vzlogger/backend/lib/model/db/sqlite.php
2010-06-28 11:33:38 +02:00

116 lines
No EOL
2.7 KiB
PHP

<?php
/*
* Copyright (c) 2010 by Justin Otherguy <justin@justinotherguy.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (either version 2 or
* version 3) as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* For more information on the GPL, please go to:
* http://www.gnu.org/copyleft/gpl.html
*/
/**
* @brief base exception for mysql queries
*/
class SqLiteException extends DatabaseException
{
function __construct($message = null, $code = 0) {
$message = sprintf('%04d: %s', sqlite_error_string(sqlite_last_error()), sqlite_last_error());
parent::__construct($message, sqlite_last_error());
}
}
/**
* @brief resultset of a mysql query
*/
class SqLiteResultSet extends DatabaseResultSet
{
/**
* @param resource $resource mysql resultset
*/
function __construct($resource) {
while ($row = sqlite_fetch_array($resource, SQLITE_ASSOC)) {
$this->_rows[] = $row;
++$this->_num_rows;
}
}
}
/**
* @brief mysql layer
*/
class SqLite extends Database {
/**
* @param string $host IP or domain of the database host
* @param string $name database name
* @param string $user user
* @param string $passwd password
*/
function __construct($config) {
$this->select($config['filename']);
}
function __destruct() {
$this->close();
}
/**
* @brief close database connection
*/
public function close() {
if (!$this->resource)
return;
sqlite_close($this->resource);
$this->resource = false;
}
/**
* @brief select database
* @param string $name database name
*/
public function select($filename) {
if (!mysql_select_db($db, $this->resource))
throw new SqLiteException();
$this->database = $db;
}
/**
* @brief execute query
* @param string $sql query
* @return mixed
*/
public function execute($sql) {
if (!($result = sqlite_query($this->resource, $sql)))
throw new SqLiteException();
$this->statements[] = $sql;
return new SqLiteResultSet($result);
}
/**
* @brief sqlite escape string
* @param string $string query
*/
public function escapeString($string) {
return sqlite_escape_string($string);
}
public function lastInsertId() {
return sqlite_last_insert_rowid();
}
}
?>