tree 9c2c4156c0746b0b94b81e563ab78b589e088838
parent 39c6214a38594460b1827c3016f7ff8f71cac493
author Harshad Deshmukh <hbdeshmukh@apache.org> 1511907419 -0600
committer Harshad Deshmukh <hbdeshmukh@apache.org> 1512159979 -0600

Get the list of referenced base relations

- Find the base relations that are referenced in the query.
- The referenced relations are stored in the QueryHandle.
- Separate method in QueryProcessor class to just get this list of relations,
  without needing to fully optimize the query.