m180831_083021_alter_page_columns.php
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<?php
use yii\db\Migration;
/**
* Class m180831_083021_alter_page_columns
*/
class m180831_083021_alter_page_columns extends Migration
{
/**
* {@inheritdoc}
*/
public function safeUp()
{
$this->dropColumn('page', 'created_at');
$this->dropColumn('page', 'updated_at');
$this->addColumn('page', 'created_at', $this->integer());
$this->addColumn('page', 'updated_at', $this->integer());
}
/**
* {@inheritdoc}
*/
public function safeDown()
{
$this->dropColumn('page', 'created_at');
$this->dropColumn('page', 'updated_at');
$this->addColumn('page', 'created_at', $this->timestamp());
$this->addColumn('page', 'updated_at', $this->timestamp());
}
/*
// Use up()/down() to run migration code without a transaction.
public function up()
{
}
public function down()
{
echo "m180831_083021_alter_page_columns cannot be reverted.\n";
return false;
}
*/
}