-- Copyright (C) 2026  Eduard Wisch  <data@data-it-solution.de>
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.

ALTER TABLE llx_mahnung_stufe ADD UNIQUE INDEX uk_mahnung_stufe (entity, stufe);