Signature Description Parameters
template<typename T>
typename type_declare<H, T>::type &
get_column (const char *name);
It returns a reference to the container of named data column The return type depends on if we are in standard or view mode T: Type of the named data column
template<typename T>
const typename type_declare<H, T>::type &
get_column (const char *name) const;
It returns a const reference to the container of named data column The return type depends on if we are in standard or view mode T: Type of the named data column