flowxcode
/ archive-requirements-history.trigger.sql
Created
October 29, 2025 18:22
plpgsql triggers
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| -- DROP FUNCTION public.archive_requirements_history(); | |
| CREATE OR REPLACE FUNCTION public.archive_requirements_history() | |
| RETURNS trigger | |
| LANGUAGE plpgsql | |
| AS $function$ | |
| BEGIN | |
| -- Archive old row to history only if version has changed | |
| IF OLD.version <> NEW.version THEN | |
| INSERT INTO public.requirements_history ( |