用Qt转储MySQL数据库

void Managment::dbExportTriggered()
 {
    save = QFileDialog::getSaveFileName(this, trUtf8(\"Export db\"),
                              QDir::currentPath() + \"Backup/\",
                              trUtf8(\"Dumped database (*.sql)\"));

    sqlQuery = \"SELECT * INTO OUTFILE \'\" + save + \".sql\' FROM Users, Data\";
    //QMessageBox::critical(0, trUtf8(\"query dump\"), QString::number(query.exec(sqlQuery)));
    query.exec(sqlQuery);
 }

sqlQuery = \"SELECT * INTO OUTFILE \" + save + \" FROM Users, Data\";

INTO OUTFILE

mysqldump

..
if (allDatabases->isChecked()) {
    arguments << \"--all-databases\";
  } else {
    arguments << \"--databases\";
    foreach(QListWidgetItem *item, databasesList->selectedItems())
      arguments << item->text();
  }
  proc->setReadChannel(QProcess::StandardOutput);
  QApplication::setOverrideCursor(Qt::WaitCursor);
  proc->start(\"mysqldump\", arguments);
..

SELECT ... INTO OUTFILE

mysql -e

SELECT * INTO OUTFILE /path/to/somewhere FROM Users, Data

SELECT * INTO OUTFILE \'/path/to/somewhere\' FROM Users, Data

file_name