wxSQLite3 3.3.0

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wxSQLite3Hook Class Reference

Interface for a user defined hook function. More...

`#include <wxsqlite3.h>`

## Public Types
enum | wxUpdateType { SQLITE_DELETE = 9, SQLITE_INSERT = 18, SQLITE_UPDATE = 23 }
| Codes identifying the command for which the hook is called. More...

## Public Member Functions
| wxSQLite3Hook ()
| Default constructor. More...
virtual | ~wxSQLite3Hook ()
| Virtual destructor. More...
virtual bool | CommitCallback ()
| Execute the commit hook callback function. More...
virtual void | RollbackCallback ()
| Execute the rollback hook callback function. More...
virtual void | UpdateCallback (wxUpdateType WXUNUSED(type), const wxString &WXUNUSED(database), const wxString &WXUNUSED(table), wxLongLong WXUNUSED(rowid))
| Execute the hook callback function. More...
virtual int | WriteAheadLogCallback (const wxString &WXUNUSED(database), int WXUNUSED(numPages))
| Execute the write-ahead log hook callback function. More...
void | SetDatabase (wxSQLite3Database *db)
| Set the associated database. More...
wxSQLite3Database * | GetDatabase () const
| Get the associated database. More...

## Detailed Description

Interface for a user defined hook function.

## Member Enumeration Documentation

enum wxSQLite3Hook::wxUpdateType

Codes identifying the command for which the hook is called.

Enumerator
SQLITE_DELETE |
SQLITE_INSERT |
SQLITE_UPDATE |

## Constructor & Destructor Documentation

wxSQLite3Hook::wxSQLite3Hook | ( |  | ) |
| inline

Default constructor.

virtual wxSQLite3Hook::~wxSQLite3Hook | ( |  | ) |
| inline virtual

Virtual destructor.

## Member Function Documentation

virtual bool wxSQLite3Hook::CommitCallback | ( |  | ) |
| inline virtual

Execute the commit hook callback function.

Please refer to the SQLite documentation for further information.

Returns
  true to request rollback of the transaction, false to continue with commit

wxSQLite3Database* wxSQLite3Hook::GetDatabase | ( |  | ) | const
| inline

Get the associated database.

For the write-ahead log hook the associated database can be accessed.

Returns
  pointer to the associated database instance

Note
  Access to the associated database is only provided for write-ahead log hooks.

virtual void wxSQLite3Hook::RollbackCallback | ( |  | ) |
| inline virtual

Execute the rollback hook callback function.

Please refer to the SQLite documentation for further information.

void wxSQLite3Hook::SetDatabase | ( | wxSQLite3Database * | db | ) |
| inline

Set the associated database.

For the write-ahead log hook the associated database is set internally.

Parameters

  db | pointer to the associated database instance

virtual void wxSQLite3Hook::UpdateCallback | ( | wxUpdateType | WXUNUSEDtype,
|  | const wxString & | WXUNUSEDdatabase,
|  | const wxString & | WXUNUSEDtable,
|  | wxLongLong | WXUNUSEDrowid
| ) |  |
| inline virtual

Execute the hook callback function.

Please refer to the SQLite documentation for further information about the meaning of the parameters.

Parameters

  type | wxHookType. The value signifies what kind of operation is to be authorized.
  database | Name of the database
  table | Name of the table
  rowid | The rowid of the affected row

virtual int wxSQLite3Hook::WriteAheadLogCallback | ( | const wxString & | WXUNUSEDdatabase,
|  | int | WXUNUSEDnumPages
| ) |  |
| inline virtual

Execute the write-ahead log hook callback function.

Please refer to the SQLite documentation for further information about the meaning of the parameters.

Parameters

  database | Name of the database
  numPages | the number of pages

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

- wxsqlite3.h