-- Modify "Infra" table
ALTER TABLE "public"."Infra" DROP CONSTRAINT "fk_Infra_Childrens", DROP CONSTRAINT "fk_Infra_Item", DROP COLUMN "Parent_Id", ADD CONSTRAINT "fk_Infra_Childrens" FOREIGN KEY ("Parent_Code") REFERENCES "public"."Infra" ("Code") ON UPDATE NO ACTION ON DELETE NO ACTION, ADD CONSTRAINT "fk_Infra_Item" FOREIGN KEY ("Item_Code") REFERENCES "public"."Item" ("Code") ON UPDATE NO ACTION ON DELETE NO ACTION;