m170402_140555_create_page_lang_table.php
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<?php
use yii\db\Migration;
/**
* Handles the creation of table `page_lang`.
*/
class m170402_140555_create_page_lang_table extends Migration
{
/**
* {@inheritdoc}
*/
public function safeUp()
{
$this->createTable(
'page_lang',
[
'page_id'=> $this->integer(32)->notNull(),
'language_id'=> $this->integer(32)->notNull(),
'title'=> $this->string(255)->notNull(),
'body'=> $this->text()->notNull(),
'alias_id'=> $this->integer(),
'PRIMARY KEY(page_id, language_id)',
]
);
$this->createIndex('page_lang_alias_id','page_lang','alias_id',true);
$this->addForeignKey(
'fk_page_lang_alias_id',
'page_lang',
'alias_id',
'alias',
'id',
'SET NULL',
'CASCADE'
);
$this->addForeignKey(
'fk_page_lang_language_id',
'page_lang',
'language_id',
'language',
'id',
'CASCADE',
'CASCADE'
);
$this->addForeignKey(
'fk_page_lang_page_id',
'page_lang',
'page_id',
'page',
'id',
'CASCADE',
'CASCADE'
);
}
/**
* {@inheritdoc}
*/
public function safeDown()
{
$this->dropForeignKey(
'fk_page_lang_alias_id',
'page_lang'
);
$this->dropForeignKey('fk_page_lang_language_id', 'page_lang');
$this->dropForeignKey('fk_page_lang_page_id', 'page_lang');
$this->dropIndex('page_lang_alias_id', 'page_lang');
$this->dropTable('page_lang');
}
}