List<Object> paramList = new ArrayList<Object>();
paramList.add(bizkey);
String bizObjName = StringUtil.getString(ExpressionMgmt.execute("Fix_BizName", executionContext));
String bizField = StringUtil.getString(ExpressionMgmt.execute("Fix_BizKeyFile", executionContext));
SqlCommand sqlCommand = new SqlCommand(Context.getDbConnection(dataBaseId));
List<Map<String, Object>> dataObjList = sqlCommand.queryForList("SELECT " + field + " FROM " + bizObjName + " WHERE " + bizField + "=?", paramList);
if (dataObjList.size() == 0) {
return null;
} else {
return dataObjList.get(0).get(field);
}