Bug in MemoryStoreSinkOperator - UnionRDDs aren't actually flattened...
Unit test for UnionRDD "flattening".
Import ordering...
filter() => find() in SQLSuite when searching for nested UnionRDDs.
Unit tests for flattening UnionRDDs for partitioned tables.
Don't modify 'test_cached' table in SQLSuite...
Merge pull request #204 from harveyfeng/flatten-bug

Actually "flatten UnionRDDs.