m170619_124018_create_index_alias.php
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<?php
use yii\db\Migration;
class m170619_124018_create_index_alias extends Migration
{
public function safeUp()
{
$this->createIndex(
'alias_route_language_id_uix',
'alias',
[
'route',
'language_id',
],
true
);
}
public function safeDown()
{
$this->dropIndex(
'alias_route_language_id_uix',
'alias'
);
}
/*
// Use up()/down() to run migration code without a transaction.
public function up()
{
}
public function down()
{
echo "m170619_124018_create_index_alias cannot be reverted.\n";
return false;
}
*/
}