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/
http/
mail/
program/
lib/
Roundcube/
- drwxr-xr-x
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Viewing file:  rcube_db_sqlite.php (4.95 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
<?php
/**
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2005-2012, The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Database wrapper class that implements PHP PDO functions |
| for SQLite database |
+-----------------------------------------------------------------------+
| Author: Aleksander Machniak <alec@alec.pl> |
+-----------------------------------------------------------------------+
*/
/**
* Database independent query interface
* This is a wrapper for the PHP PDO
*
* @package Framework
* @subpackage Database
*/
class rcube_db_sqlite extends rcube_db
{
public $db_provider = 'sqlite';
/**
* Prepare connection
*/
protected function conn_prepare($dsn)
{
// Create database file, required by PDO to exist on connection
if (!empty($dsn['database']) && !file_exists($dsn['database'])) {
$created = touch($dsn['database']);
// File mode setting, for compat. with MDB2
if (!empty($dsn['mode']) && $created) {
chmod($dsn['database'], octdec($dsn['mode']));
}
}
}
/**
* Configure connection, create database if not exists
*/
protected function conn_configure($dsn, $dbh)
{
// Initialize database structure in file is empty
if (!empty($dsn['database']) && !filesize($dsn['database'])) {
$data = file_get_contents(RCUBE_INSTALL_PATH . 'SQL/sqlite.initial.sql');
if (strlen($data)) {
$this->debug('INITIALIZE DATABASE');
$q = $dbh->exec($data);
if ($q === false) {
$error = $dbh->errorInfo();
$this->db_error = true;
$this->db_error_msg = sprintf('[%s] %s', $error[1], $error[2]);
rcube::raise_error(array('code' => 500, 'type' => 'db',
'line' => __LINE__, 'file' => __FILE__,
'message' => $this->db_error_msg), true, false);
}
}
}
}
/**
* Return SQL statement to convert a field value into a unix timestamp
*
* @param string $field Field name
*
* @return string SQL statement to use in query
* @deprecated
*/
public function unixtimestamp($field)
{
return "strftime('%s', $field)";
}
/**
* Return SQL function for current time and date
*
* @param int $interval Optional interval (in seconds) to add/subtract
*
* @return string SQL function to use in query
*/
public function now($interval = 0)
{
if ($interval) {
$add = ($interval > 0 ? '+' : '') . intval($interval) . ' seconds';
}
return "datetime('now'" . ($add ? ",'$add'" : "") . ")";
}
/**
* Returns list of tables in database
*
* @return array List of all tables of the current database
*/
public function list_tables()
{
if ($this->tables === null) {
$q = $this->query('SELECT name FROM sqlite_master'
.' WHERE type = \'table\' ORDER BY name');
$this->tables = $q ? $q->fetchAll(PDO::FETCH_COLUMN, 0) : array();
}
return $this->tables;
}
/**
* Returns list of columns in database table
*
* @param string $table Table name
*
* @return array List of table cols
*/
public function list_cols($table)
{
$q = $this->query('SELECT sql FROM sqlite_master WHERE type = ? AND name = ?',
array('table', $table));
$columns = array();
if ($sql = $this->fetch_array($q)) {
$sql = $sql[0];
$start_pos = strpos($sql, '(');
$end_pos = strrpos($sql, ')');
$sql = substr($sql, $start_pos+1, $end_pos-$start_pos-1);
$lines = explode(',', $sql);
foreach ($lines as $line) {
$line = explode(' ', trim($line));
if ($line[0] && strpos($line[0], '--') !== 0) {
$column = $line[0];
$columns[] = trim($column, '"');
}
}
}
return $columns;
}
/**
* Build DSN string for PDO constructor
*/
protected function dsn_string($dsn)
{
return $dsn['phptype'] . ':' . $dsn['database'];
}
}
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