At 22:18 +0200 4/16/05, Andy Pieters wrote:
>Hi everone
>
>I ran into some situation where MySql selects a row by using the following
>query:
>
>SELECT `id` FROM `shop_products` WHERE `id`="4aef" LIMIT 1;
>+----+
>| id |
>+----+
>| 4 |
>+----+
>
>Granted the field IS of type int but 4 is not identical to 4aef (it may be
>equal to the eyes of MySql)
>
>Isn't there an MySql equivalent of === (test for same+same type) or should I
>just ignore this.
For a comparison of integer with string, the string is converted to number
and a numeric comparison is done. '4aef' converts to 4.
I suppose you could convert the integer to string instead:
WHERE CONCAT(`id`) = "4aef"
--
Paul DuBois, MySQL Documentation Team
Madison, Wisconsin, USA
MySQL AB, www.mysql.com
