IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_ER_EXPENSESHAREWAIT' AND KSQL_COL_NAME ='FTHISAPPROVETAX')
ALTER TABLE T_ER_EXPENSESHAREWAIT ADD (FTHISAPPROVETAX DECIMAL(23,10) DEFAULT 0 NOT NULL );