/**
* Check whether a (multi)-column index exists or not on a table
* related to this model
* @param array $fields
* @return bool|array
*/
public static function indexExists(array $fields = array())
{
$tableModifier = self::getTableModifier();
$df = parent::resolveConfiguration();
$check = false;
$indexKey = $df['table'] . '___' . implode('__', $fields);
$indexList = $tableModifier->listIndex();
if (array_key_exists($indexKey, $indexList)) {
$check = $indexList[$indexKey];
}
return $check;
}
