Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Boost
C++ Libraries
...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.
For operations returning more than one resultset, returns metadata for the first resultset.
this->has_value()
== true
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.
Constant.