Add DB migration for station_power

application/config/migration.php

@@ -21,7 +21,7 @@ $config['migration_enabled'] = TRUE;
 | be upgraded / downgraded to.
 |
 */
-$config['migration_version'] = 119;
+$config['migration_version'] = 120;
 
 /*
 |--------------------------------------------------------------------------

application/migrations/120_add_station_power.php

@@ -0,0 +1,24 @@
+<?php
+defined('BASEPATH') or exit('No direct script access allowed');
+
+class Migration_add_station_power extends CI_Migration
+{
+	public function up()
+	{
+		$fields = array(
+			'station_power SMALLINT NULL DEFAULT NULL AFTER `station_callsign`',
+		);
+
+		if (!$this->db->field_exists('station_power', 'station_profile')) {
+			$this->dbforge->add_column('station_profile', $fields);
+		}
+	}
+
+	public function down()
+	{
+
+		if ($this->db->field_exists('station_power', 'station_profile')) {
+			$this->dbforge->drop_column('station_profile', 'station_power');
+		}	
+	}
+}