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Posted to issues@nifi.apache.org by "Matt Burgess (JIRA)" <ji...@apache.org> on 2016/08/22 17:38:20 UTC

[jira] [Created] (NIFI-2622) SelectHiveQL with Avro output doesn't handle complex types

Matt Burgess created NIFI-2622:
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             Summary: SelectHiveQL with Avro output doesn't handle complex types
                 Key: NIFI-2622
                 URL: https://issues.apache.org/jira/browse/NIFI-2622
             Project: Apache NiFi
          Issue Type: Bug
          Components: Extensions
            Reporter: Matt Burgess
             Fix For: 1.1.0


Hive supports table columns of complex type, such as Arrays, Structs, Maps, etc.  However when using SelectHiveQL with Avro output, the result set is not being converted correctly and an error occurs.

This is a fundamental issue with the way SelectHiveQL attempts to create an Avro schema without having seen any of the rows, since the sub-types of complex items cannot be determined from the SQL type alone.



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