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https://issues.apache.org/jira/browse/SQOOP-1869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gwen Shapira updated SQOOP-1869:
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Attachment: SQOOP-1869.4.patch
With improvements recommended by [~vybs] on RB.
> Sqoop2: Expand schema matching to support two schemaless connectors
> -------------------------------------------------------------------
>
> Key: SQOOP-1869
> URL: https://issues.apache.org/jira/browse/SQOOP-1869
> Project: Sqoop
> Issue Type: Improvement
> Reporter: Gwen Shapira
> Assignee: Gwen Shapira
> Fix For: 1.99.5
>
> Attachments: SQOOP-1869.0.patch, SQOOP-1869.1.patch,
> SQOOP-1869.2.patch, SQOOP-1869.4.patch
>
>
> Currently the schema matches errors out if both FROM and TO connectors are
> empty. This prevents us from supporting HDFS->Kafka.
> I suggest to change the code to support the following:
> 1. Empty schema will contain a single byte[] field with whatever the
> connector writes into it.
> 2. As happens now, one connector is null and the other has a schema, the
> schema that exists will be used to parse the data.
> 3. If we have two empty schemas, the TO connector will get a byte[] and
> presumably know what to do with it.
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