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31 lines
878 B
MySQL
31 lines
878 B
MySQL
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-- We do not need to run the trigger on deletes, as the only time we are deleting history is when the user
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-- has already been deleted
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-- This actually slows down deleting all the history a good bit!
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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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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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create or replace trigger tg_user_history_count
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after insert on history
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for each row
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execute procedure user_history_count();
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