/**
* Sets the alias for this table
* @param string $alias Alias for this table
* @param zibo\library\orm\model\ModelMeta $meta Meta of the model of the query, to check if the alias is not a field name
* @return null
*/
private function setAlias($alias, ModelMeta $meta = null)
{
if (String::isEmpty($alias)) {
throw new OrmException('Provided alias is empty');
}
if ($meta && $meta->hasField($alias)) {
throw new OrmException('Provided alias is a field name of model ' . $meta->getName());
}
$this->alias = $alias;
}
