[jira] [Created] (SQOOP-1369) Avro export ignores --columns option

["Lars Francke (JIRA)" <ji...@apache.org>]

Lars Francke created SQOOP-1369:
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             Summary: Avro export ignores --columns option
                 Key: SQOOP-1369
                 URL: https://issues.apache.org/jira/browse/SQOOP-1369
             Project: Sqoop
          Issue Type: Bug
            Reporter: Lars Francke


In JdbcExportJob AVRO_COLUMN_TYPES_MAP is being set with the full schema of the output table. This causes the AvroExportMapper to fail with unknown fields if --columns was used to restrict the columns to export (it then tries to set a value on the generated class which doesn't exist).

There are multiple ways I can see to solve this.

* Filter the columnTypes passed on to the Mapper in JdbcExportJob.configureInputFormat
* Pass the --columns value on to the AvroExportMapper and let it ignore things that are not in there
* Let AvroExportMapper not fail when it can't set a field.

I might be able to provide a patch and I'd go with the simplest (the first one probably) if there are no objections.



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