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Pig >> mail # user >> Tuples in UDF and null


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Mohit Anchlia 2013-03-07, 00:58
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Re: Tuples in UDF and null
Any help would be appreciated. I'll also write something shortly and see
what happens.

On Wed, Mar 6, 2013 at 4:58 PM, Mohit Anchlia <[EMAIL PROTECTED]>wrote:

> If I define and set tuple like this:
>
> Tuple t1 = mTupleFactory.newTuple(2);
> t1.set(0, "Hello");
> t1.set(1, NULL);
>
> and have schema like:
>
> b:bag{t:tuple(a:chararray, b:chararray)
>
> and then in the pig script if I do:
>
> page = foreach B generate b;
>
>
>
> What should be expected outcome? Would "generate" convert NULL into
> literal 'NULL' as a string? Or does it skip over that NULL.
>
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Harsha 2013-03-07, 18:31
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Mohit Anchlia 2013-03-07, 18:35
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Harsha 2013-03-07, 18:53
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Mohit Anchlia 2013-03-07, 19:15
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Harsha 2013-03-07, 19:27
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Mohit Anchlia 2013-03-07, 19:40
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Mohit Anchlia 2013-03-07, 19:58
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Harsha 2013-03-07, 20:11
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Mohit Anchlia 2013-03-07, 20:34
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB