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<?php
namespace Doctrine\DBAL\Driver\IBMDB2;
use Doctrine\DBAL\Driver\Connection as ConnectionInterface;
use Doctrine\DBAL\Driver\IBMDB2\Exception\ConnectionError;
use Doctrine\DBAL\Driver\IBMDB2\Exception\ConnectionFailed;
use Doctrine\DBAL\Driver\IBMDB2\Exception\PrepareFailed;
use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
use Doctrine\DBAL\ParameterType;
use stdClass;
use function assert;
use function db2_autocommit;
use function db2_commit;
use function db2_conn_error;
use function db2_conn_errormsg;
use function db2_connect;
use function db2_escape_string;
use function db2_exec;
use function db2_last_insert_id;
use function db2_num_rows;
use function db2_pconnect;
use function db2_prepare;
use function db2_rollback;
use function db2_server_info;
use function error_get_last;
use function func_get_args;
use function is_bool;
use const DB2_AUTOCOMMIT_OFF;
use const DB2_AUTOCOMMIT_ON;
/**
* @deprecated Use {@link Connection} instead
*/
class DB2Connection implements ConnectionInterface, ServerInfoAwareConnection
{
/** @var resource */
private $conn = null;
/**
* @internal The connection can be only instantiated by its driver.
*
* @param mixed[] $params
* @param string $username
* @param string $password
* @param mixed[] $driverOptions
*
* @throws DB2Exception
*/
public function __construct(array $params, $username, $password, $driverOptions = [])
{
$isPersistent = (isset($params['persistent']) && $params['persistent'] === true);
if ($isPersistent) {
$conn = db2_pconnect($params['dbname'], $username, $password, $driverOptions);
} else {
$conn = db2_connect($params['dbname'], $username, $password, $driverOptions);
}
if ($conn === false) {
throw ConnectionFailed::new();
}
$this->conn = $conn;
}
/**
* {@inheritdoc}
*/
public function getServerVersion()
{
$serverInfo = db2_server_info($this->conn);
assert($serverInfo instanceof stdClass);
return $serverInfo->DBMS_VER;
}
/**
* {@inheritdoc}
*/
public function requiresQueryForServerVersion()
{
return false;
}
/**
* {@inheritdoc}
*/
public function prepare($sql)
{
$stmt = @db2_prepare($this->conn, $sql);
if ($stmt === false) {
throw PrepareFailed::new(error_get_last()['message']);
}
return new Statement($stmt);
}
/**
* {@inheritdoc}
*/
public function query()
{
$args = func_get_args();
$sql = $args[0];
$stmt = $this->prepare($sql);
$stmt->execute();
return $stmt;
}
/**
* {@inheritdoc}
*/
public function quote($value, $type = ParameterType::STRING)
{
$value = db2_escape_string($value);
if ($type === ParameterType::INTEGER) {
return $value;
}
return "'" . $value . "'";
}
/**
* {@inheritdoc}
*/
public function exec($sql)
{
$stmt = @db2_exec($this->conn, $sql);
if ($stmt === false) {
throw ConnectionError::new($this->conn);
}
return db2_num_rows($stmt);
}
/**
* {@inheritdoc}
*/
public function lastInsertId($name = null)
{
return db2_last_insert_id($this->conn);
}
/**
* {@inheritdoc}
*/
public function beginTransaction()
{
$result = db2_autocommit($this->conn, DB2_AUTOCOMMIT_OFF);
assert(is_bool($result));
return $result;
}
/**
* {@inheritdoc}
*/
public function commit()
{
if (! db2_commit($this->conn)) {
throw ConnectionError::new($this->conn);
}
$result = db2_autocommit($this->conn, DB2_AUTOCOMMIT_ON);
assert(is_bool($result));
return $result;
}
/**
* {@inheritdoc}
*/
public function rollBack()
{
if (! db2_rollback($this->conn)) {
throw ConnectionError::new($this->conn);
}
$result = db2_autocommit($this->conn, DB2_AUTOCOMMIT_ON);
assert(is_bool($result));
return $result;
}
/**
* {@inheritdoc}
*
* @deprecated The error information is available via exceptions.
*/
public function errorCode()
{
return db2_conn_error($this->conn);
}
/**
* {@inheritdoc}
*
* @deprecated The error information is available via exceptions.
*/
public function errorInfo()
{
return [
0 => db2_conn_errormsg($this->conn),
1 => $this->errorCode(),
];
}
}