Hi Tim, I guess there are several ways to do it and your method seems to be one of them. I have a need for the same thing and i create a view instead. It points to the date that is the latest partition.
eg. create view foo_latest_vw as select * from foo_table where date=<the latest date> #and date is the partition key. I'm sure there are other ways as well. :) On Wed, Oct 2, 2013 at 12:45 PM, Timothy Potter <thelabd...@gmail.com>wrote: > btw ... this appears to work in my env - hive 0.9.0 (cdh 4.1.1) ... let me > know if there's any drawbacks to this approach. > > Thanks. > Tim > > > On Wed, Oct 2, 2013 at 1:12 PM, Timothy Potter <thelabd...@gmail.com>wrote: > >> Hi, >> >> I'd like to implement a "latest" partition concept for one of my tables >> and believe I can simply update the location using alter table X partition >> (date='latest') set location 'foo'; >> >> This assumes two partitions can point at the same location? >> >> My other question is what happens to current running jobs against the >> partition I'm updating. In my case the jobs are Pig scripts using >> HCatLoader. I believe the HCatLoader reads input paths during job setup, so >> changing the location of my "latest" partition is safe, but wanted to >> verify. >> >> Thanks. >> Tim >> > >
