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