26 #ifndef __TERRALIB_DATAACCESS_INTERNAL_GROUPBY_H    27 #define __TERRALIB_DATAACCESS_INTERNAL_GROUPBY_H    30 #include <boost/ptr_container/ptr_vector.hpp>    40     typedef boost::ptr_vector<GroupByItem> 
GroupBy;
    45 #endif  // __TERRALIB_DATAACCESS_INTERNAL_GROUPBY_H boost::ptr_vector< GroupByItem > GroupBy
A class that can be used to model a GROUP BY clause. 
 
A class that can be used in a GROUP BY clause.