lemmy/migrations/2022-09-08-102358_site-and-.../up.sql

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CREATE TABLE site_language (
id serial PRIMARY KEY,
site_id int REFERENCES site ON UPDATE CASCADE ON DELETE CASCADE NOT NULL,
language_id int REFERENCES
LANGUAGE ON
UPDATE CASCADE ON DELETE CASCADE NOT NULL,
UNIQUE (site_id, language_id)
);
CREATE TABLE community_language (
id serial PRIMARY KEY,
community_id int REFERENCES community ON UPDATE CASCADE ON DELETE CASCADE NOT NULL,
language_id int REFERENCES
LANGUAGE ON
UPDATE CASCADE ON DELETE CASCADE NOT NULL,
UNIQUE (community_id, language_id)
);
-- update existing users, sites and communities to have all languages enabled
DO $$
DECLARE
xid integer;
BEGIN
FOR xid IN
SELECT
id
FROM
local_user LOOP
INSERT INTO local_user_language (local_user_id, language_id) (
SELECT
xid,
language.id AS lid
FROM
LANGUAGE);
END LOOP;
FOR xid IN
SELECT
id
FROM
site LOOP
INSERT INTO site_language (site_id, language_id) (
SELECT
xid,
language.id AS lid
FROM
LANGUAGE);
END LOOP;
FOR xid IN
SELECT
id
FROM
community LOOP
INSERT INTO community_language (community_id, language_id) (
SELECT
xid,
language.id AS lid
FROM
LANGUAGE);
END LOOP;
END;
$$;