IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_IM_MDC_OMCPBILLENTRY' AND KSQL_COL_NAME ='FWORKCENTERID') 
 ALTER TABLE T_IM_MDC_OMCPBILLENTRY ADD (FWORKCENTERID BIGINT DEFAULT 0 NOT NULL );
 IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_IM_MDC_OMCPBILLENTRY' AND KSQL_COL_NAME ='FPRODUCEDEPT') 
 ALTER TABLE T_IM_MDC_OMCPBILLENTRY ADD (FPRODUCEDEPT BIGINT DEFAULT 0 NOT NULL );