Yong, In my opinion, #2 wouldn't be that hard to do. Of course, upgrading to the new API (albeit by updating Hive) would the right thing to do long term.
Mark On Mon, Dec 3, 2012 at 7:42 AM, java8964 java8964 <java8...@hotmail.com>wrote: > Hi, > > Our company current is using CDH3 release, which comes with Hive 0.7.1. > > Right now, I have the data coming from another team, which also provides > the custom InputFormat and RecorderReader, but using the new mapreduce API. > > I am trying to build a hive table on these data, and hope I can reuse the > existing InputFormat. But I got a problem, that in HIVE 0.7.x, only old API > is supported. > > I have 3 options now: > > 1) Upgrade whole hadoop system,which is not a real option as right now. > 2) Ask the other team to provide the custom InputFormat/RecorderReader > under old mapred API. I am working on this, but not sure if it is possible > or how long. > 3) Writable a wrapper class, providing old API based on the new API class. > My question is, is the 3rd optional valid? Does anyone do > the similar things before? > > > Thanks > > Yong >