IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_IM_MDCOM_MREQOUTBILL' AND KSQL_COL_NAME ='FLASTUPDATEUSERID') 
 ALTER TABLE T_IM_MDCOM_MREQOUTBILL ADD (FLASTUPDATEUSERID BIGINT DEFAULT 0 NOT NULL );
IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_IM_MDCOM_MREQOUTBILL' AND KSQL_COL_NAME ='FLASTUPDATETIME') 
 ALTER TABLE T_IM_MDCOM_MREQOUTBILL ADD (FLASTUPDATETIME DATETIME );