@Override
        public Integer handle(ResultSet rs) throws SQLException {
            int rowCount = 0;
            while (rs.next()) {
                rowCount++;
            }
            return rowCount;
        }
Initialize the DB with the apiman gateway DDL.
@param connection
gateway/engine/jdbc/src/test/java/io/apiman/gateway/engine/jdbc/JdbcMetricsTest.java