...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Returns metadata about the columns in the query.
metadata_collection_view meta() const;
The returned collection will have as many metadata
objects as columns retrieved
by the SQL query, and in the same order.
No-throw guarantee.
This function returns a view object, with reference semantics. The returned
view points into memory owned by *this
, and will be valid as long as *this
or
an object move-constructed from *this
are alive.