Function get_backend_error_code

include/soci/sqlite3/soci-sqlite3.h:78–78

    // Implement generic functions from the base class.
    std::string get_backend_name() const override { return "sqlite3"; }
    int get_backend_error_code() const override { return extended_result(); }

private:
    // We store the extended result only, primary result is obtained from it.