The problem might be Java's limitation on having a single top-level class in each file (as opposed to classes nested within a top-level class). You would have to nest your UDFs in such a top-level class. That would work fine, but when you define a TEMPORARY FUNCTION in Hive, I don't know if the syntax supports references nested UDFs within a class. Perhaps someone else can comment, or you could do the experiment yourself and see ;) If it doesn't work, you'll just refactor the code into separate files.
Actually, since you should build a jar with your UDFs anyway, it's probably doesn't matter a lot how many files you have, other than the slight inconvenience of managing more than one. dean On Tue, Jul 9, 2013 at 7:49 AM, Manickam P <manicka...@outlook.com> wrote: > Hi, > > Can we write more than one function like to_upper and to_lower in same UDF > ? Or do we need write separate UDF for each? > Please let me know. > > > > Thanks, > Manickam P > -- Dean Wampler, Ph.D. @deanwampler http://polyglotprogramming.com
