English
- #ifndef __coldata3_hh__
- #define __coldata3_hh__
- #include <string>
- using namespace std ;
- #include <mysql.h>
- #include "coldata2.hh"
- #include "convert3.hh"
- #include "null3.hh"
- template <class Str, class T, class B>
- mysql_ColData<Str>::operator Null<T,B> () const {
- if ((*this)[0] == 'N' && (*this)[1] == 'U' &&
- (*this)[2] == 'U' && (*this)[3] == 'L' && size() == 4)
- return Null<T,B>(null);
- else return Null<T,B>(conv(T()));
- }
- #endif
