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109 lines
2.8 KiB
C++
109 lines
2.8 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkQtSQLQuery.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/*-------------------------------------------------------------------------
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Copyright 2008 Sandia Corporation.
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Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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the U.S. Government retains certain rights in this software.
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-------------------------------------------------------------------------*/
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/**
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* @class vtkQtSQLQuery
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* @brief query class associated with vtkQtSQLDatabase
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*
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*
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* Implements vtkSQLQuery using an underlying QSQLQuery.
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*/
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#ifndef vtkQtSQLQuery_h
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#define vtkQtSQLQuery_h
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// Check for Qt SQL module before defining this class.
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#include <qglobal.h> // Needed to check if SQL is available
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#if (QT_EDITION & QT_MODULE_SQL)
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#include "vtkGUISupportQtSQLModule.h" // For export macro
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#include "vtkSQLQuery.h"
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class vtkVariant;
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class vtkQtSQLQueryInternals;
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class VTKGUISUPPORTQTSQL_EXPORT vtkQtSQLQuery : public vtkSQLQuery
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{
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public:
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static vtkQtSQLQuery* New();
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vtkTypeMacro(vtkQtSQLQuery, vtkSQLQuery);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Execute the query. This must be performed
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* before any field name or data access functions
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* are used.
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*/
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bool Execute() override;
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/**
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* The number of fields in the query result.
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*/
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int GetNumberOfFields() override;
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/**
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* Return the name of the specified query field.
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*/
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const char* GetFieldName(int col) override;
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/**
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* Return the type of the specified query field, as defined in vtkType.h.
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*/
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int GetFieldType(int col) override;
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/**
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* Advance row, return false if past end.
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*/
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bool NextRow() override;
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/**
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* Return data in current row, field c
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*/
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vtkVariant DataValue(vtkIdType c) override;
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/**
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* Returns true if an error is set, otherwise false.
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*/
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bool HasError() override;
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/**
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* Get the last error text from the query
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*/
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const char* GetLastErrorText() override;
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protected:
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vtkQtSQLQuery();
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~vtkQtSQLQuery() override;
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vtkQtSQLQueryInternals* Internals;
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friend class vtkQtSQLDatabase;
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private:
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// Using the convenience function internally
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vtkSetStringMacro(LastErrorText);
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char* LastErrorText;
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vtkQtSQLQuery(const vtkQtSQLQuery&) = delete;
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void operator=(const vtkQtSQLQuery&) = delete;
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};
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#endif // (QT_EDITION & QT_MODULE_SQL)
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#endif // vtkQtSQLQuery_h
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