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