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remove performance-problematic and buggy duplicate site aggregates (#3732)

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phiresky 2023-07-27 23:35:53 +02:00 committed by GitHub
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commit 1253a2a0d5
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11
migrations/2023-07-26-222023_site-aggregates-one/down.sql Normal file
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create or replace function site_aggregates_site()
returns trigger language plpgsql
as $$
begin
IF (TG_OP = 'INSERT') THEN
insert into site_aggregates (site_id) values (NEW.id);
ELSIF (TG_OP = 'DELETE') THEN
delete from site_aggregates where site_id = OLD.id;
END IF;
return null;
end $$;

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migrations/2023-07-26-222023_site-aggregates-one/up.sql Normal file
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create or replace function site_aggregates_site()
returns trigger language plpgsql
as $$
begin
-- we only ever want to have a single value in site_aggregate because the site_aggregate triggers update all rows in that table.
-- a cleaner check would be to insert it for the local_site but that would break assumptions at least in the tests
IF (TG_OP = 'INSERT') AND NOT EXISTS (select id from site_aggregates limit 1) THEN
insert into site_aggregates (site_id) values (NEW.id);
ELSIF (TG_OP = 'DELETE') THEN
delete from site_aggregates where site_id = OLD.id;
END IF;
return null;
end $$;
delete from site_aggregates a where not exists (select id from local_site s where s.site_id = a.site_id);