From 8655c93853506acf05f6ae4e58bfc2c6198be254 Mon Sep 17 00:00:00 2001 From: Conrad Ludgate Date: Mon, 12 Jun 2023 09:04:35 +0100 Subject: refactor server to allow pluggable db and tracing (#1036) * refactor server to allow pluggable db and tracing * clean up * fix descriptions * remove dependencies --- .../20220419082412_add_count_trigger.sql | 51 ---------------------- 1 file changed, 51 deletions(-) delete mode 100644 atuin-server/migrations/20220419082412_add_count_trigger.sql (limited to 'atuin-server/migrations/20220419082412_add_count_trigger.sql') diff --git a/atuin-server/migrations/20220419082412_add_count_trigger.sql b/atuin-server/migrations/20220419082412_add_count_trigger.sql deleted file mode 100644 index dd1afa88..00000000 --- a/atuin-server/migrations/20220419082412_add_count_trigger.sql +++ /dev/null @@ -1,51 +0,0 @@ --- Prior to this, the count endpoint was super naive and just ran COUNT(1). --- This is slow asf. Now that we have an amount of actual traffic, --- stop doing that! --- This basically maintains a count, so we can read ONE row, instead of ALL the --- rows. Much better. --- Future optimisation could use some sort of cache so we don't even need to hit --- postgres at all. - -create table total_history_count_user( - id bigserial primary key, - user_id bigserial, - total integer -- try and avoid using keywords - hence total, not count -); - -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 = 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; - 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 - -create trigger tg_user_history_count - after insert or delete on history - for each row - execute procedure user_history_count(); -- cgit v1.3.1