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<?php
use yii\db\Migration;
/**
* Class m180513_122239_clear_media_table
*/
class m180513_122239_clear_media_table extends Migration
{
* {@inheritdoc}
public function safeUp()
$this->delete('media', ['likes' => null]);
}
public function safeDown()
return true;
/*
// Use up()/down() to run migration code without a transaction.
public function up()
public function down()
echo "m180513_122239_clear_media_table cannot be reverted.\n";
return false;