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console/migrations/m180524_141442_alter_table_comments.php 679 Bytes
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  <?php
  
  use yii\db\Migration;
  
  /**
   * Class m180524_141442_alter_table_comments
   */
  class m180524_141442_alter_table_comments extends Migration
  {
      /**
       * {@inheritdoc}
       */
      public function safeUp()
      {
          $this->addColumn('comment', 'on_main', $this->boolean());
      }
  
      /**
       * {@inheritdoc}
       */
      public function safeDown()
      {
          $this->dropColumn('comment', 'on_main');
      }
  
      /*
      // Use up()/down() to run migration code without a transaction.
      public function up()
      {
  
      }
  
      public function down()
      {
          echo "m180524_141442_alter_table_comments cannot be reverted.\n";
  
          return false;
      }
      */
  }