Metacat

       cachedQuerySpec.printSQL(false).equals(qspec.printSQL(false)))

    { //use the cached resultset if the query was the same as the last

      MetacatResultSet mrs = (MetacatResultSet)sess.getAttribute("results");

      //if the query is the same and the session contains the query

      //results, return those instead of rerunning the query

      if(mrs != null)

    try

    {

      //cache the query result and the query

      sess.setAttribute("query", qspec);

      MetacatResultSet mrs = new MetacatResultSet(resultset.toString());

      sess.setAttribute("results", mrs);

     if(returnfield_id < 0){

         logMetacat.warn("Error in getting returnfield id from"

                                  + "xml_returnfield table");

     }

     // get the hashtable containing the docids that already in the

     Hashtable partOfDoclistBackup = new Hashtable();

     _keys = partOfDoclist.keys();

     while (_keys.hasMoreElements()){

         partOfDoclistBackup.put(key, partOfDoclist.get(key));

     }