vtkPostgreSQLQuery.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkPostgreSQLQuery.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 vtkPostgreSQLQuery_h
#define vtkPostgreSQLQuery_h
 
#include "vtkIOPostgreSQLModule.h" // For export macro
#include "vtkSQLQuery.h"
 
class vtkPostgreSQLDatabase;
class vtkVariant;
class vtkVariantArray;
class vtkPostgreSQLQueryPrivate;
 
class VTKIOPOSTGRESQL_EXPORT vtkPostgreSQLQuery : public vtkSQLQuery
{
public:
  static vtkPostgreSQLQuery* New();
  void PrintSelf( ostream& os, vtkIndent indent );
  vtkTypeMacro(vtkPostgreSQLQuery, vtkSQLQuery);
 
  bool Execute();
 
  int GetNumberOfFields();
 
  const char* GetFieldName( int i );
 
  int GetFieldType( int i );
 
  bool NextRow();
 
  bool HasError();
 
 
  bool BeginTransaction();
  bool RollbackTransaction();
  bool CommitTransaction();
 
  vtkVariant DataValue( vtkIdType c );
 
  const char* GetLastErrorText();
 
  virtual vtkStdString EscapeString( vtkStdString s, bool addSurroundingQuotes = true );
 
  int GetNumberOfRows();
 
protected:
  vtkPostgreSQLQuery();
  ~vtkPostgreSQLQuery();
 
  vtkSetStringMacro(LastErrorText);
 
  bool IsColumnBinary(int whichColumn);
  const char *GetColumnRawData(int whichColumn);
 
  bool TransactionInProgress;
  char *LastErrorText;
  int CurrentRow;
 
  vtkPostgreSQLQueryPrivate *QueryInternals;
 
  void DeleteQueryResults();
 
  //BTX
  friend class vtkPostgreSQLDatabase;
  //ETX
 
private:
  vtkPostgreSQLQuery( const vtkPostgreSQLQuery& ); // Not implemented.
  void operator = ( const vtkPostgreSQLQuery& ); // Not implemented.
};
 
#endif // vtkPostgreSQLQuery_h