ParaView-5.0.1: Added the source-tree to ThirdParty-dev and patched as described in the README file

Resolves bug-report http://bugs.openfoam.org/view.php?id=2098

ParaView-5.0.1/VTK/IO/MySQL/vtkMySQLToTableReader.cxx

@@ -0,0 +1,171 @@
+/*=========================================================================
+
+  Program:   Visualization Toolkit
+  Module:    vtkMySQLToTableReader.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.
+
+=========================================================================*/
+#include "vtkDoubleArray.h"
+#include "vtkInformation.h"
+#include "vtkInformationVector.h"
+#include "vtkIntArray.h"
+#include "vtkObjectFactory.h"
+#include "vtkMySQLDatabase.h"
+#include "vtkMySQLQuery.h"
+#include "vtkSmartPointer.h"
+#include "vtkStreamingDemandDrivenPipeline.h"
+#include "vtkStringArray.h"
+#include "vtkTable.h"
+
+#include "vtkMySQLToTableReader.h"
+
+//----------------------------------------------------------------------------
+vtkStandardNewMacro(vtkMySQLToTableReader);
+
+//----------------------------------------------------------------------------
+vtkMySQLToTableReader::vtkMySQLToTableReader()
+{
+}
+
+//----------------------------------------------------------------------------
+vtkMySQLToTableReader::~vtkMySQLToTableReader()
+{
+}
+
+//----------------------------------------------------------------------------
+int vtkMySQLToTableReader::RequestData(vtkInformation *,
+                                      vtkInformationVector **,
+                                      vtkInformationVector *outputVector)
+{
+  //Make sure we have all the information we need to provide a vtkTable
+  if(!this->Database)
+    {
+    vtkErrorMacro(<<"No open database connection");
+    return 1;
+    }
+  if(!this->Database->IsA("vtkMySQLDatabase"))
+    {
+    vtkErrorMacro(<<"Wrong type of database for this reader");
+    return 1;
+    }
+  if(this->TableName == "")
+    {
+    vtkErrorMacro(<<"No table selected");
+    return 1;
+    }
+
+  vtkInformation *outInfo = outputVector->GetInformationObject(0);
+
+  // Return all data in the first piece ...
+  if(outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER()) > 0)
+    {
+    return 1;
+    }
+
+  vtkTable* const output = vtkTable::SafeDownCast(
+      outInfo->Get(vtkDataObject::DATA_OBJECT()));
+
+  //perform a query to get the names and types of the columns
+  std::string queryStr = "SHOW COLUMNS FROM ";
+  queryStr += this->TableName;
+  vtkMySQLQuery *query =
+    static_cast<vtkMySQLQuery*>(this->Database->GetQueryInstance());
+  query->SetQuery(queryStr.c_str());
+  if(!query->Execute())
+    {
+    vtkErrorMacro(<<"Error performing 'show columns' query");
+    }
+
+  //use the results of the query to create columns of the proper name & type
+  std::vector<std::string> columnTypes;
+  while(query->NextRow())
+    {
+    std::string columnName = query->DataValue(0).ToString();
+    std::string columnType = query->DataValue(1).ToString();
+    if( (columnType.find("int") != std::string::npos) ||
+        (columnType.find("INT") != std::string::npos) )
+      {
+      vtkSmartPointer<vtkIntArray> column =
+        vtkSmartPointer<vtkIntArray>::New();
+      column->SetName(columnName.c_str());
+      output->AddColumn(column);
+      columnTypes.push_back("int");
+      }
+    else if( (columnType.find("float") != std::string::npos) ||
+             (columnType.find("FLOAT") != std::string::npos) ||
+             (columnType.find("double") != std::string::npos) ||
+             (columnType.find("DOUBLE") != std::string::npos) ||
+             (columnType.find("real") != std::string::npos) ||
+             (columnType.find("REAL") != std::string::npos) ||
+             (columnType.find("decimal") != std::string::npos) ||
+             (columnType.find("DECIMAL") != std::string::npos) ||
+             (columnType.find("numeric") != std::string::npos) ||
+             (columnType.find("NUMERIC") != std::string::npos) )
+      {
+      vtkSmartPointer<vtkDoubleArray> column =
+        vtkSmartPointer<vtkDoubleArray>::New();
+      column->SetName(columnName.c_str());
+      output->AddColumn(column);
+      columnTypes.push_back("double");
+      }
+    else
+      {
+      vtkSmartPointer<vtkStringArray> column =
+        vtkSmartPointer<vtkStringArray>::New();
+      column->SetName(columnName.c_str());
+      output->AddColumn(column);
+      columnTypes.push_back("string");
+      }
+    }
+
+  //do a query to get the contents of the MySQL table
+  queryStr = "SELECT * FROM ";
+  queryStr += this->TableName;
+  query->SetQuery(queryStr.c_str());
+  if(!query->Execute())
+    {
+    vtkErrorMacro(<<"Error performing 'select all' query");
+    }
+
+  //use the results of the query to populate the columns
+  while(query->NextRow())
+    {
+    for(int col = 0; col < query->GetNumberOfFields(); ++ col)
+      {
+      if(columnTypes[col] == "int")
+        {
+        vtkIntArray *column =
+          static_cast<vtkIntArray*>(output->GetColumn(col));
+        column->InsertNextValue(query->DataValue(col).ToInt());
+        }
+      else if(columnTypes[col] == "double")
+        {
+        vtkDoubleArray *column =
+          static_cast<vtkDoubleArray*>(output->GetColumn(col));
+        column->InsertNextValue(query->DataValue(col).ToDouble());
+        }
+      else
+        {
+        vtkStringArray *column =
+          static_cast<vtkStringArray*>(output->GetColumn(col));
+        column->InsertNextValue(query->DataValue(col).ToString());
+        }
+      }
+    }
+
+  query->Delete();
+  return 1;
+}
+
+//----------------------------------------------------------------------------
+void vtkMySQLToTableReader::PrintSelf(ostream& os, vtkIndent indent)
+{
+  this->Superclass::PrintSelf(os,indent);
+}