> > DEFINE func mypackage.myfunc(parameter); Thanks! this is so cool. Holy grail, literary. i think this was not available at least in 0.6? Since when is this available for eval funcs?
> > So you could also instantiate 2 versions. > > 2011/4/15 Dmitriy Lyubimov <dlyubi...@apache.org> > >> Hi, >> >> is it possible to create an aggregating function with 2 parameters one >> of which is bag and another one is not? >> >> In particular, i want to use that to work around lack of function >> invocation instance configuration. >> >> say I have a function that can aggregate over some period of history , >> say, aggregate (days, sampleBag). >> >> sampleBag is a bag of tuples in a form (value,time). So i want to use >> it multiple times in the same script to aggregate exponentially over >> 30 days and another invocation instance to aggregate the same bag over >> 7 days. Exponential scale depends on this time parameter. So i want to >> use it in something like >> >> B = foreach A generate agregate(30,sampleBag) as 30daysAggregate, >> aggregate(7,sampleBag) as 7daysAggregate. >> >> Question 1 -- is it even valid format for a function implementing >> Algebraic? >> Question 2 -- would i be also able to use Accumulator interface ? >> >> If not, how can I parameterize invocations? I know udf manual says i >> really can't so if the above is the way it is, it would really be >> very, very sad. I would really hate to create versions such as >> aggregate7days(bag),aggregate30days(bag)...? >> >> Thanks. >> -d >> >
