unity.operators
Classes 
BufferOperator
ChainedHashTable
DistributedJoin
DualHashTable
DynamicHashJoin
EarlyHashJoin
FileScan
HashMergeJoin
MatchOperator
MemoryManager
MergeJoin
MergeSort
NestedLoopJoin
Operator
PageHashTable
Projection
ProjectionList
ResultSetScan
Selection
SortEliminator
SortGrouper
SortSetOp
TextFileScan
XJoin