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