m170405_000011_variant_to_image.php
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<?php
use yii\db\Migration;
class m170405_000011_variant_to_image extends Migration
{
public function safeUp()
{
$this->createTable(
'variant_to_image',
[
'variant_id' => $this->integer()
->notNull(),
'image_id' => $this->integer()
->notNull(),
]
);
$this->addPrimaryKey(
'variant_to_image_pk',
'variant_to_image',
[
'variant_id',
'image_id',
]
);
$this->addForeignKey(
'variant_to_image_variant_id_to_variant_fk',
'variant_to_image',
'variant_id',
'variant',
'id',
'CASCADE',
'CASCADE'
);
$this->addForeignKey(
'variant_to_image_image_id_to_image_manager_fk',
'variant_to_image',
'image_id',
'ImageManager',
'id',
'CASCADE',
'CASCADE'
);
}
public function safeDown()
{
$this->dropForeignKey(
'variant_to_image_variant_id_to_variant_fk',
'variant_to_image'
);
$this->dropForeignKey(
'variant_to_image_image_id_to_image_manager_fk',
'variant_to_image'
);
$this->dropTable('variant_to_image');
}
}