This is definitely interesting to me. Related discussion you can find here:
http://issues.apache.org/jira/browse/HBASE-3434 I plan on doing this via a coprocessor and will upload the patch in a few days. thanks dhruba On Mon, Jan 17, 2011 at 2:14 AM, <[email protected]> wrote: > Hi, > we are currently looking into HBase. > Just what we would require is some kind kind of merging old and new values. > One example would be an append: instead of table.put we like to have a > table.merge(PUT, "append"). > > In traditional databases this behavior could be achieved by trigger > functions. > > So here some questions: > > a) Does some way to do so already exist and we overlooked it (Yes, we might > access old versions and "merge" at query time) > b) Any ideas where to start implementing this kind of functionality? > (overall idea: provide some merge user defined function which can be > specidied at put/merge time) > c) Is this interesting to other people as well? > > Thanks! > JS > -- Connect to me at http://www.facebook.com/dhruba
