added UNIQUE to nested subquery types
added UNIQUE to nested subquery types

IITDBGroup/gprom,IITDBGroup/gprom,mikebrachmann/gprom,mikebrachmann/gprom,mikebrachmann/gprom,mikebrachmann/gprom,IITDBGroup/gprom,mikebrachmann/gprom,IITDBGroup/gprom,mikebrachmann/gprom,IITDBGroup/gprom,mikebrachmann/gprom,IITDBGroup/gprom