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 additional text information about the execution of the SQL statement.
string_view info() const;
The format of this information is documented by MySQL here.
The returned string always uses ASCII encoding, regardless of the connection's character set.
For operations returning more than one resultset, returns the first resultset's info.
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.