mirror of https://github.com/LemmyNet/lemmy.git
79 lines
1.9 KiB
PL/PgSQL
79 lines
1.9 KiB
PL/PgSQL
-- Following this issue : https://github.com/LemmyNet/lemmy/issues/957
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-- Creating a unique changeme actor_id
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CREATE OR REPLACE FUNCTION generate_unique_changeme ()
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RETURNS text
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LANGUAGE sql
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AS $$
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SELECT
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'changeme_' || string_agg(substr('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789', ceil(random() * 62)::integer, 1), '')
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FROM
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generate_series(1, 20)
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$$;
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-- Need to delete the possible community and user dupes for ones that don't start with the fake one
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-- A few test inserts, to make sure this removes later dupes
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-- insert into community (name, title, category_id, creator_id) values ('testcom', 'another testcom', 1, 2);
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DELETE FROM community a USING (
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SELECT
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min(id) AS id,
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actor_id
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FROM
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community
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GROUP BY
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actor_id
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HAVING
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count(*) > 1) b
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WHERE
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a.actor_id = b.actor_id
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AND a.id <> b.id;
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DELETE FROM user_ a USING (
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SELECT
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min(id) AS id,
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actor_id
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FROM
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user_
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GROUP BY
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actor_id
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HAVING
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count(*) > 1) b
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WHERE
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a.actor_id = b.actor_id
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AND a.id <> b.id;
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-- Replacing the current default on the columns, to the unique one
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UPDATE
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community
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SET
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actor_id = generate_unique_changeme ()
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WHERE
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actor_id = 'http://fake.com';
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UPDATE
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user_
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SET
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actor_id = generate_unique_changeme ()
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WHERE
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actor_id = 'http://fake.com';
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-- Add the unique indexes
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ALTER TABLE community
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ALTER COLUMN actor_id SET NOT NULL;
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ALTER TABLE community
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ALTER COLUMN actor_id SET DEFAULT generate_unique_changeme ();
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ALTER TABLE user_
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ALTER COLUMN actor_id SET NOT NULL;
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ALTER TABLE user_
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ALTER COLUMN actor_id SET DEFAULT generate_unique_changeme ();
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-- Add lowercase uniqueness too
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DROP INDEX idx_user_name_lower_actor_id;
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CREATE UNIQUE INDEX idx_user_lower_actor_id ON user_ (lower(actor_id));
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CREATE UNIQUE INDEX idx_community_lower_actor_id ON community (lower(actor_id));
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