124 lines
2.1 KiB
PHP
124 lines
2.1 KiB
PHP
<?php
|
|
/**
|
|
* OpenSQLManager
|
|
*
|
|
* Free Database manager for Open Source Databases
|
|
*
|
|
* @author Timothy J. Warren
|
|
* @copyright Copyright (c) 2012
|
|
* @link https://github.com/aviat4ion/OpenSQLManager
|
|
* @license http://philsturgeon.co.uk/code/dbad-license
|
|
*/
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
/**
|
|
* SQLite specific class
|
|
*
|
|
* @extends DB_PDO
|
|
*/
|
|
class SQLite extends DB_PDO {
|
|
|
|
/**
|
|
* Open SQLite Database
|
|
*
|
|
* @param string $dsn
|
|
*/
|
|
function __construct($dsn)
|
|
{
|
|
// DSN is simply `sqlite:/path/to/db`
|
|
parent::__construct("sqlite:{$dsn}");
|
|
|
|
$class = __CLASS__."_manip";
|
|
$this->manip = new $class;
|
|
}
|
|
|
|
/**
|
|
* Empty a table
|
|
*
|
|
* @param string $table
|
|
*/
|
|
function truncate($table)
|
|
{
|
|
// SQLite has a TRUNCATE optimization,
|
|
// but no support for the actual command.
|
|
$sql = <<<SQL
|
|
DELETE FROM "{$table}"
|
|
SQL;
|
|
|
|
$this->query($sql);
|
|
}
|
|
|
|
/**
|
|
* List tables for the current database
|
|
*
|
|
* @return mixed
|
|
*/
|
|
function get_tables()
|
|
{
|
|
$tables = array();
|
|
$sql = <<<SQL
|
|
SELECT "name", "sql" FROM "sqlite_master" WHERE "type"='table'
|
|
SQL;
|
|
|
|
$res = $this->query($sql);
|
|
$result = $res->fetchAll(PDO::FETCH_ASSOC);
|
|
|
|
foreach($result as $r)
|
|
{
|
|
$tables[$r['name']] = $r['sql'];
|
|
}
|
|
|
|
return $tables;
|
|
}
|
|
|
|
/**
|
|
* List system tables for the current database
|
|
*
|
|
* @return array
|
|
*/
|
|
function get_system_tables()
|
|
{
|
|
//SQLite only has the sqlite_master table
|
|
// that is of any importance.
|
|
return array('sqlite_master');
|
|
}
|
|
|
|
/**
|
|
* Load a database for the current connection
|
|
*
|
|
* @param string $db
|
|
* @param string $name
|
|
*/
|
|
function load_database($db, $name)
|
|
{
|
|
$sql = <<<SQL
|
|
ATTACH DATABASE '{$db}' AS "{$name}"
|
|
SQL;
|
|
$this->query($sql);
|
|
}
|
|
|
|
/**
|
|
* Unload a database from the current connection
|
|
*
|
|
* @param string $name
|
|
*/
|
|
function unload_database($name)
|
|
{
|
|
$sql = <<<SQL
|
|
DETACH DATABASE "{$name}"
|
|
SQL;
|
|
$this->query($sql);
|
|
}
|
|
|
|
/**
|
|
* Return the number of rows returned for a SELECT query
|
|
*
|
|
* @return int
|
|
*/
|
|
function num_rows()
|
|
{
|
|
return (isset($this->statement)) ? $this->statment->rowCount : FALSE;
|
|
}
|
|
}
|
|
//End of sqlite.php
|