DataJoin is an example. Most people doing joins use Hive or Pig rather then code them up themselves.
On Tue, Jul 24, 2012 at 5:19 PM, Abhinav M Kulkarni <abhinavkulka...@gmail.com> wrote: > Hi, > > Do we not have any info on this? Join must be such a common scenario for > most of the people out on this list. > > Thanks. > > On 07/22/2012 10:22 PM, Abhinav M Kulkarni wrote: >> >> Hi, >> >> I was planning to use DataJoin jar (located in >> $HADOOP_INSTALL/contrib/datajoin) for reduce-side join (version 1.0.3). >> >> It looks like DataJoinMapperBase implements Mapper interface (according to >> old API) and not extends it (according to new API). This is a problem >> because I cannot write Map classes that extend DataJoinMapperBase. >> >> Do we have newer version of data join jar? >> >> Thanks. > >
