DROP VIEW "cancion_principal";
--> statement-breakpoint
ALTER TABLE "cancion" DROP CONSTRAINT "cancion_audio_id_medio_id_fk";
--> statement-breakpoint
ALTER TABLE "cancion" DROP COLUMN "audio_id";
--> statement-breakpoint
CREATE VIEW "cancion_principal" AS
  SELECT * FROM "cancion" WHERE "version_de_id" IS NULL;