Method table_creator_4

tests/db2/test-db2.cpp:100–103

    }

    table_creator_base* table_creator_4(soci::session& s) const override
    {
        return new table_creator_for_get_affected_rows(s);
    }

    std::string to_date_time(std::string const & pi_datdt_string) const override
    {