Exemple #1
0
void TsSqlDatabaseThread::test()
{
   IBPP::Database db = IBPP::DatabaseFactory(
      "",
      "melchior:/var/firebird/test.fdb",
      "sysdba",
      "5735");
   db->Connect();
   IBPP::Transaction tr = IBPP::TransactionFactory(db);
   tr->Start();

   IBPP::Statement st = IBPP::StatementFactory(
      db, 
      tr, 
      "select * from test2");
   st->Execute();
   if (st->Fetch())
   {
      int cols = st->Columns();
      for(int i = 1; i <= cols; ++i)
      {
         TsSqlVariant variant;
         setFromStatement(variant, &st, i);
         qDebug() << variant.asString();
      }
   }
}
int main()
{

    try
    {

        //  ------------------------------------------------------------

        //          L E C T U R A

        //  ------------------------------------------------------------

        try
        {
            IBPP::Database db = IBPP::DatabaseFactory("127.0.0.1", "testing", "SYSDBA", "pruebas");
            db->Connect();
            IBPP::Transaction tr = IBPP::TransactionFactory(db);
            tr->Start();

                int  id=0;
                std::string idServidor;
                mtk::nullable<mtk::DateTime> dt;

                IBPP::Statement st = IBPP::StatementFactory(db, tr);
                st->Execute("SELECT FIRST 10 * FROM ALARMS");
                while (st->Fetch())
                {
                    st->Get(1, id);                         //  acceso por índice
                    cout << "id          : " << id << std::endl;

                    st->Get("SOURCE", idServidor);     //  acceso por nombre
                    cout << "SOURCE  : " << idServidor << endl;


                    st->Get(st->ColumnNum("DB_TIME"), dt);   //   acceso por (índice -> nombre)
                    cout << "DB_TIME  : " << dt.Get() << endl;


                    cout << endl;
                }


            tr->Commit();
            db->Disconnect();
        }
        MTK_CATCH_RETHROW("main", "reading error")
            //  también se pueden hacer lecturas con parámetros






        //  ------------------------------------------------------------

        //          E S C R I T U R A

        //  ------------------------------------------------------------


        try
        {
            IBPP::Database db = IBPP::DatabaseFactory("127.0.0.1", "testing", "SYSDBA", "pruebas");
            db->Connect();
            IBPP::Transaction tr = IBPP::TransactionFactory(db);
            tr->Start();

                IBPP::Statement st = IBPP::StatementFactory(db, tr);
                st->Prepare(
                            "INSERT INTO ALARMS (DB_TIME, SOURCE, DESCRIPTION)"
                            "VALUES (?, ?, ?)"
               );
               st->Set(1, mtk::dtNowLocal());
               st->Set(2, MTK_SS("sc"<< mtk::dtNowLocal()));
               st->Set(3, MTK_SS("description" << mtk::dtNowLocal()));
               st->Execute();

            tr->Commit();
            db->Disconnect();
        }
        MTK_CATCH_RETHROW("main", "reading error")

        #include "support/release_on_exit.hpp"
        return 0;

    }
    MTK_CATCH_CALLFUNCION(std::cout <<, "main", "error")
    #include "support/release_on_exit.hpp"
    return -1;
}