Ticket #29885: 29885.diff

wp-includes/comment.php

@@ -475 +475 @@
                         foreach( $post_fields as $field_name => $field_value )
                                 $where .= $wpdb->prepare( " AND {$wpdb->posts}.{$field_name} = %s", $field_value );
                 }
+                
+                if ( ! empty( $this->query_vars['author__in'] ) ) {
+                        if ( empty( $join ) ) {
+                                $join = "JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID";
+                        }
+                        $where .= ' AND post_author IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__in'] ) ) . ' )';
+                }
 
+                if ( ! empty( $this->query_vars['author__not_in'] ) ) {
+                        if ( empty( $join ) ) {
+                                $join = "JOIN $wpdb->posts ON $wpdb->posts.ID = $wpdb->comments.comment_post_ID";
+                        }
+                        $where .= ' AND post_author NOT IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__not_in'] ) ) . ' )';
+                }
+
                 if ( ! empty( $this->meta_query->queries ) ) {
                         $clauses = $this->meta_query->get_sql( 'comment', $wpdb->comments, 'comment_ID', $this );
                         $join .= $clauses['join'];