--- /dev/null
+-- Copyright © 2020 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/>.
+
+pragma foreign_keys=off;
+
+create table currencies_new(id integer not null primary key, name varchar not null, position varchar not null, has_gap integer not null);
+insert into currencies_new(id, name, position, has_gap) select id, name, position, has_gap from currencies;
+
+drop table currencies;
+
+alter table currencies_new rename to currencies;