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/* -*- Mode: C++; -*- */
/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkODBCQuery.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 vtkODBCQuery_h
#define vtkODBCQuery_h

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

class vtkODBCDatabase;
class vtkVariant;
class vtkVariantArray;
class vtkODBCInternals;
class vtkODBCQueryInternals;

class VTKIOODBC_EXPORT vtkODBCQuery : public vtkSQLQuery
{
//BTX
  friend class vtkODBCDatabase;
//ETX

public:
  vtkTypeMacro(vtkODBCQuery, vtkSQLQuery);
  void PrintSelf(ostream& os, vtkIndent indent);
  static vtkODBCQuery *New();

  bool Execute();

  int GetNumberOfFields();

  const char* GetFieldName(int i);

  int GetFieldType(int i);

  bool NextRow();

  bool HasError();

  vtkVariant DataValue(vtkIdType c);

  const char* GetLastErrorText();


  bool BeginTransaction();
  bool CommitTransaction();
  bool RollbackTransaction();


  bool SetQuery(const char *queryString);
  const char *GetQuery();


  using vtkSQLQuery::BindParameter;
  bool BindParameter(int index, unsigned char value);
  bool BindParameter(int index, signed char value);
  bool BindParameter(int index, unsigned short value);
  bool BindParameter(int index, signed short value);
  bool BindParameter(int index, unsigned int value);
//ETX
  bool BindParameter(int index, int value);
//BTX
  bool BindParameter(int index, unsigned long value);
  bool BindParameter(int index, signed long value);
  bool BindParameter(int index, vtkTypeUInt64 value);
  bool BindParameter(int index, vtkTypeInt64 value);
//ETX
  bool BindParameter(int index, float value);
  bool BindParameter(int index, double value);

  bool BindParameter(int index, const char *stringValue);

  bool BindParameter(int index, const char *stringValue, size_t length);
  bool BindParameter(int index, const vtkStdString &string);


  bool BindParameter(int index, const void *data, size_t length);
  bool ClearParameterBindings();

protected:
  vtkODBCQuery();
  ~vtkODBCQuery();

  vtkSetStringMacro(LastErrorText);
  vtkSetStringMacro(QueryText);
  vtkGetStringMacro(QueryText);

  char *QueryText;

private:
  vtkODBCQuery(const vtkODBCQuery &); // Not implemented.
  void operator=(const vtkODBCQuery &); // Not implemented.

  void ClearCurrentRow();
  bool CacheCurrentRow();

  bool CacheTimeColumn(int column);
  bool CacheIntervalColumn(int column);
  bool CacheCharColumn(int column);
  bool CacheLongLongColumn(int column);
  bool CacheBinaryColumn(int column);
  bool CacheBooleanColumn(int column);
  bool CacheStringColumn(int column);
  bool CacheWideStringColumn(int column);
  bool CacheDecimalColumn(int column);
  bool CacheNumericColumn(int column);
  bool CacheIntColumn(int column);
  bool CacheFloatColumn(int column);
  bool CacheDoubleColumn(int column);

  vtkODBCQueryInternals *Internals;
  bool InitialFetch;
  char *LastErrorText;
};

#endif // vtkODBCQuery_h