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Pig >> mail # user >> Creating a relation on the fly


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Re: Creating a relation on the fly
Are you doing this verbatim:

window = generate UUIDGenerator() as uuid, '$p1' as value1, '$p2' as value2;

If so that's an invalid statement. GENERATE works with FOREACH.

What is you exact pig script and error?

On Tue, Mar 13, 2012 at 4:51 PM, rakesh sharma
<[EMAIL PROTECTED]>wrote:

>
> Parameter substitution works fine. I am having issues where I want to tie
> all three values UDF generated and parameters into a relation.
>
> > From: [EMAIL PROTECTED]
> > Date: Tue, 13 Mar 2012 16:43:25 -0700
> > Subject: Re: Creating a relation on the fly
> > To: [EMAIL PROTECTED]
> >
> > Are p1 and p2 static params for the life of the script or are they
> dynamic?
> > You could do something like this if it's the former:
> >
> > pig -p p1=foo -p p2=bar -f script.pig
> >
> > and they'd be properly inserted into $p1 and $p2 in your script.
> >
> >
> > On Tue, Mar 13, 2012 at 2:37 PM, rakesh sharma
> > <[EMAIL PROTECTED]>wrote:
> >
> > >
> > > Hi All,
> > > I have a situation where I need to create a relation by a combination
> of
> > > UDF and parameter values. For example, first field will be generated
> by UDF
> > > UUIDGenerator, second field by parameter p1, and third field by
> parameter
> > > p2. I am looking some way of having a relation window as expressed
> below:
> > > window = generate UUIDGenerator() as uuid, '$p1' as value1, '$p2' as
> > > value2;
> > > Any idea how it can be done.
> > > Thanks,Rakesh
> >
> >
>