51 lines
1.8 KiB
PL/PgSQL
51 lines
1.8 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 language sql
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as $$
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select 'changeme_' || string_agg (substr('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789', ceil (random() * 62)::integer, 1), '')
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from generate_series(1, 20)
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$$;
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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 min(id) as id, actor_id
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from community
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group by actor_id having count(*) > 1
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) b
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where 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 min(id) as id, actor_id
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from user_
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group by actor_id having count(*) > 1
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) b
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where 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 community
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set actor_id = generate_unique_changeme()
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where actor_id = 'http://fake.com';
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update user_
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set actor_id = generate_unique_changeme()
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where actor_id = 'http://fake.com';
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-- Add the unique indexes
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alter table community alter column actor_id set not null;
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alter table community alter column actor_id set default generate_unique_changeme();
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alter table user_ alter column actor_id set not null;
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alter table user_ 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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