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Diffstat (limited to 'crates/atuin-server-postgres/migrations/20230515221038_trigger-delete-only.sql')
-rw-r--r-- | crates/atuin-server-postgres/migrations/20230515221038_trigger-delete-only.sql | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/crates/atuin-server-postgres/migrations/20230515221038_trigger-delete-only.sql b/crates/atuin-server-postgres/migrations/20230515221038_trigger-delete-only.sql new file mode 100644 index 00000000..3d0bba52 --- /dev/null +++ b/crates/atuin-server-postgres/migrations/20230515221038_trigger-delete-only.sql @@ -0,0 +1,30 @@ +-- We do not need to run the trigger on deletes, as the only time we are deleting history is when the user +-- has already been deleted +-- This actually slows down deleting all the history a good bit! + +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; + 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 or replace trigger tg_user_history_count + after insert on history + for each row + execute procedure user_history_count(); |