Ticket #18536: query.patch

wp-includes/query.php

@@ -1940 +1940 @@
                 $fields = '';
                 $post_status_join = false;
                 $page = 1;
+                $expand_ids = false;
 
                 if ( isset( $q['caller_get_posts'] ) ) {
                         _deprecated_argument( 'WP_Query', '3.1', __( '"caller_get_posts" is deprecated. Use "ignore_sticky_posts" instead.' ) );
@@ -2026 +2027 @@
                                 $fields = "$wpdb->posts.ID, $wpdb->posts.post_parent";
                                 break;
                         default:
-                                $fields = "$wpdb->posts.*";
+                                $fields = "$wpdb->posts.ID";
+                                $expand_ids = true;
                 }
 
                 // If a month is specified in the querystring, load that month
@@ -2606 +2608 @@
 
                 if ( 'ids' == $q['fields'] ) {
                         $this->posts = $wpdb->get_col($this->request);
-
                         return $this->posts;
-                }
+                } elseif($expand_ids) {
+                        $ids = $wpdb->get_col($this->request);
 
-                if ( 'id=>parent' == $q['fields'] ) {
+                        if ( !$q['no_found_rows'] && !empty($limits) ) {
+                                $found_posts_query = apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) );
+                                $this->found_posts = $wpdb->get_var( $found_posts_query );
+                                $this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) );
+                                $this->max_num_pages = ceil($this->found_posts / $q['posts_per_page']);
+                        }
+
+                        $query = sprintf("SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s) $orderby", join(",", $ids));
+                        $this->posts = $wpdb->get_results($query);                      
+                } elseif ( 'id=>parent' == $q['fields'] ) {
                         $this->posts = $wpdb->get_results($this->request);
 
                         $r = array();
@@ -2618 +2629 @@
                                 $r[ $post->ID ] = $post->post_parent;
 
                         return $r;
+                } else {
+                        $this->posts = $wpdb->get_results($this->request);
                 }
 
-                $this->posts = $wpdb->get_results($this->request);
-
                 // Raw results filter.  Prior to status checks.
                 if ( !$q['suppress_filters'] )
                         $this->posts = apply_filters_ref_array('posts_results', array( $this->posts, &$this ) );
@@ -2639 +2650 @@
                         $this->comment_count = count($this->comments);
                 }
 
-                if ( !$q['no_found_rows'] && !empty($limits) ) {
+                if ( !$q['no_found_rows'] && !empty($limits) && !$expand_ids ) {
                         $found_posts_query = apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) );
                         $this->found_posts = $wpdb->get_var( $found_posts_query );
                         $this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) );