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8655c93853
* refactor server to allow pluggable db and tracing * clean up * fix descriptions * remove dependencies
36 lines
940 B
PL/PgSQL
36 lines
940 B
PL/PgSQL
-- the old version of this function used NEW in the delete part when it should
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-- use OLD
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create or replace function user_history_count()
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returns trigger as
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$func$
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begin
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if (TG_OP='INSERT') then
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update total_history_count_user set total = total + 1 where user_id = new.user_id;
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if not found then
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insert into total_history_count_user(user_id, total)
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values (
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new.user_id,
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(select count(1) from history where user_id = new.user_id)
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);
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end if;
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elsif (TG_OP='DELETE') then
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update total_history_count_user set total = total - 1 where user_id = old.user_id;
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if not found then
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insert into total_history_count_user(user_id, total)
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values (
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old.user_id,
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(select count(1) from history where user_id = old.user_id)
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);
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end if;
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end if;
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return NEW; -- this is actually ignored for an after trigger, but oh well
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end;
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$func$
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language plpgsql volatile -- pldfplplpflh
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cost 100; -- default value
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