...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Constructs an identifier with two qualifiers.
constexpr identifier( string_view qual1, string_view qual2, string_view id);
Identifiers with two qualifier are used for field names. The first qualifier
identifies the database, the second, the table name. For instance, identifier("db",
"table_name",
"field_name")
maps to:
"`db`.`table_name`.`field_name`"
No-throw guarantee.