File size: 364 Bytes
8fb90d0 | 1 2 3 4 5 6 | -- A quiz hand-in's 4-digit code (app/answer_routes.py): the same number on every request of one sitting, shown to the
-- student and on the teacher's AI queue, so the two can talk about the same hand-in. Additive; empty for other requests.
begin;
alter table public.math_ai_requests add column code text not null default '' check (code ~ '^[0-9]{0,4}$');
commit;
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