Improved BTree ops to generate less objects. For example, BTreeOpContext can now be reused for multiple operations.

git-svn-id: https://hyracks.googlecode.com/svn/trunk@228 123451ca-8445-de46-9d55-352943316053
9 files changed
tree: c8958ed24d66c23f828bad21c1a49b3637ca1b71
  1. hyracks/