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/*=========================================================================
Program: Visualization Toolkit
Module: TestODBCDatabase.cxx
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 (c) Sandia Corporation
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
// .SECTION Thanks
// Thanks to Andrew Wilson from Sandia National Laboratories for implementing
// this test.
#include "vtkODBCDatabase.h"
#include "vtkSQLQuery.h"
#include "vtkRowQueryToTable.h"
#include "vtkStdString.h"
#include "vtkTable.h"
#include "vtkVariant.h"
#include "vtkVariantArray.h"
#include "vtkToolkits.h"
#include <vtksys/ios/sstream>
#define LONGSTRING "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"
int TestODBCDatabase( int, char ** const )
{
vtkODBCDatabase* db = vtkODBCDatabase::New();
db->SetDataSourceName( VTK_ODBC_TEST_DSN );
bool status = db->Open(NULL);
if ( ! status )
{
cerr << "Couldn't open database. Error message: "
<< db->GetLastErrorText() << "\n";
return 1;
}
vtkSQLQuery* query = db->GetQueryInstance();
vtkStdString createQuery( "CREATE TABLE people (name VARCHAR(1024), age INTEGER, weight FLOAT)" );
cout << createQuery << endl;
query->SetQuery( createQuery.c_str() );
if ( !query->Execute() )
{
cerr << "Create query failed. Error message: "
<< query->GetLastErrorText() << endl;
return 1;
}
int i;
for ( i = 0; i < 20; ++ i )
{
vtksys_ios::ostringstream queryBuf;
queryBuf << "INSERT INTO people VALUES('John Doe "
<< i
<< "', " << i << ", " << 10*i + 0.5 << ")";
cout << queryBuf.str() << endl;
query->SetQuery( queryBuf.str().c_str() );
if ( !query->Execute() )
{
cerr << "Insert query " << i << " failed. Error message: "
<< query->GetLastErrorText() << endl;
return 1;
}
}
const char *placeholders = "INSERT INTO people (name, age, weight) VALUES (?, ?, ?)";
query->SetQuery(placeholders);
for ( i = 21; i < 40; i++ )
{
char name[20];
sprintf(name, "John Doe %d", i);
bool bind1 = query->BindParameter(0, name);
bool bind2 = query->BindParameter(1, i);
bool bind3 = query->BindParameter(2, 10.1*i);
if (!(bind1 && bind2 && bind3))
{
cerr << "Parameter binding failed on query " << i
<< ": " << bind1 << " " << bind2 << " " << bind3 << endl;
return 1;
}
cout << query->GetQuery() << endl;
if (!query->Execute())
{
cerr << "Insert query " << i << " failed" << endl;
return 1;
}
}
const char* queryText = "SELECT name, age, weight FROM people WHERE age <= 30";
query->SetQuery( queryText );
cerr << endl << "Running query: " << query->GetQuery() << endl;
cerr << endl << "Using vtkSQLQuery directly to execute query:" << endl;
if ( !query->Execute() )
{
cerr << "Query failed with error message " << query->GetLastErrorText() << endl;
return 1;
}
cerr << "Fields returned by query: ";
for ( int col = 0; col < query->GetNumberOfFields(); ++ col )
{
if ( col > 0 )
{
cerr << ", ";
}
cerr << query->GetFieldName( col );
}
cerr << endl;
int thisRow = 0;
while ( query->NextRow() )
{
cerr << "Row " << thisRow << ": ";
++thisRow;
for ( int field = 0; field < query->GetNumberOfFields(); ++ field )
{
if ( field > 0 )
{
cerr << ", ";
}
cerr << query->DataValue( field ).ToString().c_str();
}
cerr << endl;
}
cerr << endl << "Using vtkSQLQuery to execute query and retrieve by row:" << endl;
if ( !query->Execute() )
{
cerr << "Query failed with error message " << query->GetLastErrorText() << endl;
return 1;
}
for ( int col = 0; col < query->GetNumberOfFields(); ++ col )
{
if ( col > 0 )
{
cerr << ", ";
}
cerr << query->GetFieldName( col );
}
cerr << endl;
vtkVariantArray* va = vtkVariantArray::New();
while ( query->NextRow( va ) )
{
for ( int field = 0; field < va->GetNumberOfValues(); ++ field )
{
if ( field > 0 )
{
cerr << ", ";
}
cerr << va->GetValue( field ).ToString().c_str();
}
cerr << endl;
}
va->Delete();
cerr << endl << "Using vtkRowQueryToTable to execute query:" << endl;
vtkRowQueryToTable* reader = vtkRowQueryToTable::New();
reader->SetQuery( query );
reader->Update();
vtkTable* table = reader->GetOutput();
for ( vtkIdType col = 0; col < table->GetNumberOfColumns(); ++ col )
{
table->GetColumn( col )->Print( cerr );
}
cerr << endl;
#if defined(PRINT_TABLE_CONTENTS)
for ( vtkIdType row = 0; row < table->GetNumberOfRows(); ++ row )
{
for ( vtkIdType col = 0; col < table->GetNumberOfColumns(); ++ col )
{
vtkVariant v = table->GetValue( row, col );
cerr << "row " << row << ", col " << col << " - "
<< v.ToString() << " ( " << vtkImageScalarTypeNameMacro( v.GetType()) << " )" << endl;
}
}
#endif
query->SetQuery( "DROP TABLE people" );
query->Execute();
reader->Delete();
query->Delete();
db->Delete();
return 0;
}
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