IF NOT EXISTS (SELECT * FROM SYS.COLUMNS WHERE NAME = 'FLAG_PROD_ADD' AND OBJECT_ID = OBJECT_ID('CG_FND_VERBA_USO_PROD'))
	ALTER TABLE CG_FND_VERBA_USO_PROD ADD FLAG_PROD_ADD INT NOT NULL CONSTRAINT DF_CG_FND_VERBA_USO_PROD_FLAG_PROD_ADD DEFAULT 0