incrementer.setColumnName("seq");
incrementer.setCacheSize(2);
incrementer.setPaddingLength(1);
incrementer.afterPropertiesSet();
assertEquals(1, incrementer.nextIntValue());
assertEquals(2, incrementer.nextLongValue());
assertEquals("3", incrementer.nextStringValue());
assertEquals(4, incrementer.nextLongValue());
verify(statement, times(2)).executeUpdate("update myseq set seq = last_insert_id(seq + 2)");