--- /dev/null
+-- Copyright © 2021 Damyan Ivanov.
+-- This file is part of MoLe.
+-- MoLe is free software: you can distribute it and/or modify it
+-- under the term of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your opinion), any later version.
+--
+-- MoLe is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+-- GNU General Public License terms for details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with MoLe. If not, see <https://www.gnu.org/licenses/>.
+
+-- migrate from revision 58 to revision 59
+
+-- pragmas need to be outside of transaction control
+-- foreign_keys is needed so that foreign key constraints are redirected
+
+commit transaction;
+pragma foreign_keys = on;
+
+begin transaction;
+
+-- drop description_history, not used any more
+drop table description_history;