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



IF NOT EXISTS (SELECT 1 FROM KSQL_USERCOLUMNS WHERE KSQL_COL_TABNAME = 'T_ER_CONTRACTBILL' AND KSQL_COL_NAME ='FPAYBYRATA')
ALTER TABLE T_ER_CONTRACTBILL ADD (FPAYBYRATA VARCHAR(10) DEFAULT ' ' NOT NULL);