add files to project

migrations/m170301_071147_add_tm_field_to_cache.php

@@ -0,0 +1,27 @@
+<?php
+
+use yii\db\Migration;
+
+class m170301_071147_add_tm_field_to_cache extends Migration
+{
+    public function up()
+    {
+        $this->addColumn("cache", "tm", $this->timestamp()->defaultExpression('NOW()'));
+    }
+
+    public function down()
+    {
+        $this->dropColumn("cache", "tm");
+    }
+
+    /*
+    // Use safeUp/safeDown to run migration code within a transaction
+    public function safeUp()
+    {
+    }
+
+    public function safeDown()
+    {
+    }
+    */
+}