feat:修改评论表中的星级字段

backend/modules/shop/migrations/m191217_021455_update_column_star_in_table_ats_comment.php

@@ -0,0 +1,20 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Class m191217_021455_update_column_star_in_table_ats_comment
+ */
+class m191217_021455_update_column_star_in_table_ats_comment extends Migration
+{
+    public function up()
+    {
+        $this->dropColumn('ats_comment', 'star');
+        $this->addColumn('ats_comment', 'star', $this->integer(11)->notNull()->defaultValue("0")->comment('星级'));
+    }
+
+    public function down()
+    {
+        return true;
+    }
+}