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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Db\Adapter;
use Exception;
use Piwik\Config;
use Piwik\Db\AdapterInterface;
use Piwik\Piwik;
use Zend_Config;
use Zend_Db_Adapter_Mysqli;
/**
*/
class Mysqli extends Zend_Db_Adapter_Mysqli implements AdapterInterface
{
/**
* Constructor
*
* @param array|Zend_Config $config database configuration
*/
public function __construct($config)
{
// Enable LOAD DATA INFILE
$config['driver_options'][MYSQLI_OPT_LOCAL_INFILE] = true;
parent::__construct($config);
}
/**
* Reset the configuration variables in this adapter.
*/
public function resetConfig()
{
$this->_config = array();
}
/**
* Return default port.
*
* @return int
*/
public static function getDefaultPort()
{
return 3306;
}
/**
* Check MySQL version
*
* @throws Exception
*/
public function checkServerVersion()
{
$serverVersion = $this->getServerVersion();
$requiredVersion = Config::getInstance()->General['minimum_mysql_version'];
if (version_compare($serverVersion, $requiredVersion) === -1) {
throw new Exception(Piwik::translate('General_ExceptionDatabaseVersion', array('MySQL', $serverVersion, $requiredVersion)));
}
}
/**
* Check client version compatibility against database server
*
* @throws Exception
*/
public function checkClientVersion()
{
$serverVersion = $this->getServerVersion();
$clientVersion = $this->getClientVersion();
// incompatible change to DECIMAL implementation in 5.0.3
if (version_compare($serverVersion, '5.0.3') >= 0
&& version_compare($clientVersion, '5.0.3') < 0
) {
throw new Exception(Piwik::translate('General_ExceptionIncompatibleClientServerVersions', array('MySQL', $clientVersion, $serverVersion)));
}
}
/**
* Returns true if this adapter's required extensions are enabled
*
* @return bool
*/
public static function isEnabled()
{
$extensions = @get_loaded_extensions();
return in_array('mysqli', $extensions);
}
/**
* Returns true if this adapter supports blobs as fields
*
* @return bool
*/
public function hasBlobDataType()
{
return true;
}
/**
* Returns true if this adapter supports bulk loading
*
* @return bool
*/
public function hasBulkLoader()
{
return true;
}
/**
* Test error number
*
* @param Exception $e
* @param string $errno
* @return bool
*/
public function isErrNo($e, $errno)
{
if (is_null($this->_connection)) {
if (preg_match('/(?:\[|\s)([0-9]{4})(?:\]|\s)/', $e->getMessage(), $match)) {
return $match[1] == $errno;
}
return mysqli_connect_errno() == $errno;
}
return mysqli_errno($this->_connection) == $errno;
}
/**
* Execute unprepared SQL query and throw away the result
*
* Workaround some SQL statements not compatible with prepare().
* See http://framework.zend.com/issues/browse/ZF-1398
*
* @param string $sqlQuery
* @return int Number of rows affected (SELECT/INSERT/UPDATE/DELETE)
*/
public function exec($sqlQuery)
{
$rc = mysqli_query($this->_connection, $sqlQuery);
$rowsAffected = mysqli_affected_rows($this->_connection);
if (!is_bool($rc)) {
mysqli_free_result($rc);
}
return $rowsAffected;
}
/**
* Is the connection character set equal to utf8?
*
* @return bool
*/
public function isConnectionUTF8()
{
$charset = mysqli_character_set_name($this->_connection);
return $charset === 'utf8';
}
/**
* Get client version
*
* @return string
*/
public function getClientVersion()
{
$this->_connect();
$version = $this->_connection->server_version;
$major = (int)($version / 10000);
$minor = (int)($version % 10000 / 100);
$revision = (int)($version % 100);
return $major . '.' . $minor . '.' . $revision;
}
}
|
