Hello All,
I have been using PHP4 with mysql-3.23.29a-gamma-dec-osf4.0f-alphaev6
running on a machine running Digital UNIX V4.0F. Since upgrading the
database from 3.22 to 3.23, auto-increment fields have been acting
strangely.
A brief description of the table looks like:
+--------------------+-----------------------+------+-----+--------------------------------+----------------+---------------------------------+
| Field | Type | Null | Key |Default | Extra
+--------------------+-----------------------+------+-----+--------------------------------+----------------+---------------------------------+
| scientist_pk | mediumint(8) unsigned | | PRI | NULL | auto_increment
.
.
.
At the moment, the largest scientist_pk in the database is 254:
mysql> select login,passwd,scientist_pk from users order by scientist_pk desc limit 1;
+----------+------------------+--------------+
| login | passwd | scientist_pk |
+----------+------------------+--------------+
| jimbo | 18ac6f1d2a33923d | 254 |
However, if I do an insert, the next scientist_pk should be 255, but is
instead BIG (i.e. 65548).
mysql> INSERT INTO users (login,passwd) VALUES ("fred" , PASSWORD("bob"));
mysql> select login,passwd,scientist_pk from users order by scientist_pk desc limit 1;
+----------+------------------+--------------+
| login | passwd | scientist_pk |
+----------+------------------+--------------+
| fred | 7d67547927a4589e | 65548 |
I don't know if this helps, but if I insert one more time:
mysql> select login,passwd,scientist_pk from users order by scientist_pk desc limit 10;
+----------+------------------+--------------+
| login | passwd | scientist_pk |
+----------+------------------+--------------+
| fred | 7d67547927a4589e | 65549 |
| fred | 7d67547927a4589e | 65548 |
Strange, huh? It just seems to like jumping to 65548, which makes zippo
sense since the unsigned range is 0 to 16777215 for a mediumint.
Has anyone seen this before and know how to fix it?!
Thanks much,
Parag M
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