ThinkPHP/Extend/Driver/Db/DbSqlite.class.php

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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

defined('THINK_PATH') or exit();
/**
 * Sqlite数据库驱动
 * @category   Extend
 * @package  Extend
 * @subpackage  Driver.Db
 * @author    liu21st <liu21st@gmail.com>
 */
class DbSqlite extends Db {

    /**
     * 架构函数 读取数据库配置信息
     * @access public
     * @param array $config 数据库配置数组
     */
    public function __construct($config='') {
        if ( !extension_loaded('sqlite') ) {
            throw_exception(L('_NOT_SUPPERT_').':sqlite');
        }
        if(!empty($config)) {
            if(!isset($config['mode'])) {
                $config['mode']	=	0666;
            }
            $this->config	=	$config;
            if(empty($this->config['params'])) {
                $this->config['params'] =   array();
            }
        }
    }

    /**
     * 连接数据库方法
     * @access public
     */
    public function connect($config='',$linkNum=0) {
        if ( !isset($this->linkID[$linkNum]) ) {
            if(empty($config))	$config	=	$this->config;
            $pconnect   = !empty($config['params']['persist'])? $config['params']['persist']:$this->pconnect;
            $conn = $pconnect ? 'sqlite_popen':'sqlite_open';
            $this->linkID[$linkNum] = $conn($config['database'],$config['mode']);
            if ( !$this->linkID[$linkNum]) {
                throw_exception(sqlite_error_string());
            }
            // 标记连接成功
            $this->connected	=	true;
            //注销数据库安全信息
            if(1 != C('DB_DEPLOY_TYPE')) unset($this->config);
        }
        return $this->linkID[$linkNum];