1 -- Copyright © 2021 Damyan Ivanov.
2 -- This file is part of MoLe.
3 -- MoLe is free software: you can distribute it and/or modify it
4 -- under the term of the GNU General Public License as published by
5 -- the Free Software Foundation, either version 3 of the License, or
6 -- (at your opinion), any later version.
8 -- MoLe is distributed in the hope that it will be useful,
9 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
10 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 -- GNU General Public License terms for details.
13 -- You should have received a copy of the GNU General Public License
14 -- along with MoLe. If not, see <https://www.gnu.org/licenses/>.
16 -- migrate from revision 61 to revision 62
18 -- pragmas need to be outside of transaction control
19 -- foreign_keys is needed so that foreign key constraints are redirected
22 pragma foreign_keys = on;
26 delete from currencies
27 where id not in (select min(id) from currencies group by name);
29 create unique index currency_name_idx on currencies(name);