270539#comment-14270539
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Veena Basavaraj commented on SQOOP-1988:
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also why CSVIDF? what if the connector is using another IDF such as the avroIDF?
> Sqoop2: isNull handling should be moved to CSVIntermediateDataFormat
> --------------------------------------------------------------------
>
> Key: SQOOP-1988
> URL: https://issues.apache.org/jira/browse/SQOOP-1988
> Project: Sqoop
> Issue Type: Sub-task
> Reporter: Qian Xu
> Assignee: Qian Xu
> Fix For: 2.0.0
>
>
> Matcher should only match fields, not do any value modification (except when
> fallback to null ), Given argument {{fields}} should have converted null
> values.
> Currently it will convert {{null}} {{"NULL"}} {{"null"}} {{"'null'"}} and
> {{""}} to null. They are CSV relevant. As we do not have a knowledge of what
> intermediate data format is used, I'd remove the check and convert here.
> Another benefit is performance gain. Thanks [~jerrychenhf]
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