MysqliConnection::getSequenceNumber() - Code Metrics - Inspection of "Extract getSequenceNumber() from lastInsertId()" - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Pull Request — master (#3759)

by Benjamin

created 2019-12-06 09:04 UTC

MysqliConnection::getSequenceNumber() A

↳ Parent: MysqliConnection

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
eloc	1
dl	0
loc	3
ccs	0
cts	0
cp	0
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	1
crap	2

<?php

declare(strict_types=1);

namespace Doctrine\DBAL\Driver\Mysqli;

use Doctrine\DBAL\Driver\Mysqli\Exception\ConnectionError;
use Doctrine\DBAL\Driver\PingableConnection;
use Doctrine\DBAL\Driver\ResultStatement;
use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
use Doctrine\DBAL\Driver\Statement as DriverStatement;
use mysqli;
use const MYSQLI_INIT_COMMAND;
use const MYSQLI_OPT_CONNECT_TIMEOUT;
use const MYSQLI_OPT_LOCAL_INFILE;
use const MYSQLI_READ_DEFAULT_FILE;
use const MYSQLI_READ_DEFAULT_GROUP;
use const MYSQLI_SERVER_PUBLIC_KEY;
use function defined;
use function floor;
use function in_array;
use function ini_get;
use function mysqli_init;
use function mysqli_options;
use function restore_error_handler;
use function set_error_handler;
use function sprintf;
use function stripos;

class MysqliConnection implements PingableConnection, ServerInfoAwareConnection
{
    /**
     * Name of the option to set connection flags
     */
    public const OPTION_FLAGS = 'flags';

    /** @var mysqli */
    private $conn;

    /**
     * @param array<string, mixed> $params
     * @param array<int, mixed>    $driverOptions
     *
     * @throws MysqliException
     */
    public function __construct(array $params, string $username, string $password, array $driverOptions = [])
    {
        $port = $params['port'] ?? (int) ini_get('mysqli.default_port');

        // Fallback to default MySQL port if not given.
        if (! $port) {
            $port = 3306;
        }

        $socket = $params['unix_socket'] ?? ini_get('mysqli.default_socket');
        $dbname = $params['dbname'] ?? '';
        $host   = $params['host'];

        if (! empty($params['persistent'])) {
            $host = 'p:' . $host;
        }

        $flags = $driverOptions[static::OPTION_FLAGS] ?? 0;

        $this->conn = mysqli_init();

        $this->setSecureConnection($params);
        $this->setDriverOptions($driverOptions);

        set_error_handler(static function () : bool {
            return true;
        });
        try {
            if (! $this->conn->real_connect($host, $username, $password, $dbname, $port, $socket, $flags)) {
                throw ConnectionError::new($this->conn);
            }
        } finally {
            restore_error_handler();
        }

        if (! isset($params['charset'])) {
            return;
        }

        $this->conn->set_charset($params['charset']);
    }

    /**
     * Retrieves mysqli native resource handle.
     *
     * Could be used if part of your application is not using DBAL.
     */
    public function getWrappedResourceHandle() : mysqli
    {
        return $this->conn;
    }

    /**
     * {@inheritdoc}
     *
     * The server version detection includes a special case for MariaDB
     * to support '5.5.5-' prefixed versions introduced in Maria 10+
     *
     * @link https://jira.mariadb.org/browse/MDEV-4088
     */
    public function getServerVersion() : string
    {
        $serverInfos = $this->conn->get_server_info();
        if (stripos($serverInfos, 'mariadb') !== false) {
            return $serverInfos;
        }

        $majorVersion = floor($this->conn->server_version / 10000);
        $minorVersion = floor(($this->conn->server_version - $majorVersion * 10000) / 100);
        $patchVersion = floor($this->conn->server_version - $majorVersion * 10000 - $minorVersion * 100);

        return $majorVersion . '.' . $minorVersion . '.' . $patchVersion;
    }

    /**
     * {@inheritdoc}
     */
    public function requiresQueryForServerVersion() : bool
    {
        return false;
    }

    /**
     * {@inheritdoc}
     */
    public function prepare(string $sql) : DriverStatement
    {
        return new MysqliStatement($this->conn, $sql);
    }

    /**
     * {@inheritdoc}
     */
    public function query(string $sql) : ResultStatement
    {
        $stmt = $this->prepare($sql);
        $stmt->execute();

        return $stmt;
    }

    /**
     * {@inheritdoc}
     */
    public function quote(string $input) : string
    {
        return "'" . $this->conn->escape_string($input) . "'";
    }

    /**
     * {@inheritdoc}
     */
    public function exec(string $statement) : int
    {
        if ($this->conn->query($statement) === false) {
            throw ConnectionError::new($this->conn);
        }

        return $this->conn->affected_rows;
    }

    /**
     * {@inheritdoc}
     */
    public function lastInsertId()
    {
        $lastInsertId = $this->conn->insert_id;

        if ($lastInsertId === 0 || $lastInsertId === '0') {
            throw new MysqliException('No identity value was generated by the last statement.');
        }

        return $lastInsertId;
    }

    /**
     * {@inheritdoc}
     */
    public function getSequenceNumber(string $name)
    {
        throw new MysqliException('MySQL does not support sequences.');
    }

    /**
     * {@inheritdoc}
     */
    public function beginTransaction() : void
    {
        $this->conn->query('START TRANSACTION');
    }

    /**
     * {@inheritdoc}
     */
    public function commit() : void
    {
        if (! $this->conn->commit()) {
            throw ConnectionError::new($this->conn);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function rollBack() : void
    {
        if (! $this->conn->rollback()) {
            throw ConnectionError::new($this->conn);
        }
    }

    /**
     * Apply the driver options to the connection.
     *
     * @param array<int, mixed> $driverOptions
     *
     * @throws MysqliException When one of of the options is not supported.
     * @throws MysqliException When applying doesn't work - e.g. due to incorrect value.
     */
    private function setDriverOptions(array $driverOptions = []) : void
    {
        $supportedDriverOptions = [
            MYSQLI_OPT_CONNECT_TIMEOUT,
            MYSQLI_OPT_LOCAL_INFILE,
            MYSQLI_INIT_COMMAND,
            MYSQLI_READ_DEFAULT_FILE,
            MYSQLI_READ_DEFAULT_GROUP,
        ];

        if (defined('MYSQLI_SERVER_PUBLIC_KEY')) {
            $supportedDriverOptions[] = MYSQLI_SERVER_PUBLIC_KEY;
        }

        $exceptionMsg = "%s option '%s' with value '%s'";

        foreach ($driverOptions as $option => $value) {
            if ($option === static::OPTION_FLAGS) {
                continue;
            }

            if (! in_array($option, $supportedDriverOptions, true)) {
                throw new MysqliException(
                    sprintf($exceptionMsg, 'Unsupported', $option, $value)
                );
            }

            if (@mysqli_options($this->conn, $option, $value)) {
                continue;
            }

            throw ConnectionError::new($this->conn);
        }
    }

    /**
     * Pings the server and re-connects when `mysqli.reconnect = 1`
     *
     * {@inheritDoc}
     */
    public function ping() : void
    {
        if (! $this->conn->ping()) {
            throw new MysqliException($this->conn->error, $this->conn->sqlstate, $this->conn->errno);
        }
    }

    /**
     * Establish a secure connection
     *
     * @param array<string, mixed> $params
     *
     * @throws MysqliException
     */
    private function setSecureConnection(array $params) : void
    {
        if (! isset($params['ssl_key']) &&
            ! isset($params['ssl_cert']) &&
            ! isset($params['ssl_ca']) &&
            ! isset($params['ssl_capath']) &&
            ! isset($params['ssl_cipher'])
        ) {
            return;
        }

        $this->conn->ssl_set(
            $params['ssl_key']    ?? null,
            $params['ssl_cert']   ?? null,
            $params['ssl_ca']     ?? null,
            $params['ssl_capath'] ?? null,
            $params['ssl_cipher'] ?? null
        );
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Doctrine\DBAL\Driver\Mysqli;
6
7		use Doctrine\DBAL\Driver\Mysqli\Exception\ConnectionError;
8		use Doctrine\DBAL\Driver\PingableConnection;
9		use Doctrine\DBAL\Driver\ResultStatement;
10		use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
11		use Doctrine\DBAL\Driver\Statement as DriverStatement;
12		use mysqli;
13		use const MYSQLI_INIT_COMMAND;
14		use const MYSQLI_OPT_CONNECT_TIMEOUT;
15		use const MYSQLI_OPT_LOCAL_INFILE;
16		use const MYSQLI_READ_DEFAULT_FILE;
17		use const MYSQLI_READ_DEFAULT_GROUP;
18		use const MYSQLI_SERVER_PUBLIC_KEY;
19		use function defined;
20		use function floor;
21		use function in_array;
22		use function ini_get;
23		use function mysqli_init;
24		use function mysqli_options;
25		use function restore_error_handler;
26		use function set_error_handler;
27		use function sprintf;
28		use function stripos;
29
30		class MysqliConnection implements PingableConnection, ServerInfoAwareConnection
31		{
32		/**
33		* Name of the option to set connection flags
34		*/
35		public const OPTION_FLAGS = 'flags';
36
37		/** @var mysqli */
38		private $conn;
39
40		/**
41		* @param array<string, mixed> $params
42		* @param array<int, mixed> $driverOptions
43		*
44		* @throws MysqliException
45		*/
46		public function __construct(array $params, string $username, string $password, array $driverOptions = [])
47		{
48	1990	$port = $params['port'] ?? (int) ini_get('mysqli.default_port');
49
50	1990	// Fallback to default MySQL port if not given.
51		if (! $port) {
52		$port = 3306;
53	1990	}
54
55		$socket = $params['unix_socket'] ?? ini_get('mysqli.default_socket');
56		$dbname = $params['dbname'] ?? '';
57	1990	$host = $params['host'];
58	1990
59		if (! empty($params['persistent'])) {
60	1990	$host = 'p:' . $host;
61		}
62	1990
63		$flags = $driverOptions[static::OPTION_FLAGS] ?? 0;
64	1990
65	1990	$this->conn = mysqli_init();
66
67		$this->setSecureConnection($params);
68	1990	$this->setDriverOptions($driverOptions);
69
70	1990	set_error_handler(static function () : bool {
71	1983	return true;
72		});
73	1983	try {
74	1990	if (! $this->conn->real_connect($host, $username, $password, $dbname, $port, $socket, $flags)) {
75		throw ConnectionError::new($this->conn);
76		}
77	1983	} finally {
78	1983	restore_error_handler();
79		}
80
81	1312	if (! isset($params['charset'])) {
82	1312	return;
83		}
84
85		$this->conn->set_charset($params['charset']);
86		}
87
88		/**
89		* Retrieves mysqli native resource handle.
90		*
91		* Could be used if part of your application is not using DBAL.
92		*/
93		public function getWrappedResourceHandle() : mysqli
94		{
95		return $this->conn;
96		}
97
98		/**
99		* {@inheritdoc}
100		*
101		* The server version detection includes a special case for MariaDB
102		* to support '5.5.5-' prefixed versions introduced in Maria 10+
103		*
104	1983	* @link https://jira.mariadb.org/browse/MDEV-4088
105		*/
106	1983	public function getServerVersion() : string
107	1983	{
108	1130	$serverInfos = $this->conn->get_server_info();
109		if (stripos($serverInfos, 'mariadb') !== false) {
110		return $serverInfos;
111	853	}
112	853
113	853	$majorVersion = floor($this->conn->server_version / 10000);
114		$minorVersion = floor(($this->conn->server_version - $majorVersion * 10000) / 100);
115	853	$patchVersion = floor($this->conn->server_version - $majorVersion * 10000 - $minorVersion * 100);
116
117		return $majorVersion . '.' . $minorVersion . '.' . $patchVersion;
118		}
119
120		/**
121	1997	* {@inheritdoc}
122		*/
123	1997	public function requiresQueryForServerVersion() : bool
124		{
125		return false;
126		}
127
128		/**
129	1969	* {@inheritdoc}
130		*/
131	1969	public function prepare(string $sql) : DriverStatement
132		{
133		return new MysqliStatement($this->conn, $sql);
134		}
135
136		/**
137	1962	* {@inheritdoc}
138		*/
139	1962	public function query(string $sql) : ResultStatement
140	1962	{
141	1962	$stmt = $this->prepare($sql);
142	1962	$stmt->execute();
143
144	1962	return $stmt;
145		}
146
147		/**
148		* {@inheritdoc}
149		*/
150	1850	public function quote(string $input) : string
151		{
152	1850	return "'" . $this->conn->escape_string($input) . "'";
153		}
154
155		/**
156		* {@inheritdoc}
157		*/
158	1983	public function exec(string $statement) : int
159		{
160	1983	if ($this->conn->query($statement) === false) {
161	1969	throw ConnectionError::new($this->conn);
162		}
163
164	1983	return $this->conn->affected_rows;
165		}
166
167		/**
168		* {@inheritdoc}
169		*/
170	49	public function lastInsertId()
171		{
172	49	$lastInsertId = $this->conn->insert_id;
173
174		if ($lastInsertId === 0 \|\| $lastInsertId === '0') {
175		throw new MysqliException('No identity value was generated by the last statement.');
176		}
177
178	1920	return $lastInsertId;
179		}
180	1920
181		/**
182	1920	* {@inheritdoc}
183		*/
184		public function getSequenceNumber(string $name)
185		{
186		throw new MysqliException('MySQL does not support sequences.');
187		}
188	1899
189		/**
190	1899	* {@inheritdoc}
191		*/
192		public function beginTransaction() : void
193		{
194		$this->conn->query('START TRANSACTION');
195		}
196	1920
197		/**
198	1920	* {@inheritdoc}
199		*/
200		public function commit() : void
201		{
202		if (! $this->conn->commit()) {
203		throw ConnectionError::new($this->conn);
204		}
205		}
206
207		/**
208		* {@inheritdoc}
209		*/
210		public function rollBack() : void
211		{
212		if (! $this->conn->rollback()) {
213		throw ConnectionError::new($this->conn);
214		}
215		}
216
217		/**
218		* Apply the driver options to the connection.
219		*
220		* @param array<int, mixed> $driverOptions
221		*
222		* @throws MysqliException When one of of the options is not supported.
223		* @throws MysqliException When applying doesn't work - e.g. due to incorrect value.
224		*/
225	1990	private function setDriverOptions(array $driverOptions = []) : void
226		{
227		$supportedDriverOptions = [
228	1990	MYSQLI_OPT_CONNECT_TIMEOUT,
229		MYSQLI_OPT_LOCAL_INFILE,
230		MYSQLI_INIT_COMMAND,
231		MYSQLI_READ_DEFAULT_FILE,
232		MYSQLI_READ_DEFAULT_GROUP,
233		];
234
235	1990	if (defined('MYSQLI_SERVER_PUBLIC_KEY')) {
236	1990	$supportedDriverOptions[] = MYSQLI_SERVER_PUBLIC_KEY;
237		}
238
239	1990	$exceptionMsg = "%s option '%s' with value '%s'";
240
241	1990	foreach ($driverOptions as $option => $value) {
242	1472	if ($option === static::OPTION_FLAGS) {
243		continue;
244		}
245
246	1472	if (! in_array($option, $supportedDriverOptions, true)) {
247	1465	throw new MysqliException(
248	1465	sprintf($exceptionMsg, 'Unsupported', $option, $value)
249		);
250		}
251
252	1472	if (@mysqli_options($this->conn, $option, $value)) {
253	1472	continue;
254		}
255
256		throw ConnectionError::new($this->conn);
257		}
258		}
259
260		/**
261		* Pings the server and re-connects when `mysqli.reconnect = 1`
262		*
263		* {@inheritDoc}
264		*/
265	1990	public function ping() : void
266		{
267		if (! $this->conn->ping()) {
268		throw new MysqliException($this->conn->error, $this->conn->sqlstate, $this->conn->errno);
269		}
270		}
271
272	1843	/**
273		* Establish a secure connection
274	1843	*
275		* @param array<string, mixed> $params
276		*
277		* @throws MysqliException
278		*/
279		private function setSecureConnection(array $params) : void
280		{
281		if (! isset($params['ssl_key']) &&
282		! isset($params['ssl_cert']) &&
283		! isset($params['ssl_ca']) &&
284	1990	! isset($params['ssl_capath']) &&
285		! isset($params['ssl_cipher'])
286	1990	) {
287	1990	return;
288	1990	}
289	1990
290	1990	$this->conn->ssl_set(
291		$params['ssl_key'] ?? null,
292	1990	$params['ssl_cert'] ?? null,
293		$params['ssl_ca'] ?? null,
294		$params['ssl_capath'] ?? null,
295		$params['ssl_cipher'] ?? null
296		);
297		}
298		}
299

doctrine / dbal

Pull Request — master (#3759)

MysqliConnection::getSequenceNumber() A

Complexity

Size

Duplication

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