public function getSql(SqlWalker $sqlWalker)
{
$driver = $sqlWalker->getConnection()->getDriver()->getName();
$translationField = $this->stringField->dispatch($sqlWalker);
$translationsAlias = explode('.', $translationField)[0];
$query = $translationField;
if ($driver == 'pdo_pgsql') {
$query = "string_agg(DISTINCT " . $translationField . "|| ' [' || " . $translationsAlias . ".locale || '] ', '<br>')";
}
return $query;
}