...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Returns the number of rows affected by the SQL statement associated to this resultset.
std::uint64_t affected_rows() const;
No-throw guarantee.
this->complete()
== true
|| this->should_read_head() == true