Barcode database refactoring

[ArktinenKarpalo]

It would make more sense to have barcode column in RVITEM, and then refer to RVITEM from PRICE.

UPDATE "RVITEM"
SET barcode=lol.barcode
FROM (SELECT itemid,barcode FROM "PRICE" GROUP BY itemid,barcode) as lol
WHERE "RVITEM".itemid=lol.itemid;