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supabase/migrations/20260807002000_reporting_view_fixes.sql

@@ -19,6 +19,21 @@
 -- disciplinary_history, custody_agreement and primary_physician, which they
 -- have no business reading. So the name is resolved on its own instead, and
 -- student row access is left exactly as it was.
+-- True for callers that bypass RLS outright: the service role used by
+-- server-side code, and a direct superuser psql session (role unset).
+--
+-- This MUST read the `role` GUC rather than current_user. Inside a
+-- SECURITY DEFINER function current_user is the function's owner, so
+-- pg_has_role(current_user, 'service_role', ...) is true for every caller and
+-- silently turns an entitlement check into a no-op.
+CREATE OR REPLACE FUNCTION public.is_service_context()
+RETURNS BOOLEAN
+LANGUAGE sql STABLE AS $$
+  SELECT COALESCE(current_setting('role', true), 'none') IN ('service_role', 'none');
+$$;
+
+GRANT EXECUTE ON FUNCTION public.is_service_context() TO authenticated;
+
 CREATE OR REPLACE FUNCTION public.student_display_name(_student UUID)
 RETURNS TEXT
 LANGUAGE sql STABLE SECURITY DEFINER SET search_path = public AS $$