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-- the old version of this function used NEW in the delete part when it should
-- use OLD
create or replace function user_history_count()
returns trigger as
$func$
begin
if (TG_OP='INSERT') then
update total_history_count_user set total = total + 1 where user_id = new.user_id;
if not found then
insert into total_history_count_user(user_id, total)
values (
new.user_id,
(select count(1) from history where user_id = new.user_id)
);
end if;
elsif (TG_OP='DELETE') then
update total_history_count_user set total = total - 1 where user_id = old.user_id;
if not found then
insert into total_history_count_user(user_id, total)
values (
old.user_id,
(select count(1) from history where user_id = old.user_id)
);
end if;
end if;
return NEW; -- this is actually ignored for an after trigger, but oh well
end;
$func$
language plpgsql volatile -- pldfplplpflh
cost 100; -- default value
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