Files
EasySoft-ZenTaoPMS/lib/sqlite/sqlite.class.php
T

110 lines
3.4 KiB
PHP

<?php
/**
* The control file of sqlite class of ZenTaoPMS.
*
* @copyright Copyright 2009-2023 禅道软件(青岛)有限公司(ZenTao Software (Qingdao) Co., Ltd. www.cnezsoft.com)
* @license ZPL(http://zpl.pub/page/zplv12.html) or AGPL(https://www.gnu.org/licenses/agpl-3.0.en.html)
* @author liuyongkai <liuyongkai@easycorp.ltd>
* @package sqlite
* @link http://www.zentao.net
*/
class sqlite
{
/**
* The global app object.
*
* @var object
* @access public
*/
public $app;
/**
* The global sqlite object.
*
* @var object
* @access public
*/
public $dbh = null;
/**
* __construct
*
* @access public
* @return void
*/
public function __construct()
{
global $app;
$this->app = $app;
}
/**
* Connect to sqlite database.
*
* @param string $sqliteFile
* @access public
* @return object
*/
public function connectSqlite(string $sqliteFile = ''): object
{
$tmpRoot = $this->app->getTmpRoot();
if(empty($sqliteFile) || !is_file($sqliteFile)) $sqliteFile = $tmpRoot . 'sqlite.db';
$sqliteFile = realpath($sqliteFile);
if(strpos($sqliteFile, $tmpRoot) !== 0) helper::end("The sqlite file '$sqliteFile' is not in the tmp root '$tmpRoot'");
$dbh = new PDO("sqlite:$sqliteFile");
$dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$this->dbh = $dbh;
return $this;
}
/**
* Convert mysql sql to sqlite sql.
*
* @param string $sql
* @access public
* @return string
*/
public function processSQL(string $sql)
{
$sql = str_replace('`', '', $sql);
$sql = preg_replace('/\s*int\s*\(\d+\)\s*NOT NULL AUTO_INCREMENT/i', ' INTEGER PRIMARY KEY AUTOINCREMENT', $sql);
$sql = preg_replace('/\s*int\s*\(\d+\)\s*AUTO_INCREMENT/i', ' INTEGER PRIMARY KEY AUTOINCREMENT', $sql);
$sql = preg_replace('/\s*tinyint\(\d+\)/i', ' INTEGER', $sql);
$sql = preg_replace('/\s*smallint\(\d+\)/i', ' INTEGER', $sql);
$sql = preg_replace('/\s*mediumint\(\d+\)/i', ' INTEGER', $sql);
$sql = preg_replace('/\s*int\(\d+\)/i', ' INTEGER', $sql);
$sql = preg_replace('/\s*bigint\(\d+\)/i', ' INTEGER', $sql);
$sql = preg_replace('/\s*float/i', ' REAL', $sql);
$sql = preg_replace('/\s*double/i', ' REAL', $sql);
$sql = preg_replace('/\s*decimal/i', ' REAL', $sql);
$sql = preg_replace('/\s*datetime/i', ' TEXT', $sql);
$sql = preg_replace('/\s*timestamp/i', ' TEXT', $sql);
$sql = preg_replace('/\s*time/i', ' TEXT', $sql);
$sql = preg_replace('/\s*date/i', ' TEXT', $sql);
$sql = preg_replace('/\s*enum\([^)]*\)/i', ' TEXT', $sql);
$sql = preg_replace('/\s*set\([^)]*\)/i', ' TEXT', $sql);
$sql = preg_replace('/\s*year/i', ' INTEGER', $sql);
$sql = preg_replace('/\s*bit/i', ' INTEGER', $sql);
$sql = preg_replace('/\s*UNSIGNED/i', '', $sql);
$sql = preg_replace('/\s*DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP/i', '', $sql);
return $sql;
}
/**
* Execute sql.
*
* @param string $sql
* @access public
* @return void
*/
public function exec(string $sql): void
{
$this->dbh->exec($this->processSQL($sql));
}
}