Merge upstream branch and fix private methods to be protected
diff --git a/system/database/drivers/postgre/postgre_forge.php b/system/database/drivers/postgre/postgre_forge.php
index 5af834b..f9c79bf 100644
--- a/system/database/drivers/postgre/postgre_forge.php
+++ b/system/database/drivers/postgre/postgre_forge.php
@@ -66,7 +66,7 @@
* @param mixed the fields
* @return string
*/
- private function _process_fields($fields, $primary_keys = array())
+ protected function _process_fields($fields, $primary_keys = array())
{
$sql = '';
$current_field_count = 0;