"read" is a reserved word in mysql
(http://dev.mysql.com/doc/refman/5.0/en/reserved-words.html). You have
to double-quote reserved words:
mysql_query("SELECT * FROM mailbox WHERE \"read\"=''");
Graham Cossey wrote:
On 12/29/05, Jay Blanchard <jay.blanchard@xxxxxxxxxxx> wrote:
[snip]
could you please tell me what is the problem with this query
mysql_query("SELECT * FROM mailbox WHERE read=''");
i always get this warning:
Warning: mysql_num_rows(): supplied argument is not a valid MySQL
result resource in index.php on line 24
[/snip]
THere is no apparent problem with the query, but there is a problem with
mysql_num_rows(). Can you show us he code there?
I would hazard a guess that mysql_num_rows() is not being passed the
correct query result handle as a parameter.
ie: $result = mysql_query(...);
$rows = mysql_num_rows($result);
--
Graham
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