VTK  9.2.6
vtkPostgreSQLDatabasePrivate.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkPostgreSQLDatabasePrivate.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
15 /*-------------------------------------------------------------------------
16  Copyright 2008 Sandia Corporation.
17  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
18  the U.S. Government retains certain rights in this software.
19 -------------------------------------------------------------------------*/
20 
36 #ifndef vtkPostgreSQLDatabasePrivate_h
37 #define vtkPostgreSQLDatabasePrivate_h
38 
39 #include "vtkStdString.h"
40 #include "vtkTimeStamp.h"
41 #include "vtkType.h"
42 
43 #include <libpq-fe.h>
44 #include <map>
45 
47 {
48 public:
50 
55  {
56  if (this->Connection)
57  {
58  PQfinish(this->Connection);
59  }
60  }
61 
62  // Given a Postgres column type OID, return a VTK array type (see vtkType.h).
63  int GetVTKTypeFromOID(Oid pgtype)
64  {
65  std::map<Oid, int>::const_iterator it = this->DataTypeMap.find(pgtype);
66  if (it == this->DataTypeMap.end())
67  {
68  return VTK_STRING;
69  }
70  return it->second;
71  }
72 
73  // This is the actual database connection. It will be nullptr if no
74  // connection is open.
75  PGconn* Connection;
76 
77  // Map Postgres column types to VTK types.
78  std::map<Oid, int> DataTypeMap;
79 };
80 
81 #endif // vtkPostgreSQLDatabasePrivate_h
82 // VTK-HeaderTest-Exclude: vtkPostgreSQLDatabasePrivate.h
internal details of a connection to a PostgreSQL database
#define VTK_STRING
Definition: vtkType.h:60
virtual ~vtkPostgreSQLDatabasePrivate()
Destroy the database connection.