---

SQLtoSQLQueryTranslator.cpp

                              /* SQLtoSQLQueryTranslator.cpp */

/*
 *  Implementation of SQLtoSQLQueryTranslator.h
 */
#include "SQLtoSQLQueryTranslator.h"

using namespace LcgInfo;
using namespace std;

/******************  METHODS FOR CLASS SQLtoSQLQueryTranslator  ********************/

SQLtoSQLQueryTranslator::SQLtoSQLQueryTranslator()
: SQLQueryTranslator(){
}

SQLtoSQLQueryTranslator::SQLtoSQLQueryTranslator(string const & pMapFile)
: SQLQueryTranslator(pMapFile){
}

SQLtoSQLQueryTranslator::SQLtoSQLQueryTranslator(LcgConfigBuffer::ConfigBuffer & pMap)
: SQLQueryTranslator(pMap){
}

SQLtoSQLQueryTranslator::~SQLtoSQLQueryTranslator(){
}

vector<string> SQLtoSQLQueryTranslator::translateQuery(string const & pQueryCanonical){

   // Define the necessary variables
   SQLPredicateTree * pred=new SQLtoSQLPredicateTree();
   vector<string> rows;
   set<string> tables;
   string translated;
   vector<string> result;

   // Let our parent's translateSemantic() method do the job
   translateSemantic(pQueryCanonical, *pred, rows, tables);

   // Build the new query to return
   translated="SELECT";
   for(vector<string>::iterator i=rows.begin(); i!=rows.end(); i++)
      translated += (" " + (*i));  //rows to return
   translated += " FROM";
   for(set<string>::iterator i=tables.begin(); i!=tables.end(); i++)
      translated += (" " + (*i));  // from list
   if(!pred->empty())
      translated += " WHERE " + pred->evaluate(result);//where clause (may throw QueryTranslationEx.)

   delete pred;  // The caller is not interested in the tree, let us delete it

   result.push_back(translated);
   return result;

} //end of translateQuery 

---