tree 9fcb1692f49a1bf2d9c15b36bb28a2da1bef60aa
parent 26c6bb6b2939d76c9726d0f57ca5c7a8d1eeaab6
author Abdullah Alamoudi <alamouda@uci.edu> 1402475123 -0700
committer Ian Maxon <imaxon@uci.edu> 1402596416 -0800

Adding external indexes

In Hyracks side, this change include the following:
1. The addition of three indexes:
 a) external b-tree index
 b) external r-tree index
 c) external b-tree with buddy b-tree index
2. creating an additional logical operator in algebricks for performing lookup operations over external data and modify the different visitors to work with this operator

3. Added copyright header to all new files

Change-Id: Iecfbd86f06aff3caaf3a9652b63420666745ebb9
Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/69
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Zachary Heilbron <zheilbron@gmail.com>
Reviewed-by: Sattam Alsubaiee <salsubaiee@gmail.com>
Reviewed-by: Ian Maxon <imaxon@uci.edu>