IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_ER_APPLYPAYBILL' AND KSQL_COL_NAME ='FNEEDUPLOADINVOICE')
 ALTER TABLE T_ER_APPLYPAYBILL ADD (FNEEDUPLOADINVOICE CHAR(1) DEFAULT '0' NOT NULL );