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Posted by Aaron Gray on 01/02/08 01:56
"Rik Wasmus" <luiheidsgoeroe@hotmail.com> wrote in message
news:op.t392n4xa5bnjuv@metallium.lan...
On Wed, 02 Jan 2008 01:50:20 +0100, Aaron Gray <ang.usenet@gmail.com>
wrote:
> I have a MySQL table of pages each with a 'title' and 'page' fields.
>
> How do I do either an UPDATE if the pages 'title' exists or an INSERT if
> it
> does not ?
>
> The code I have written does not seem to do the job correctly.
>
> $result = mysql_query( "SELECT page FROM pages WHERE title = '" .
> $title
> . "';");
>
> $row = mysql_fetch_array( $result, MYSQL_ASSOC);
>
> if ( isset( $row["title"]) && $row[title] == $title)
> {
> $result = mysql_query( "UPDATE pages SET page = '". $page . "'
> WHERE
> title = '" .$title . "';");
> if ($result)
> mysql_query( "COMMIT;");
> }
> else
> {
> $result = mysql_query( "INSERT INTO pages SET title ='" . $title
> .
> "', page = '" . $page . "';");
> if ($result)
> mysql_query( "COMMIT;");
> };
>
> This code is buggy and doing an insert rather than an update. How would
> you
> approach this task ?
It could be done with one easy query, look into ON DUPLICATE KEY UPDATE
syntax, ask in comp.databases.mysql
I need to keep the logic in PHP rather than using SQL.
Aaron
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