...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.
template< std::size_t I = 0> 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.
Type |
Description |
---|---|
|
Resultset index. For operations returning more than one resultset, you can explicitly specify this parameter to obtain the value for the i-th resultset. If left unspecified, the value for the first resultset is returned. |
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.