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