tree fe28e938aeb236eca7d4e640971290347f0232ae
parent ce87610ea77b974843b20263e6308319ec4e5b5c
author vinayakb <vinayakb@123451ca-8445-de46-9d55-352943316053> 1285880248 +0000
committer vinayakb <vinayakb@123451ca-8445-de46-9d55-352943316053> 1285880248 +0000

Added Binary Preclustered Group Operator. Preclustered and Hash based group operators now use the same aggregator interface. Added a Frame Writing Operator.

git-svn-id: https://hyracks.googlecode.com/svn/trunk/hyracks@132 123451ca-8445-de46-9d55-352943316053