<?php use yii\db\Migration; use yii\db\Schema; class m201230_102708_add_option_export_csv extends Migration { public function safeUp() { $this->addColumn('producer', 'option_csv_export_by_piece', Schema::TYPE_BOOLEAN.' DEFAULT 0'); } public function safeDown() { $this->dropColumn('producer', 'option_csv_export_by_piece'); return false; } }