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https://issues.apache.org/jira/browse/SQOOP-2612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14974591#comment-14974591
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John Todd commented on SQOOP-2612:
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https://reviews.apache.org/r/39271/
> Allow rules-based column mapping
> --------------------------------
>
> Key: SQOOP-2612
> URL: https://issues.apache.org/jira/browse/SQOOP-2612
> Project: Sqoop
> Issue Type: New Feature
> Components: codegen, connectors, test, tools
> Affects Versions: 1.4.6
> Reporter: John Todd
> Priority: Minor
> Attachments: SQOOP-2612.patch
>
>
> Allow users to map source columns to Java and Avro types based on rules
> rather than a list.
> About half the data types on my current project are NUMERIC, and many of
> those have a SCALE of 0. It would be helpful to be able to process those as
> Integers or Longs. The map-column-java feature is helpful, but it requires
> continuous surveillance of the source tables and maintenance of lists of
> columns and what type they should be mapped to.
> It would be helpful to be able to create a rules-based interpretation of the
> type inference provided by Sqoop.
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