Add some extra comment stuff. Finally fixed the last comment author crap.

modules/views_comment.inc

@@ -42,10 +42,11 @@ function comment_views_tables() {
        ),
       'last_comment_name' => array(
         'name' => t('Comment: Last Comment Author'),
-        'handler' => 'views_handler_field_username',
+        'query_handler' => 'views_query_handler_field_last_comment_name',
+        'handler' => 'views_handler_field_last_comment_name',
         'sortable' => true,
         'uid' => 'last_comment_uid',
-        'addlfields' => array('last_comment_uid'),
+        'addlfields' => array('last_comment_name', 'last_comment_uid'),
         'help' => t('This will display the name of the last user to comment on the post.'),
       ),
       'comment_count' => array(
@@ -60,22 +61,58 @@ function comment_views_tables() {
     ),
     'filters' => array(
       'comment_count' => array(
-        'name' => t('Node: Comment Count'),
+        'name' => t('Comment: Comment Count'),
         'operator' => 'views_handler_operator_gtlt',
         'option' => 'integer',
         'help' => t('This filter allows you to filter by the amount of comments.'),
       ),
+      'last_comment_timestamp' => array(
+        'name' => t('Comment: Last Comment Time'),
+        'operator' => 'views_handler_operator_gtlt',
+        'value' => views_handler_filter_date_value_form(),
+        'handler' => 'views_handler_filter_timestamp',
+        'option' => 'string',
+        'help' => t('This filter allows nodes to be filtered by the last comment timestamp. Enter dates in the format: CCYY-MM-DD HH:MM:SS. Enter \'now\' to use the current time. You may enter a delta (in seconds) to the option that will be added to the time; this is most useful when combined with now. If you have the jscalendar module from jstools installed, you can use a popup date picker here.'),
+      ),
     ),
     'sorts' => array(
       'last_comment_timestamp' => array(
         'name' => t('Comment: Last Comment Date'),
         'help' => t('This will allow you to sort by the date of the most recent comment on a node.')
       ),
+      'comment_count' => array(
+        'name' => t('Comment: Comment Count'),
+        'help' => t('This filter allows you to sort by the number of comments.'),
+      ),
     ),
   );
   return $tables;
 }
 
+function views_query_handler_field_last_comment_name($field, $fieldinfo, &$query) {
+  $num = $query->add_table('users', false, 1, array(
+    'left' => array(
+      'table' => $field['tablename'],
+      'field' => 'last_comment_uid'
+    ),
+    'right' => array(
+      'field' => 'uid'
+    ),
+  ));
+  $query->add_field('name', $query->get_table_name('users', $num), $field['tablename'] . '_name');
+}
+
+function views_handler_field_last_comment_name($fieldinfo, $fielddata, $value, $data) {
+  $obj->name = $value;
+  $uidfield = $fielddata['tablename'] . "_"  . $fieldinfo['uid'];
+  $obj->uid = $data->$uidfield;
+  if ($obj->uid != 0) {
+    $fieldname = $fielddata['tablename'] . '_name';
+    $obj->name = $data->$fieldname;
+  }
+  return theme('username', $obj);
+}
+
 /*
 function comment_views_arguments() {