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<?php
namespace Bitrix\Main\DB;
use Bitrix\Main\Diag;
class MysqlConnection extends MysqlCommonConnection
{
/**********************************************************
* SqlHelper
**********************************************************/
/**
* @inheritDoc
*/
protected function createSqlHelper()
{
return new MysqlSqlHelper($this);
}
/***********************************************************
* Connection and disconnection
***********************************************************/
/**
* Establishes a connection to the database.
* Includes php_interface/after_connect_d7.php on success.
* Throws exception on failure.
*
* @return void
* @throws \Bitrix\Main\DB\ConnectionException
*/
protected function connectInternal()
{
if($this->isConnected)
{
return;
}
if(($this->options & self::PERSISTENT) != 0)
{
$connection = mysql_pconnect($this->host, $this->login, $this->password);
}
else
{
$connection = mysql_connect($this->host, $this->login, $this->password, true);
}
if(!$connection)
{
throw new ConnectionException('Mysql connect error ['.$this->host.', '.gethostbyname($this->host).']', mysql_error());
}
if($this->database !== null)
{
if(!mysql_select_db($this->database, $connection))
{
throw new ConnectionException('Mysql select db error ['.$this->database.']', mysql_error($connection));
}
}
$this->resource = $connection;
$this->isConnected = true;
$this->afterConnected();
}
/**
* Disconnects from the database.
* Does nothing if there was no connection established.
*
* @return void
*/
public function disconnectInternal()
{
if (!$this->isConnected)
return;
mysql_close($this->resource);
$this->isConnected = false;
}
/*********************************************************
* Query
*********************************************************/
/**
* @inheritDoc
*/
protected function queryInternal($sql, array $binds = null, \Bitrix\Main\Diag\SqlTrackerQuery $trackerQuery = null)
{
$this->connectInternal();
if ($trackerQuery != null)
$trackerQuery->startQuery($sql, $binds);
$result = mysql_query($sql, $this->resource);
if ($trackerQuery != null)
$trackerQuery->finishQuery();
$this->lastQueryResult = $result;
if (!$result)
throw new SqlQueryException('Mysql query error', mysql_error($this->resource), $sql);
return $result;
}
/**
* @inheritDoc
*/
protected function createResult($result, \Bitrix\Main\Diag\SqlTrackerQuery $trackerQuery = null)
{
return new MysqlResult($result, $this, $trackerQuery);
}
/**
* @inheritDoc
*/
public function getInsertedId()
{
$this->connectInternal();
return mysql_insert_id($this->resource);
}
/**
* @inheritDoc
*/
public function getAffectedRowsCount()
{
return mysql_affected_rows($this->getResource());
}
/*********************************************************
* Type, version, cache, etc.
*********************************************************/
/**
* @inheritDoc
*/
public function getVersion()
{
if ($this->version == null)
{
$version = $this->queryScalar("SELECT VERSION()");
if ($version != null)
{
$version = trim($version);
preg_match("#[0-9]+\\.[0-9]+\\.[0-9]+#", $version, $ar);
$this->version = $ar[0];
}
}
return array($this->version, null);
}
/**
* @inheritDoc
*/
protected function getErrorMessage()
{
return sprintf("[%s] %s", mysql_errno($this->resource), mysql_error($this->resource));
}
/**
* Selects the default database for database queries.
*
* @param string $database Database name.
* @return bool
*/
public function selectDatabase($database)
{
return mysql_select_db($database, $this->resource);
}
}