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Posted by ZeldorBlat on 04/10/07 14:46
On Apr 10, 10:04 am, Tyno Gendo <you@localhost> wrote:
> Two questions in a row.. I'm on a roll :)
>
> When i perform UPDATEs in my admin system, I'm checking for success by
> using mysql_affected_rows() and this works fine if data is changed and
> updated.
>
> However, if a user submits an admin page without chaning any details,
> the SQL executes fine, but mysql_affected_rows() returns 0 as MySQL is
> clever enough to work out that nothing changed.
>
> How do people deal with this? It hampers my error check as
> mysql_affected_rows() can be 0 for a perfectly valid update.
>From the manual at <http://www.php.net/mysql_query>
"For other type of SQL statements, UPDATE, DELETE, DROP, etc,
mysql_query() returns TRUE on success or FALSE on error."
So check the return value of mysql_query(), not the value of
mysql_affected_rows().
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