mysql> select fud2_pmsg.id, fud2_pmsg.offset from fud2_pmsg order by fud2_pmsg.id asc limit 0,10;
+----+--------+
| id | offset |
+----+--------+
|  1 |      0 |
|  2 |    283 |
|  4 |    591 |
|  5 |    874 |
|  7 |   1115 |
|  8 |   1115 |
|  9 |   1447 |
| 12 |   1907 |
| 13 |    566 |
| 14 |    566 |
+----+--------+
10 rows in set (0.12 sec)

mysql> select fud2_pmsg.id, fud2_pmsg.foff from fud2_pmsg order by fud2_pmsg.id asc limit 0,10;
+----+------+
| id | foff |
+----+------+
|  1 |  283 |
|  2 |  283 |
|  4 |  283 |
|  5 |  283 |
|  7 |  283 |
|  8 |  283 |
|  9 |  283 |
| 12 |  283 |
| 13 |  283 |
| 14 |  283 |
+----+------+
10 rows in set (0.01 sec)