m180123_234322_create_object_lang_table.php
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<?php
use yii\db\Migration;
/**
* Handles the creation of table `object_lang`.
* Has foreign keys to the tables:
*
* - `object`
* - `language`
* - `alias`
*/
class m180123_234322_create_object_lang_table extends Migration
{
/**
* @inheritdoc
*/
public function up()
{
$this->createTable('object_lang', [
'object_id' => $this->integer()->notNull(),
'language_id' => $this->integer()->notNull(),
'alias_id' => $this->integer()->notNull()->unique(),
'upper_text' => $this->text(),
'about_object_text' => $this->text(),
'object_name' => $this->string(50),
'meta_title' => $this->string(300),
'meta_description' => $this->string(300),
'h1' => $this->string(50),
]);
// creates index for column `object_id`
$this->createIndex(
'idx-object_lang-object_id',
'object_lang',
'object_id'
);
// add foreign key for table `object`
$this->addForeignKey(
'fk-object_lang-object_id',
'object_lang',
'object_id',
'object',
'id',
'CASCADE'
);
// creates index for column `language_id`
$this->createIndex(
'idx-object_lang-language_id',
'object_lang',
'language_id'
);
// add foreign key for table `language`
$this->addForeignKey(
'fk-object_lang-language_id',
'object_lang',
'language_id',
'language',
'id',
'CASCADE'
);
// creates index for column `alias_id`
$this->createIndex(
'idx-object_lang-alias_id',
'object_lang',
'alias_id'
);
// add foreign key for table `alias`
$this->addForeignKey(
'fk-object_lang-alias_id',
'object_lang',
'alias_id',
'alias',
'id',
'CASCADE'
);
// add double primary key
$this->addPrimaryKey(
"pk-object_lang-object_id-language_id",
"object_lang",
[
"object_id",
"language_id",
]
);
}
/**
* @inheritdoc
*/
public function down()
{
// drop double primary key
$this->dropPrimaryKey(
"pk-object_lang-object_id-language_id",
"object_lang"
);
// drops foreign key for table `object`
$this->dropForeignKey(
'fk-object_lang-object_id',
'object_lang'
);
// drops index for column `object_id`
$this->dropIndex(
'idx-object_lang-object_id',
'object_lang'
);
// drops foreign key for table `language`
$this->dropForeignKey(
'fk-object_lang-language_id',
'object_lang'
);
// drops index for column `language_id`
$this->dropIndex(
'idx-object_lang-language_id',
'object_lang'
);
// drops foreign key for table `alias`
$this->dropForeignKey(
'fk-object_lang-alias_id',
'object_lang'
);
// drops index for column `alias_id`
$this->dropIndex(
'idx-object_lang-alias_id',
'object_lang'
);
$this->dropTable('object_lang');
}
}