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Pig >> mail # user >> add a key value pair in map


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Jerry Lam 2013-11-15, 23:19
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Pradeep Gollakota 2013-11-16, 02:55
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Re: add a key value pair in map
Hi Pradeep,

Thanks for the pointer.

Jerry
On Fri, Nov 15, 2013 at 9:55 PM, Pradeep Gollakota <[EMAIL PROTECTED]>wrote:

> I don't think there's an out of the box solution for it. But it's fairly
> trivial to do with a UDF
> On Nov 15, 2013 3:19 PM, "Jerry Lam" <[EMAIL PROTECTED]> wrote:
>
> > Hi Pig users,
> >
> > Do you know how to add a key value pair into a map?
> >
> > For instance, a relation of A contains a document:map[] for each tuple;
> >
> > B = foreach A generate document, ['newkey'#'newvalue'];
> >
> > I want to add the 'newkey' and 'newvalue' inside the document map. Is it
> > possible?
> >
> > Best Regards,
> >
> > Jerry
> >
>
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