Ticket #21435: index.patch

wp-admin/includes/schema.php

@@ -106 +106 @@
   KEY comment_post_ID (comment_post_ID),
   KEY comment_approved_date_gmt (comment_approved,comment_date_gmt),
   KEY comment_date_gmt (comment_date_gmt),
+  KEY comment_author (wcomment_author(2)),
   KEY comment_parent (comment_parent)
 ) $charset_collate;
 CREATE TABLE $wpdb->links (