gongxue-base/supabase/migrations/202606290019_daily_practice_zip_export.sql

alter table public.content_export_jobs
  drop constraint if exists content_export_jobs_format_check;

alter table public.content_export_jobs
  add constraint content_export_jobs_format_check
  check (format in ('json', 'paper_json', 'print_payload', 'pdf', 'docx', 'daily_practice_zip'));