GDAL

- Main Page
- Related Pages
- Classes
- Files
- Download
- Issue Tracker

- Class List
- Class Hierarchy
- Class Members

Public Member Functions | List of all members
CPLODBCSession Class Reference

A class representing an ODBC database session. More...

`#include <cpl_odbc.h>`

## Public Member Functions
| CPLODBCSession ()
| Constructor.
| ~CPLODBCSession ()
| Destructor.
int | EstablishSession (const char *pszDSN, const char *pszUserid, const char *pszPassword)
| Connect to database and logon. More...
const char * | GetLastError ()
| Returns the last ODBC error message. More...
int | ClearTransaction ()
| Clear transaction.
int | BeginTransaction ()
| Begin transaction.
int | CommitTransaction ()
| Commit transaction.
int | RollbackTransaction ()
| Rollback transaction.
int | IsInTransaction ()
| Returns whether a transaction is active.
int | CloseSession ()
| Close session.
int | Failed (int, HSTMT=nullptr)
| Test if a return code indicates failure, return TRUE if that is the case. More...
HDBC | GetConnection ()
| Return connection handle.
HENV | GetEnvironment ()
| Return GetEnvironment handle.

## Detailed Description

A class representing an ODBC database session.

Includes error collection services.

## Member Function Documentation

int CPLODBCSession::EstablishSession | ( | const char * | pszDSN,
|  | const char * | pszUserid,
|  | const char * | pszPassword
| ) |  |

Connect to database and logon.

Parameters

  pszDSN | The name of the DSN being used to connect. This is not optional.
  pszUserid | the userid to logon as, may be NULL if not not required, or provided by the DSN.
  pszPassword | the password to logon with. May be NULL if not required or provided by the DSN.

Returns
  TRUE on success or FALSE on failure. Call GetLastError() to get details on failure.

int CPLODBCSession::Failed | ( | int | nRetCode,
|  | HSTMT | hStmt = `nullptr`
| ) |  |

Test if a return code indicates failure, return TRUE if that is the case.

Also update error text.

ODBC error messages are reported in the following format: [SQLState]ErrorMessage(NativeErrorCode)

Multiple error messages are delimeted by ",".

const char * CPLODBCSession::GetLastError | ( |  | ) |

Returns the last ODBC error message.

Returns
  pointer to an internal buffer with the error message in it. Do not free or alter. Will be an empty (but not NULL) string if there is no pending error info.

The documentation for this class was generated from the following files:

- cpl_odbc.h
- cpl_odbc.cpp