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