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<?php
namespace Bitrix\Main\DB;
use Bitrix\Main\Diag;
class MysqliConnection extends MysqlCommonConnection
{
/**********************************************************
* SqlHelper
**********************************************************/
/**
* @return SqlHelper
*/
protected function createSqlHelper()
{
return new MysqliSqlHelper($this);
}
/***********************************************************
* Connection and disconnection
***********************************************************/
/**
* Establishes a connection to the database.
* Includes php_interface/after_connect_d7.php on success.
* Throws exception on failure.
*
* @return void
* @throws \Bitrix\Main\DB\ConnectionException
*/
protected function connectInternal()
{
if ($this->isConnected)
return;
$host = $this->host;
$port = 0;
if (($pos = strpos($host, ":")) !== false)
{
$port = intval(substr($host, $pos + 1));
$host = substr($host, 0, $pos);
}
if (($this->options & self::PERSISTENT) != 0)
$host = "p:".$host;
/** @var $connection \mysqli */
$connection = \mysqli_init();
if (!$connection)
throw new ConnectionException('Mysql init failed');
if (!empty($this->initCommand))
{
if (!$connection->options(MYSQLI_INIT_COMMAND, $this->initCommand))
throw new ConnectionException('Setting mysql init command failed');
}
if ($port > 0)
$r = $connection->real_connect($host, $this->login, $this->password, $this->database, $port);
else
$r = $connection->real_connect($host, $this->login, $this->password, $this->database);
if (!$r)
{
throw new ConnectionException(
'Mysql connect error ['.$this->host.']',
sprintf('(%s) %s', $connection->connect_errno, $connection->connect_error)
);
}
$this->resource = $connection;
$this->isConnected = true;
// nosql memcached driver
if (isset($this->configuration['memcache']))
{
$memcached = \Bitrix\Main\Application::getInstance()->getConnectionPool()->getConnection($this->configuration['memcache']);
mysqlnd_memcache_set($this->resource, $memcached->getResource());
}
$this->afterConnected();
}
/**
* Disconnects from the database.
* Does nothing if there was no connection established.
*
* @return void
*/
protected function disconnectInternal()
{
if (!$this->isConnected)
return;
$this->isConnected = false;
$con = $this->resource;
/** @var $con \mysqli */
$con->close();
}
/*********************************************************
* Query
*********************************************************/
/**
* Executes a query against connected database.
* Rises SqlQueryException on any database error.
* <p>
* When object $trackerQuery passed then calls its startQuery and finishQuery
* methods before and after query execution.
*
* @param string $sql Sql query.
* @param array $binds Array of binds.
* @param \Bitrix\Main\Diag\SqlTrackerQuery $trackerQuery Debug collector object.
*
* @return resource
* @throws \Bitrix\Main\Db\SqlQueryException
*/
protected function queryInternal($sql, array $binds = null, \Bitrix\Main\Diag\SqlTrackerQuery $trackerQuery = null)
{
$this->connectInternal();
if ($trackerQuery != null)
$trackerQuery->startQuery($sql, $binds);
/** @var $con \mysqli */
$con = $this->resource;
$result = $con->query($sql, MYSQLI_STORE_RESULT);
if ($trackerQuery != null)
$trackerQuery->finishQuery();
$this->lastQueryResult = $result;
if (!$result)
throw new SqlQueryException('Mysql query error', $this->getErrorMessage(), $sql);
return $result;
}
/**
* Returns database depended result of the query.
*
* @param resource $result Result of internal query function.
* @param \Bitrix\Main\Diag\SqlTrackerQuery $trackerQuery Debug collector object.
*
* @return Result
*/
protected function createResult($result, \Bitrix\Main\Diag\SqlTrackerQuery $trackerQuery = null)
{
return new MysqliResult($result, $this, $trackerQuery);
}
/**
* @return integer
*/
public function getInsertedId()
{
$con = $this->getResource();
/** @var $con \mysqli */
return $con->insert_id;
}
/**
* Returns affected rows count from last executed query.
*
* @return integer
*/
public function getAffectedRowsCount()
{
/** @var $con \mysqli */
$con = $this->getResource();
return $con->affected_rows;
}
/*********************************************************
* Type, version, cache, etc.
*********************************************************/
/**
* Returns database type.
* <ul>
* <li> mysql
* </ul>
*
* @return string
* @see \Bitrix\Main\DB\Connection::getType
*/
public function getType()
{
return "mysql";
}
/**
* Returns connected database version.
* Version presented in array of two elements.
* - First (with index 0) is database version.
* - Second (with index 1) is true when light/express version of database is used.
*
* @return array
* @throws \Bitrix\Main\Db\SqlQueryException
*/
public function getVersion()
{
if ($this->version == null)
{
$con = $this->getResource();
/** @var $con \mysqli */
$version = trim($con->server_info);
preg_match("#[0-9]+\\.[0-9]+\\.[0-9]+#", $version, $ar);
$this->version = $ar[0];
}
return array($this->version, null);
}
/**
* Returns error message of last failed database operation.
*
* @return string
*/
protected function getErrorMessage()
{
$con = $this->resource;
/** @var $con \mysqli */
return sprintf("(%s) %s", $con->errno, $con->error);
}
/**
* Selects the default database for database queries.
*
* @param string $database Database name.
* @return bool
*/
public function selectDatabase($database)
{
/** @var $con \mysqli */
$con = $this->resource;
return $con->select_db($database);
}
}
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