hibernate出了点莫名其妙的有关问题，请问了

public List<Temprelation> findMaxCount(String ASId){        log.debug("find the Max Count Object "+ASId+" !");        String queryString = " from Temprelation t where t.id.songinfo.sid = "+ASId+" order by t.count desc";        Query queryObject = null;        try {                queryObject = getSession().createQuery(queryString);            } catch (RuntimeException e) {            log.error("find the Max Count Object "+ASId+" is failed!",e);            throw e;        }        System.out.println("size= "+queryObject.list().size());        List<Temprelation> temp  = queryObject.list();        List<Temprelation> list;        if(temp.size()>=2)            list = temp.subList(0,2);        else            list = temp;        return list;        }

Exception in thread "main" org.hibernate.exception.SQLGrammarException: could not execute query    at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:90)    at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)    at org.hibernate.loader.Loader.doList(Loader.java:2235)    at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2129)    at org.hibernate.loader.Loader.list(Loader.java:2124)    at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:401)    at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:363)    at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:196)    at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1149)    at org.hibernate.impl.QueryImpl.list(QueryImpl.java:102)    at HIBER.TemprelationDAO.findMaxCount(TemprelationDAO.java:77)    at MySessionClass.TotalInfoBiz.GetMAXRelation(TotalInfoBiz.java:67)    at MySessionClass.test2.main(test2.java:26)Caused by: com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: Unknown column 'fddfd' in 'where clause'    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:936)    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2985)    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1631)    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723)    at com.mysql.jdbc.Connection.execSQL(Connection.java:3283)    at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1332)    at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1467)    at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)    at org.hibernate.loader.Loader.getResultSet(Loader.java:1812)    at org.hibernate.loader.Loader.doQuery(Loader.java:697)    at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259)    at org.hibernate.loader.Loader.doList(Loader.java:2232)    ... 10 more