add migration add column id_key to customer

console/migrations/m151208_212339_alter__table__customer__add__column__key.php

@@ -0,0 +1,30 @@
+<?php
+
+use yii\db\Schema;
+use yii\db\Migration;
+
+class m151208_212339_alter__table__customer__add__column__key extends Migration
+{
+    public function up()
+    {
+    	$this->addColumn("customer", "id_key", "int");
+    }
+
+    public function down()
+    {
+        echo "m151208_212339_alter__table__customer__add__column__key cannot be reverted.\n";
+
+        return false;
+    }
+
+    /*
+    // Use safeUp/safeDown to run migration code within a transaction
+    public function safeUp()
+    {
+    }
+
+    public function safeDown()
+    {
+    }
+    */
+}