That is what I was doing and I got the following error:
2012-03-13 20:38:14,404 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR
1000: Error during parsing. Encountered " "generate" "generate "" at line 5,
column 7.Was expecting one of: "define" ... "load" ... "filter" ...
"foreach" ... "order" ... "distinct" ... "cogroup" ... "join" ...
"cross" ... "union" ... "group" ... "stream" ... "store" ...
"mapreduce" ... "limit" ... "sample" ... <IDENTIFIER> ... "(" ...
<IDENTIFIER> ...
> From: [email protected]
> Date: Tue, 13 Mar 2012 17:19:41 -0700
> Subject: Re: Creating a relation on the fly
> To: [email protected]
>
> 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
> > >
> > >
> >
