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Optimize Whoa Cowboy query. Only look back one hour. props mdawaffe. fixes #4366

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git-svn-id: http://svn.automattic.com/wordpress/trunk@12376 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
markjaquith 2009-12-11 23:29:19 +00:00
parent 657aa5adc3
commit a8686bb67c
1 changed files with 2 additions and 1 deletions
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3
wp-includes/comment.php
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@ -550,7 +550,8 @@ function check_comment_flood_db( $ip, $email, $date ) {
global $wpdb;
if ( current_user_can( 'manage_options' ) )
return; // don't throttle admins
if ( $lasttime = $wpdb->get_var( $wpdb->prepare("SELECT comment_date_gmt FROM $wpdb->comments WHERE comment_author_IP = %s OR comment_author_email = %s ORDER BY comment_date DESC LIMIT 1", $ip, $email) ) ) {
$hour_ago = gmdate( 'Y-m-d H:i:s', time() - 3600 );
if ( $lasttime = $wpdb->get_var( $wpdb->prepare( "SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( `comment_author_IP` = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1", $hour_ago, $ip, $email ) ) ) {
$time_lastcomment = mysql2date('U', $lasttime, false);
$time_newcomment = mysql2date('U', $date, false);
$flood_die = apply_filters('comment_flood_filter', false, $time_lastcomment, $time_newcomment);