Ticket #10492: wp_delete_attachment.diff

Users/simon/Projects/StephenFry/site/wordpress/wp-includes/post.php

@@ -2603 +2603 @@
 
         $uploadPath = wp_upload_dir();
 
-        if ( ! empty($meta['thumb']) ) {
+        if ( ! empty($meta['sizes']['thumbnail']) ) {
                 // Don't delete the thumb if another attachment uses it
-                if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%'.$meta['thumb'].'%', $postid)) ) {
-                        $thumbfile = str_replace(basename($file), $meta['thumb'], $file);
+                if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%'.$meta['sizes']['thumbnail']['file'].'%', $postid)) ) {
+                        $thumbfile = str_replace(basename($file), $meta['sizes']['thumbnail']['file'], $file);
                         $thumbfile = apply_filters('wp_delete_file', $thumbfile);
                         @ unlink( path_join($uploadPath['basedir'], $thumbfile) );
                 }