Ticket #14777: 14777.diff

wp-includes/query.php

@@ -1185 +1185 @@
                         , 'preview'
                         , 's'
                         , 'sentence'
+                        , 'fields'
                 );
 
                 foreach ( $keys as $key ) {
-                        if ( !isset($array[$key]))
+                        if ( !isset($array[$key]) )
                                 $array[$key] = '';
                 }
 
@@ -1196 +1197 @@
                         'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and');
 
                 foreach ( $array_keys as $key ) {
-                        if ( !isset($array[$key]))
+                        if ( !isset($array[$key]) )
                                 $array[$key] = array();
                 }
                 return $array;
@@ -1648 +1649 @@
                 $join = '';
                 $search = '';
                 $groupby = '';
-                $fields = "$wpdb->posts.*";
+                $fields = '';
                 $post_status_join = false;
                 $page = 1;
 
@@ -1729 +1730 @@
                 else
                         $q['no_found_rows'] = false;
 
+                switch ( $q['fields'] ) {
+                        case 'ids':
+                                $fields = "$wpdb->posts.ID";
+                                break;
+                        case 'id=>parent':
+                                $fields = "$wpdb->posts.ID, $wpdb->posts.post_parent";
+                                break;
+                        default:
+                                $fields = "$wpdb->posts.*";
+                }
+
                 // If a month is specified in the querystring, load that month
                 if ( $q['m'] ) {
                         $q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']);
@@ -2272 +2284 @@
                         $groupby = 'GROUP BY ' . $groupby;
                 if ( !empty( $orderby ) )
                         $orderby = 'ORDER BY ' . $orderby;
+
                 $found_rows = '';
                 if ( !$q['no_found_rows'] && !empty($limits) )
                         $found_rows = 'SQL_CALC_FOUND_ROWS';
@@ -2280 +2293 @@
                 if ( !$q['suppress_filters'] )
                         $this->request = apply_filters_ref_array('posts_request', array( $this->request, &$this ) );
 
+                if ( 'ids' == $q['fields'] ) {
+                        $this->posts = $wpdb->get_col($this->request);
+
+                        return $this->posts;
+                }
+
+                if ( 'id=>parent' == $q['fields'] ) {
+                        $this->posts = $wpdb->get_results($this->request);
+
+                        $r = array();
+                        foreach ( $this->posts as $post )
+                                $r[ $post->ID ] = $post->post_parent;
+
+                        return $r;
+                }
+
                 $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 ) );