add unique constraint

2024-10-23 23:01:09 +03:00 · 2024-10-23 23:01:09 +03:00 · 1c34e1155c
parent f41c077d86
commit 1c34e1155c
1 changed files with 13 additions and 10 deletions
--- a/migrations/20241022-cleanup-videos.sql
+++ b/migrations/20241022-cleanup-videos.sql
@ -16,6 +16,9 @@ CREATE SEQUENCE public.media_usages_id_seq
 	NO MAXVALUE
 	CACHE 1;

+ALTER TABLE ONLY public.media_usages
+	ADD CONSTRAINT media_usages_unique UNIQUE NULLS NOT DISTINCT (filename, post_id, comment_id);
+
 ALTER SEQUENCE public.media_usages_id_seq OWNED BY public.media_usages.id;

 ALTER TABLE ONLY public.media_usages ALTER COLUMN id SET DEFAULT nextval('public.media_usages_id_seq'::regclass);