417 lines
11 KiB
PHP
417 lines
11 KiB
PHP
<?php
|
|
/*
|
|
* 2007-2015 PrestaShop
|
|
*
|
|
* NOTICE OF LICENSE
|
|
*
|
|
* This source file is subject to the Open Software License (OSL 3.0)
|
|
* that is bundled with this package in the file LICENSE.txt.
|
|
* It is also available through the world-wide-web at this URL:
|
|
* http://opensource.org/licenses/osl-3.0.php
|
|
* If you did not receive a copy of the license and are unable to
|
|
* obtain it through the world-wide-web, please send an email
|
|
* to license@prestashop.com so we can send you a copy immediately.
|
|
*
|
|
* DISCLAIMER
|
|
*
|
|
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
|
|
* versions in the future. If you wish to customize PrestaShop for your
|
|
* needs please refer to http://www.prestashop.com for more information.
|
|
*
|
|
* @author PrestaShop SA <contact@prestashop.com>
|
|
* @copyright 2007-2015 PrestaShop SA
|
|
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
|
|
* International Registered Trademark & Property of PrestaShop SA
|
|
*/
|
|
|
|
/**
|
|
* Class DbMySQLiCore
|
|
*
|
|
* @since 1.5.0,1
|
|
*/
|
|
class DbMySQLiCore extends Db
|
|
{
|
|
/** @var mysqli */
|
|
protected $link;
|
|
|
|
/* @var mysqli_result */
|
|
protected $result;
|
|
|
|
/**
|
|
* Tries to connect to the database
|
|
*
|
|
* @see DbCore::connect()
|
|
* @return mysqli
|
|
* @throws PrestaShopDatabaseException
|
|
*/
|
|
public function connect()
|
|
{
|
|
if (strpos($this->server, ':') !== false) {
|
|
list($server, $port) = explode(':', $this->server);
|
|
$this->link = @new mysqli($server, $this->user, $this->password, $this->database, $port);
|
|
} else {
|
|
$this->link = @new mysqli($this->server, $this->user, $this->password, $this->database);
|
|
}
|
|
|
|
// Do not use object way for error because this work bad before PHP 5.2.9
|
|
if (mysqli_connect_error()) {
|
|
throw new PrestaShopDatabaseException(sprintf(Tools::displayError('Link to database cannot be established: %s'), mysqli_connect_error()));
|
|
}
|
|
|
|
// UTF-8 support
|
|
if (!$this->link->query('SET NAMES \'utf8\'')) {
|
|
throw new PrestaShopDatabaseException(Tools::displayError('PrestaShop Fatal error: no utf-8 support. Please check your server configuration.'));
|
|
}
|
|
|
|
return $this->link;
|
|
}
|
|
|
|
/**
|
|
* Tries to connect and create a new database
|
|
*
|
|
* @param string $host
|
|
* @param string|null $user
|
|
* @param string|null $password
|
|
* @param string|null $database
|
|
* @param bool $dropit If true, drops the created database.
|
|
* @return bool|mysqli_result
|
|
*/
|
|
public static function createDatabase($host, $user = null, $password = null, $database = null, $dropit = false)
|
|
{
|
|
if (strpos($host, ':') !== false) {
|
|
list($host, $port) = explode(':', $host);
|
|
$link = @new mysqli($host, $user, $password, null, $port);
|
|
} else {
|
|
$link = @new mysqli($host, $user, $password);
|
|
}
|
|
$success = $link->query('CREATE DATABASE `'.str_replace('`', '\\`', $database).'`');
|
|
if ($dropit && ($link->query('DROP DATABASE `'.str_replace('`', '\\`', $database).'`') !== false)) {
|
|
return true;
|
|
}
|
|
return $success;
|
|
}
|
|
|
|
/**
|
|
* Destroys the database connection link
|
|
*
|
|
* @see DbCore::disconnect()
|
|
*/
|
|
public function disconnect()
|
|
{
|
|
@$this->link->close();
|
|
}
|
|
|
|
/**
|
|
* Executes an SQL statement, returning a result set as a mysqli_result object or true/false.
|
|
*
|
|
* @see DbCore::_query()
|
|
* @param string $sql
|
|
* @return bool|mysqli_result
|
|
*/
|
|
protected function _query($sql)
|
|
{
|
|
return $this->link->query($sql);
|
|
}
|
|
|
|
/**
|
|
* Returns the next row from the result set.
|
|
*
|
|
* @see DbCore::nextRow()
|
|
* @param bool|mysqli_result $result
|
|
* @return array|bool
|
|
*/
|
|
public function nextRow($result = false)
|
|
{
|
|
if (!$result) {
|
|
$result = $this->result;
|
|
}
|
|
|
|
if (!is_object($result)) {
|
|
return false;
|
|
}
|
|
|
|
return $result->fetch_assoc();
|
|
}
|
|
|
|
/**
|
|
* Returns all rows from the result set.
|
|
*
|
|
* @see DbCore::getAll()
|
|
* @param bool|mysqli_result $result
|
|
* @return array|false
|
|
*/
|
|
protected function getAll($result = false)
|
|
{
|
|
if (!$result) {
|
|
$result = $this->result;
|
|
}
|
|
|
|
if (!is_object($result)) {
|
|
return false;
|
|
}
|
|
|
|
if (method_exists($result, 'fetch_all')) {
|
|
return $result->fetch_all(MYSQLI_ASSOC);
|
|
} else {
|
|
$ret = array();
|
|
|
|
while ($row = $this->nextRow($result)) {
|
|
$ret[] = $row;
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns row count from the result set.
|
|
*
|
|
* @see DbCore::_numRows()
|
|
* @param bool|mysqli_result $result
|
|
* @return int
|
|
*/
|
|
protected function _numRows($result)
|
|
{
|
|
return $result->num_rows;
|
|
}
|
|
|
|
/**
|
|
* Returns ID of the last inserted row.
|
|
*
|
|
* @see DbCore::Insert_ID()
|
|
* @return string|int
|
|
*/
|
|
public function Insert_ID()
|
|
{
|
|
return $this->link->insert_id;
|
|
}
|
|
|
|
/**
|
|
* Return the number of rows affected by the last SQL query.
|
|
*
|
|
* @see DbCore::Affected_Rows()
|
|
* @return int
|
|
*/
|
|
public function Affected_Rows()
|
|
{
|
|
return $this->link->affected_rows;
|
|
}
|
|
|
|
/**
|
|
* Returns error message.
|
|
*
|
|
* @see DbCore::getMsgError()
|
|
* @param bool $query
|
|
* @return string
|
|
*/
|
|
public function getMsgError($query = false)
|
|
{
|
|
return $this->link->error;
|
|
}
|
|
|
|
/**
|
|
* Returns error code.
|
|
*
|
|
* @see DbCore::getNumberError()
|
|
* @return int
|
|
*/
|
|
public function getNumberError()
|
|
{
|
|
return $this->link->errno;
|
|
}
|
|
|
|
/**
|
|
* Returns database server version.
|
|
*
|
|
* @see DbCore::getVersion()
|
|
* @return string
|
|
*/
|
|
public function getVersion()
|
|
{
|
|
return $this->getValue('SELECT VERSION()');
|
|
}
|
|
|
|
/**
|
|
* Escapes illegal characters in a string.
|
|
*
|
|
* @see DbCore::_escape()
|
|
* @param string $str
|
|
* @return string
|
|
*/
|
|
public function _escape($str)
|
|
{
|
|
return $this->link->real_escape_string($str);
|
|
}
|
|
|
|
/**
|
|
* Switches to a different database.
|
|
*
|
|
* @see DbCore::set_db()
|
|
* @param string $db_name
|
|
* @return bool
|
|
*/
|
|
public function set_db($db_name)
|
|
{
|
|
return $this->link->query('USE `'.bqSQL($db_name).'`');
|
|
}
|
|
|
|
/**
|
|
* Try a connection to the database and check if at least one table with same prefix exists
|
|
*
|
|
* @see Db::hasTableWithSamePrefix()
|
|
* @param string $server Server address
|
|
* @param string $user Login for database connection
|
|
* @param string $pwd Password for database connection
|
|
* @param string $db Database name
|
|
* @param string $prefix Tables prefix
|
|
* @return bool
|
|
*/
|
|
public static function hasTableWithSamePrefix($server, $user, $pwd, $db, $prefix)
|
|
{
|
|
$link = @new mysqli($server, $user, $pwd, $db);
|
|
if (mysqli_connect_error()) {
|
|
return false;
|
|
}
|
|
|
|
$sql = 'SHOW TABLES LIKE \''.$prefix.'%\'';
|
|
$result = $link->query($sql);
|
|
return (bool)$result->fetch_assoc();
|
|
}
|
|
|
|
/**
|
|
* Try a connection to the database
|
|
*
|
|
* @see Db::checkConnection()
|
|
* @param string $server Server address
|
|
* @param string $user Login for database connection
|
|
* @param string $pwd Password for database connection
|
|
* @param string $db Database name
|
|
* @param bool $newDbLink
|
|
* @param string|bool $engine
|
|
* @param int $timeout
|
|
* @return int Error code or 0 if connection was successful
|
|
*/
|
|
public static function tryToConnect($server, $user, $pwd, $db, $new_db_link = true, $engine = null, $timeout = 5)
|
|
{
|
|
$link = mysqli_init();
|
|
if (!$link) {
|
|
return -1;
|
|
}
|
|
|
|
if (!$link->options(MYSQLI_OPT_CONNECT_TIMEOUT, $timeout)) {
|
|
return 1;
|
|
}
|
|
|
|
// There is an @ because mysqli throw a warning when the database does not exists
|
|
if (!@$link->real_connect($server, $user, $pwd, $db)) {
|
|
return (mysqli_connect_errno() == 1049) ? 2 : 1;
|
|
}
|
|
|
|
$link->close();
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Selects best table engine.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getBestEngine()
|
|
{
|
|
$value = 'InnoDB';
|
|
|
|
$sql = 'SHOW VARIABLES WHERE Variable_name = \'have_innodb\'';
|
|
$result = $this->link->query($sql);
|
|
if (!$result) {
|
|
$value = 'MyISAM';
|
|
}
|
|
$row = $result->fetch_assoc();
|
|
if (!$row || strtolower($row['Value']) != 'yes') {
|
|
$value = 'MyISAM';
|
|
}
|
|
|
|
/* MySQL >= 5.6 */
|
|
$sql = 'SHOW ENGINES';
|
|
$result = $this->link->query($sql);
|
|
while ($row = $result->fetch_assoc()) {
|
|
if ($row['Engine'] == 'InnoDB') {
|
|
if (in_array($row['Support'], array('DEFAULT', 'YES'))) {
|
|
$value = 'InnoDB';
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Tries to connect to the database and create a table (checking creation privileges)
|
|
*
|
|
* @param string $server
|
|
* @param string $user
|
|
* @param string $pwd
|
|
* @param string $db
|
|
* @param string $prefix
|
|
* @param string|null $engine Table engine
|
|
* @return bool|string True, false or error
|
|
*/
|
|
public static function checkCreatePrivilege($server, $user, $pwd, $db, $prefix, $engine = null)
|
|
{
|
|
$link = @new mysqli($server, $user, $pwd, $db);
|
|
if (mysqli_connect_error()) {
|
|
return false;
|
|
}
|
|
|
|
if ($engine === null) {
|
|
$engine = 'MyISAM';
|
|
}
|
|
|
|
$result = $link->query('
|
|
CREATE TABLE `'.$prefix.'test` (
|
|
`test` tinyint(1) unsigned NOT NULL
|
|
) ENGINE='.$engine);
|
|
|
|
if (!$result) {
|
|
return $link->error;
|
|
}
|
|
|
|
$link->query('DROP TABLE `'.$prefix.'test`');
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Try a connection to the database and set names to UTF-8
|
|
*
|
|
* @see Db::checkEncoding()
|
|
* @param string $server Server address
|
|
* @param string $user Login for database connection
|
|
* @param string $pwd Password for database connection
|
|
* @return bool
|
|
*/
|
|
public static function tryUTF8($server, $user, $pwd)
|
|
{
|
|
$link = @new mysqli($server, $user, $pwd);
|
|
$ret = $link->query("SET NAMES 'UTF8'");
|
|
$link->close();
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Checks if auto increment value and offset is 1
|
|
*
|
|
* @param string $server
|
|
* @param string $user
|
|
* @param string $pwd
|
|
* @return bool
|
|
*/
|
|
public static function checkAutoIncrement($server, $user, $pwd)
|
|
{
|
|
$link = @new mysqli($server, $user, $pwd);
|
|
$ret = (bool)(($result = $link->query('SELECT @@auto_increment_increment as aii')) && ($row = $result->fetch_assoc()) && $row['aii'] == 1);
|
|
$ret &= (bool)(($result = $link->query('SELECT @@auto_increment_offset as aio')) && ($row = $result->fetch_assoc()) && $row['aio'] == 1);
|
|
$link->close();
|
|
return $ret;
|
|
}
|
|
}
|