Ok, > then you can load b as a side file inside your udf. I'll will try to implement this approach.
May be in a future it will be useful to allow a LOAD inside a FOREACH Thanks. On Fri, Apr 30, 2010 at 5:51 PM, Alan Gates <[email protected]> wrote: > You need to change your group to a cogroup so that both bags are in your > data stream. If you don't want to group bag b by the same keys as a (that > is, you want all of b available for each group of a) t > Alan. > > > On Apr 30, 2010, at 4:32 AM, Jordi Deu-Pons wrote: > > Hi, >> >> I've developed an UDF that receives two bags as inputs and outputs one >> bag. >> >> One of the bags is different in every group and the other is always the >> same. >> >> Example code: >> >> A = LOAD 'a' AS (group, value); >> B = LOAD 'b'; >> G = GROUP A BY group; >> R = FOREACH G GENERATE FLATTEN(my.udf(A,B)); >> >> This give an error "Error during parsing. Invalid alias: B". >> I can understand this error, but I cannot realize another >> way to do this. >> >> Do you know which is the best way to do this? >> >> Thanks >> >> -- >> a10! i fins aviat. >> J:-Deu >> > > -- a10! i fins aviat. J:-Deu
