1 files changed, 28 insertions, 0 deletions
diff --git a/sites/all/modules/views/modules/comment/views_handler_sort_comment_thread.inc b/sites/all/modules/views/modules/comment/views_handler_sort_comment_thread.inc
new file mode 100644
index 000000000..e513a93e8
--- /dev/null
+++ b/sites/all/modules/views/modules/comment/views_handler_sort_comment_thread.inc
@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * @file
+ * Definition of views_handler_sort_comment_thread.
+ */
+
+/**
+ * Sort handler for ordering by thread.
+ *
+ * @ingroup views_sort_handlers
+ */
+class views_handler_sort_comment_thread extends views_handler_sort {
+  function query() {
+    $this->ensure_my_table();
+
+    //Read comment_render() in comment.module for an explanation of the
+    //thinking behind this sort.
+    if ($this->options['order'] == 'DESC') {
+      $this->query->add_orderby($this->table_alias, $this->real_field, $this->options['order']);
+    }
+    else {
+      $alias = $this->table_alias . '_' . $this->real_field . 'asc';
+      //@todo is this secure?
+      $this->query->add_orderby(NULL, "SUBSTRING({$this->table_alias}.{$this->real_field}, 1, (LENGTH({$this->table_alias}.{$this->real_field}) - 1))", $this->options['order'], $alias);
+    }
+  }
+}