/**
* @inheritdoc
*/
public function down()
{
$this->dropTable(Language::tableName());
}
/**
* Relation to model translation
*
* @param $locale
* @return ActiveQuery
*/
public function getTranslation($locale = null)
{
$locale = $locale ?: Yii::$app->language;
return $this->owner->hasOne($this->translationModelName, [$this->translationOwnerField => $this->ownerPrimaryKey])->from(['content' => call_user_func([$this->translationModelName, 'tableName'])])->innerJoin(['lang' => Language::tableName()])->where('lang.locale = :locale', [':locale' => $locale])->andWhere('content.' . $this->owner->getDb()->quoteColumnName($this->languageField) . ' = lang.id');
}
