Hey Thejas,

After the union I just try to store using Elephant Bird's sequence file storage with a BytesWritable key and Text value.

I'll open up a JIRA ticket with the details.

Cheers,

-Xavier

On 9/11/12 9:37 AM, Thejas Nair wrote:
This sounds like a bug.

What do you have after the union ?
Can you try to reproduce this with a script/data that you can share ?
If you can open a jira with details, that would be even better.

Thanks,
Thejas


On 9/4/12 8:52 AM, Xavier Stevens wrote:
I'm trying to do a UNION on two datasets with identical schemas
(k:bytearray, v:chararray). When using the UNION operator like so:

combined_data = UNION dataset1, dataset2;

I get the following error:

java.lang.RuntimeException: Unexpected data type java.util.ArrayList
found in stream. Note only standard Pig type is supported when you
output from UDF/LoadFunc

Everything works fine if I store the two datasets separately without the
union.

This feels like a bug, but am I doing something wrong here?

Cheers,


-Xavier



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