RID IndexScan::next() {
RID res(-1,-1);
if(!canDo)
return res;
switch(compOp_){
case NO_OP:
res = NoSearch();
break;
case EQ_OP:
res = EqSearch();
break;
case LT_OP:
res = LtSearch();
break;
case GT_OP:
res = GtSearch();
break;
case LE_OP:
res = LeSearch();
break;
case GE_OP:
res = GeSearch();
break;
case NE_OP:
res = NeSearch();
break;
default:
break;
}
return res;
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
QTextCodec *utfcodec = QTextCodec::codecForName("UTF-8");
QTextCodec::setCodecForTr(utfcodec);
QTextCodec::setCodecForCStrings(utfcodec);
base = QSqlDatabase::addDatabase("QSQLITE"); //указываем тип базы
ui->statusBar->addWidget(&stBar);
connect(ui->tableView, SIGNAL(clicked(QModelIndex)), SLOT(TableRead(QModelIndex)));
connect(ui->ButtonSave, SIGNAL(clicked()), SLOT(SaveBaseAll()));
connect(ui->ButtonDelete, SIGNAL(clicked()), SLOT(DeleteRecord()));
connect(ui->ButtonSearch, SIGNAL(clicked()), SLOT(Search()));
connect(ui->ButtonDeleteFilter, SIGNAL(clicked()), SLOT(NoSearch()));
connect(ui->ActionTruncate, SIGNAL(triggered()), SLOT(Truncate()));
connect(ui->ButtonAddRecord, SIGNAL(clicked()), SLOT(AddRecord()));
connect(ui->ActionNewBackup, SIGNAL(triggered()), SLOT(SaveBackup()));
connect(ui->ActionLoadBackup, SIGNAL(triggered()), SLOT(LoadBackup()));
connect(ui->AboutBase, SIGNAL(triggered()), SLOT(AboutBase()));
connect(ui->ActionConvert, SIGNAL(triggered()), SLOT(ConvertFromOperaNotes()));
connect(ui->ActionOpenBase, SIGNAL(triggered()), SLOT(OpenBase()));
setAcceptDrops(true);
}