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dox/IO/vtkPostgreSQLQuery.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkPostgreSQLQuery.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00015 /*-------------------------------------------------------------------------
00016   Copyright 2008 Sandia Corporation.
00017   Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
00018   the U.S. Government retains certain rights in this software.
00019 -------------------------------------------------------------------------*/
00038 #ifndef __vtkPostgreSQLQuery_h
00039 #define __vtkPostgreSQLQuery_h
00040 
00041 #include "vtkSQLQuery.h"
00042 
00043 class vtkPostgreSQLDatabase;
00044 class vtkVariant;
00045 class vtkVariantArray;
00046 class vtkPostgreSQLQueryPrivate;
00047 
00048 class VTK_IO_EXPORT vtkPostgreSQLQuery : public vtkSQLQuery
00049 {
00050 public:
00051   static vtkPostgreSQLQuery* New();
00052   void PrintSelf( ostream& os, vtkIndent indent );
00053   vtkTypeRevisionMacro(vtkPostgreSQLQuery, vtkSQLQuery);
00054 
00057   bool Execute();
00058 
00060   int GetNumberOfFields();
00061 
00063   const char* GetFieldName( int i );
00064 
00067   int GetFieldType( int i );
00068 
00070   bool NextRow();
00071 
00073   bool HasError();
00074 
00076 
00077   bool BeginTransaction();
00078   bool RollbackTransaction();
00079   bool CommitTransaction();
00081 
00082   //BTX
00084 
00085   vtkVariant DataValue( vtkIdType c );
00086   //ETX
00088 
00090   const char* GetLastErrorText();
00091 
00092   //BTX
00094 
00095   virtual vtkStdString EscapeString( vtkStdString s, bool addSurroundingQuotes = true );
00096   //ETX
00098 
00101   int GetNumberOfRows();
00102 
00103 protected:
00104   vtkPostgreSQLQuery();
00105   ~vtkPostgreSQLQuery();
00106 
00107   vtkSetStringMacro(LastErrorText);
00108 
00109   bool IsColumnBinary(int whichColumn);
00110   const char *GetColumnRawData(int whichColumn);
00111 
00112   bool TransactionInProgress;
00113   char *LastErrorText;
00114   int CurrentRow;
00115 
00116   vtkPostgreSQLQueryPrivate *QueryInternals;
00117 
00118   void DeleteQueryResults();
00119 
00120   //BTX
00121   friend class vtkPostgreSQLDatabase;
00122   //ETX
00123 
00124 private:
00125   vtkPostgreSQLQuery( const vtkPostgreSQLQuery& ); // Not implemented.
00126   void operator = ( const vtkPostgreSQLQuery& ); // Not implemented.
00127 };
00128 
00129 #endif // __vtkPostgreSQLQuery_h
00130 

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