helper script for transition to multiple variants

add-variants.sql

@@ -0,0 +1,9 @@
+
+insert into variant(submission, name) select id, 'out' from submission;
+
+update out
+set variant=subquery.variant_id
+from (select O.id as out_id, V.id as variant_id
+      from out as O, variant as V, submission as S
+      where V.submission = S.id and O.submission = S.id) AS subquery
+where out.id = subquery.out_id;