Ticket #19866: 19866.diff

wp-includes/query.php

@@ -2039 +2039 @@
                                 $fields = "$wpdb->posts.ID, $wpdb->posts.post_parent";
                                 break;
                         default:
-                                $fields = "$wpdb->posts.*";
+                                if ( is_array( $q['fields'] ) ) {
+                                        $_fields = array();
+                                        foreach ( $q['fields'] as $field ) {
+                                                if ( false === strpos( $field, '.' ) )
+                                                        $_fields[] = "$wpdb->posts.$field";
+                                                else
+                                                        $_fields[] = $field;
+                                        }
+                                        $fields = join( ', ', $_fields );
+                                } else {        
+                                        $fields = "$wpdb->posts.*";
+                                }
                 }
 
                 if ( '' !== $q['menu_order'] )
@@ -2667 +2678 @@
                         return $r;
                 }
 
+                if ( is_array( $q['fields'] ) ) {
+                        $this->posts = $wpdb->get_results( $this->request );
+                        $this->post_count = count( $this->posts );
+                        $this->set_found_posts( $q, $limits );
+                        
+                        return $this->posts;
+                }
+                
                 $split_the_query = ( $old_request == $this->request && "$wpdb->posts.*" == $fields && !empty( $limits ) && $q['posts_per_page'] < 500 );
                 $split_the_query = apply_filters( 'split_the_query', $split_the_query, $this );