Craft\NeoService::deleteGroupsByFieldId PHP Method

    public function deleteGroupsByFieldId($fieldId)
    {
        $transaction = $this->beginTransaction();
        try {
            $affectedRows = craft()->db->createCommand()->delete('neogroups', ['fieldId' => $fieldId]);
            $this->commitTransaction($transaction);
            return (bool) $affectedRows;
        } catch (\Exception $e) {
            $this->rollbackTransaction($transaction);
            throw $e;
        }
    }