What about:
"ALTER TABLE <tablename>
ORDER BY <fieldname>;"
HTH, Cor
----- Original Message -----
From: "Rob Wultsch" <[EMAIL PROTECTED]>
To: "afan pasalic" <[EMAIL PROTECTED]>
Cc: <mysql@lists.mysql.com>
Sent: Thursday, May 15, 2008 8:23 PM
Subject: Re: reorder records in database
On Thu, May 15, 2008 at 11:38 AM, afan pasalic <[EMAIL PROTECTED]> wrote:
is there built in function to "reset" order_no or I have to create php
script for it?
There is not a built in way to do this. Using a user defined variable
it is not all that hard to deal with though
mysql> drop table if exists t1;
Query OK, 0 rows affected (0.00 sec)
mysql> CREATE TABLE `t1` (
-> `col1` int,
-> `col2` int
-> );
Query OK, 0 rows affected (0.03 sec)
mysql> insert into t1 values(0,1),(3,2),(5,3),(7,4),(9,5),(11,6),(15,7);
Query OK, 7 rows affected (0.00 sec)
Records: 7 Duplicates: 0 Warnings: 0
mysql>
mysql> SET @incr =0;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql> UPDATE t1
-> SET col1 =(SELECT @incr:[EMAIL PROTECTED])
-> ORDER BY col1;
Query OK, 7 rows affected (0.00 sec)
Rows matched: 7 Changed: 7 Warnings: 0
mysql>
mysql> select * from t1;
+------+------+
| col1 | col2 |
+------+------+
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
+------+------+
7 rows in set (0.00 sec)
--
Rob Wultsch
[EMAIL PROTECTED]
wultsch (aim)
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