...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 some rows.
bool should_read_rows() const;
Call connection::read_some_rows
or its async counterpart
to move forward. Metadata for the current resultset is available in this
state.
No-throw guarantee.