1. Ray's fix on TPCH hash outer join test
2. Add block_nest_loop_join runtime operators, and the interface ITuplePairComparator and ITuplePairComparatorFactory
3. Add TPCH tests for block_nested_loop_join
  

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_aqua_changes@414 123451ca-8445-de46-9d55-352943316053
6 files changed