Ticket #20206: 20206.2.diff

export.php

@@ -233 +233 @@
          * Output list of authors with posts
          *
          * @since 3.1.0
+         *
+         * @param array $post_ids Array of post IDs to include in the query
          */
-        function wxr_authors_list() {
+        function wxr_authors_list( $post_ids ) {
                 global $wpdb;
 
                 $authors = array();
-                $results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts" );
+                $where = 'WHERE ID IN (' . join( ',', $post_ids ) . ')';
+                $results = $wpdb->get_results( "SELECT DISTINCT post_author FROM $wpdb->posts $where" );
                 foreach ( (array) $results as $result )
                         $authors[] = get_userdata( $result->post_author );
 
@@ -337 +340 @@
         <wp:base_site_url><?php echo wxr_site_url(); ?></wp:base_site_url>
         <wp:base_blog_url><?php bloginfo_rss( 'url' ); ?></wp:base_blog_url>
 
-<?php wxr_authors_list(); ?>
+<?php wxr_authors_list( $post_ids ); ?>
 
 <?php foreach ( $cats as $c ) : ?>
         <wp:category><wp:term_id><?php echo $c->term_id ?></wp:term_id><wp:category_nicename><?php echo $c->slug; ?></wp:category_nicename><wp:category_parent><?php echo $c->parent ? $cats[$c->parent]->slug : ''; ?></wp:category_parent><?php wxr_cat_name( $c ); ?><?php wxr_category_description( $c ); ?></wp:category>