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: billgra...@gmail.com > Date: Tue, 13 Mar 2012 17:19:41 -0700 > Subject: Re: Creating a relation on the fly > To: user@pig.apache.org > > 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 > <rakesh_sharm...@hotmail.com>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: billgra...@gmail.com > > > Date: Tue, 13 Mar 2012 16:43:25 -0700 > > > Subject: Re: Creating a relation on the fly > > > To: user@pig.apache.org > > > > > > 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 $p2 in your script. > > > > > > > > > On Tue, Mar 13, 2012 at 2:37 PM, rakesh sharma > > > <rakesh_sharm...@hotmail.com>wrote: > > > > > > > > > > > Hi All, > > > > I have a situation where I need to create a relation by a combination > > of > > > > UDF and parameter values. For example, first field will be generated > > by UDF > > > > UUIDGenerator, second field by parameter p1, and third field by > > parameter > > > > p2. I am looking some way of having a relation window as expressed > > below: > > > > window = generate UUIDGenerator() as uuid, '$p1' as value1, '$p2' as > > > > value2; > > > > Any idea how it can be done. > > > > Thanks,Rakesh > > > > > > > >