Ticket #19198: 19198.2.diff

wp-includes/query.php

@@ -2387 +2387 @@
 
                 if ( 'any' == $post_type ) {
                         $in_search_post_types = get_post_types( array('exclude_from_search' => false) );
-                        if ( ! empty( $in_search_post_types ) )
+                        if ( empty( $in_search_post_types ) )
+                                $where .= ' AND 1=0';
+                        else
                                 $where .= $wpdb->prepare(" AND $wpdb->posts.post_type IN ('" . join("', '", $in_search_post_types ) . "')");
                 } elseif ( !empty( $post_type ) && is_array( $post_type ) ) {
                         $where .= " AND $wpdb->posts.post_type IN ('" . join("', '", $post_type) . "')";