vtkQtSQLQuery.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkQtSQLQuery.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef vtkQtSQLQuery_h
#define vtkQtSQLQuery_h

// Check for Qt SQL module before defining this class.
#include <qglobal.h> // Needed to check if SQL is available
#if (QT_EDITION & QT_MODULE_SQL)

#include "vtkGUISupportQtSQLModule.h" // For export macro
#include "vtkSQLQuery.h"

class vtkVariant;
class vtkQtSQLQueryInternals;

class VTKGUISUPPORTQTSQL_EXPORT vtkQtSQLQuery : public vtkSQLQuery
{
public:
  static vtkQtSQLQuery* New();
  vtkTypeMacro(vtkQtSQLQuery, vtkSQLQuery);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  bool Execute() override;

  int GetNumberOfFields() override;

  const char* GetFieldName(int col) override;

  int GetFieldType(int col) override;

  bool NextRow() override;

  vtkVariant DataValue(vtkIdType c) override;

  bool HasError() override;

  const char* GetLastErrorText() override;

protected:
  vtkQtSQLQuery();
  ~vtkQtSQLQuery();

  vtkQtSQLQueryInternals* Internals;
  friend class vtkQtSQLDatabase;

private:

  // Using the convenience function internally
  vtkSetStringMacro(LastErrorText);

  char* LastErrorText;

  vtkQtSQLQuery(const vtkQtSQLQuery &) = delete;
  void operator=(const vtkQtSQLQuery &) = delete;
};

#endif // (QT_EDITION & QT_MODULE_SQL)
#endif // vtkQtSQLQuery_h