...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Returns whether the next operation should be read resultset head.
bool should_read_head() const;
Call connection::read_resultset_head
or its async
counterpart to move forward. Metadata and OK data for the previous resultset
is available in this state.
No-throw guarantee.