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