diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php
index 7c9c03e..2104601 100644
--- a/system/database/DB_forge.php
+++ b/system/database/DB_forge.php
@@ -532,11 +532,13 @@
 	/**
 	 * Column Add
 	 *
+	 * @todo	Remove deprecated $_after option in 3.1+
 	 * @param	string	$table	Table name
 	 * @param	array	$field	Column definition
+	 * @param	string	$_after	Column for AFTER clause (deprecated)
 	 * @return	bool
 	 */
-	public function add_column($table = '', $field = array())
+	public function add_column($table = '', $field = array(), $_after = NULL)
 	{
 		if ($table === '')
 		{
@@ -551,6 +553,12 @@
 
 		foreach (array_keys($field) as $k)
 		{
+			// Backwards-compatibility work-around for MySQL/CUBRID AFTER clause (remove in 3.1+)
+			if ($_after !== NULL && is_array($field[$k]) && ! isset($field[$k]['after']))
+			{
+				$field[$k]['after'] = $_after;
+			}
+
 			$this->add_field(array($k => $field[$k]));
 		}