BEGIN;
CREATE TABLE IF NOT EXISTS "pk_salaries" (
	"yearID"	NUMERIC,
	"teamID"	TEXT,
	"lgID"	TEXT,
	"playerID"	TEXT,
	"salary"	NUMERIC,
	PRIMARY KEY("yearID","playerID","teamID"),
	foreign key("playerID") references "people"("playerID"),
	foreign key("teamID") references "teams"("teamID")
);

INSERT INTO "pk_salaries" SELECT DISTINCT * FROM "salaries";
DROP TABLE "salaries";
ALTER TABLE "pk_salaries" RENAME TO "salaries";
COMMIT;