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Posted to user@hive.apache.org by ey-chih chow <ey...@hotmail.com> on 2010/07/18 04:14:23 UTC
Hive and Avro GenericRecord
I got an Avro map/reduce job that generates an output file on HDFS. The reducer of the job is an subclass of AvroReducer<GenericRecord, GenericRecord>. I would like to query data on the output file using Hive. Any body knows how to define an external Hive table to do this? Do I need to define a custom Hive column type corresponding to GenericRecord for this? If it is, how to do this? Thanks.
Ey-Chih
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Re: Hive and Avro GenericRecord
Posted by Yang <te...@gmail.com>.
you need to define ur SerDe,
On Sat, Jul 17, 2010 at 7:14 PM, ey-chih chow <ey...@hotmail.com> wrote:
>
> I got an Avro map/reduce job that generates an output file on HDFS. The
> reducer of the job is an subclass of AvroReducer<GenericRecord,
> GenericRecord>. I would like to query data on the output file using Hive.
> Any body knows how to define an external Hive table to do this? Do I need
> to define a custom Hive column type corresponding to GenericRecord for this?
> If it is, how to do this? Thanks.
> Ey-Chih
> ________________________________
> Hotmail is redefining busy with tools for the New Busy. Get more from your
> inbox. See how.
> ________________________________
> The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with
> Hotmail. Get busy.