/**
* @param $onTableAliasName
* @return null|string
*/
protected function addMixedInOrCastedUpLeftJoinsForAttribute($onTableAliasName)
{
assert('is_string($onTableAliasName)');
if ($this->modelAttributeToDataProviderAdapter->isAttributeMixedIn()) {
return $this->addLeftJoinsForAttributeThatIsMixedIn($onTableAliasName);
} else {
return $this->addLeftJoinsForAttributeThatIsCastedUp($onTableAliasName);
}
}