You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
3 weeks ago
|
/*=========================================================================
|
||
|
|
|
||
|
|
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.
|
||
|
|
-------------------------------------------------------------------------*/
|
||
|
|
/**
|
||
|
|
* @class vtkQtSQLQuery
|
||
|
|
* @brief query class associated with vtkQtSQLDatabase
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Implements vtkSQLQuery using an underlying QSQLQuery.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Execute the query. This must be performed
|
||
|
|
* before any field name or data access functions
|
||
|
|
* are used.
|
||
|
|
*/
|
||
|
|
bool Execute() override;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The number of fields in the query result.
|
||
|
|
*/
|
||
|
|
int GetNumberOfFields() override;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return the name of the specified query field.
|
||
|
|
*/
|
||
|
|
const char* GetFieldName(int col) override;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return the type of the specified query field, as defined in vtkType.h.
|
||
|
|
*/
|
||
|
|
int GetFieldType(int col) override;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Advance row, return false if past end.
|
||
|
|
*/
|
||
|
|
bool NextRow() override;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return data in current row, field c
|
||
|
|
*/
|
||
|
|
vtkVariant DataValue(vtkIdType c) override;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns true if an error is set, otherwise false.
|
||
|
|
*/
|
||
|
|
bool HasError() override;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the last error text from the query
|
||
|
|
*/
|
||
|
|
const char* GetLastErrorText() override;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
vtkQtSQLQuery();
|
||
|
|
~vtkQtSQLQuery() override;
|
||
|
|
|
||
|
|
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
|