CI_DB_mysqli_driver::version() - Code Metrics - rrcfesc/codeignitercoredatabase - Measure and Improve Code Quality continuously with Scrutinizer

CI_DB_mysqli_driver::version() A
last analyzed 2018-02-25 06:41 UTC

↳ Parent: CI_DB_mysqli_driver

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	3
nc	2
nop	0
dl	0
loc	8
rs	9.4285
c	0
b	0
f	0

<?php
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2014 - 2017, British Columbia Institute of Technology
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @package	CodeIgniter
 * @author	EllisLab Dev Team
 * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
 * @copyright	Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
 * @license	http://opensource.org/licenses/MIT	MIT License
 * @link	https://codeigniter.com
 * @since	Version 1.3.0
 * @filesource
 */
namespace Rioxygen\CiCoreDatabase\Mysql;

use Rioxygen\CiCoreDatabase\CI_DB_driver;
use \stdClass;

/**
 * MySQLi Database Adapter Class
 *
 * Note: _DB is an extender class that the app controller
 * creates dynamically based on whether the query builder
 * class is being used or not.
 *
 * @package		CodeIgniter
 * @subpackage	Drivers
 * @category	Database
 * @author		EllisLab Dev Team
 * @link		https://codeigniter.com/user_guide/database/
 */
class CI_DB_mysqli_driver extends CI_DB_driver {
    /**
     * Database driver
     *
     * @var string
     */
    public $dbdriver = 'mysqli';
    /**
     * Compression flag
     *
     * @var bool
     */
    public $compress = FALSE;
    /**
     * DELETE hack flag
     *
     * Whether to use the MySQL "delete hack" which allows the number
     * of affected rows to be shown. Uses a preg_replace when enabled,
     * adding a bit more processing to all queries.
     *
     * @var bool
     */
    public $delete_hack = TRUE;
    /**
     * Strict ON flag
     *
     * Whether we're running in strict SQL mode.
     *
     * @var bool
     */
    public $stricton;
    /**
     * Identifier escape character
     *
     * @var string
     */
    protected $_escape_char = '`';
    /**
     * MySQLi object

     *
     * Has to be preserved without being assigned to $conn_id.
     *
     * @var MySQLi
     */
    protected $_mysqli;
    /**
     * 
     * @param array $params
     */
    public function __construct(array $params)
    {
        parent::__construct($params);
    }

    /**
     * Database connection
     *
     * @param	bool	$persistent
     * @return	object
     **/
    public function db_connect($persistent = FALSE)
    {
		// Do we have a socket path?
		if ($this->hostname[0] === '/')
		{
			$hostname = NULL;
			$port = NULL;
			$socket = $this->hostname;
		}
		else
		{
			$hostname = ($persistent === TRUE)
				? 'p:'.$this->hostname : $this->hostname;
			$port = empty($this->port) ? NULL : $this->port;
			$socket = NULL;
		}

		$client_flags = ($this->compress === TRUE) ? MYSQLI_CLIENT_COMPRESS : 0;
		$this->_mysqli = mysqli_init();


		$this->_mysqli->options(MYSQLI_OPT_CONNECT_TIMEOUT, 10);

		if (isset($this->stricton))
		{
			if ($this->stricton)
			{
				$this->_mysqli->options(MYSQLI_INIT_COMMAND, 'SET SESSION sql_mode = CONCAT(@@sql_mode, ",", "STRICT_ALL_TABLES")');
			}
			else
			{
				$this->_mysqli->options(MYSQLI_INIT_COMMAND,
					'SET SESSION sql_mode =
					REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
					@@sql_mode,
					"STRICT_ALL_TABLES,", ""),
					",STRICT_ALL_TABLES", ""),
					"STRICT_ALL_TABLES", ""),
					"STRICT_TRANS_TABLES,", ""),
					",STRICT_TRANS_TABLES", ""),
					"STRICT_TRANS_TABLES", "")'
				);
			}
		}

		if (is_array($this->encrypt))
		{
			$ssl = array();
			empty($this->encrypt['ssl_key'])    OR $ssl['key']    = $this->encrypt['ssl_key'];
			empty($this->encrypt['ssl_cert'])   OR $ssl['cert']   = $this->encrypt['ssl_cert'];
			empty($this->encrypt['ssl_ca'])     OR $ssl['ca']     = $this->encrypt['ssl_ca'];
			empty($this->encrypt['ssl_capath']) OR $ssl['capath'] = $this->encrypt['ssl_capath'];
			empty($this->encrypt['ssl_cipher']) OR $ssl['cipher'] = $this->encrypt['ssl_cipher'];

			if ( ! empty($ssl))
			{
				if (isset($this->encrypt['ssl_verify']))
				{
					if ($this->encrypt['ssl_verify'])
					{
						defined('MYSQLI_OPT_SSL_VERIFY_SERVER_CERT') && $this->_mysqli->options(MYSQLI_OPT_SSL_VERIFY_SERVER_CERT, TRUE);
					}
					// Apparently (when it exists), setting MYSQLI_OPT_SSL_VERIFY_SERVER_CERT
					// to FALSE didn't do anything, so PHP 5.6.16 introduced yet another
					// constant ...
					//
					// https://secure.php.net/ChangeLog-5.php#5.6.16
					// https://bugs.php.net/bug.php?id=68344
					elseif (defined('MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT'))
					{
						$client_flags |= MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT;
					}
				}

				$client_flags |= MYSQLI_CLIENT_SSL;
				$this->_mysqli->ssl_set(
					isset($ssl['key'])    ? $ssl['key']    : NULL,
					isset($ssl['cert'])   ? $ssl['cert']   : NULL,
					isset($ssl['ca'])     ? $ssl['ca']     : NULL,
					isset($ssl['capath']) ? $ssl['capath'] : NULL,
					isset($ssl['cipher']) ? $ssl['cipher'] : NULL
				);
			}
		}

		if ($this->_mysqli->real_connect($hostname, $this->username, $this->password, $this->database, $port, $socket, $client_flags))
		{
			// Prior to version 5.7.3, MySQL silently downgrades to an unencrypted connection if SSL setup fails
			if (
				($client_flags & MYSQLI_CLIENT_SSL)
				&& version_compare($this->_mysqli->client_info, '5.7.3', '<=')
				&& empty($this->_mysqli->query("SHOW STATUS LIKE 'ssl_cipher'")->fetch_object()->Value)
			)
			{
				$this->_mysqli->close();
				$message = 'MySQLi was configured for an SSL connection, but got an unencrypted connection instead!';
				return ($this->db_debug) ? $this->display_error($message, '', TRUE) : FALSE;

			}

			return $this->_mysqli;
		}

		return FALSE;

    }

	// --------------------------------------------------------------------

    /**
     * Reconnect
     * Keep / reestablish the db connection if no queries have been
     * sent for a length of time exceeding the server's idle timeout
     * @return void
     */
    public function reconnect()
    {
        if ($this->conn_id !== FALSE && $this->conn_id->ping() === FALSE) {
            $this->conn_id = FALSE;

        }
    }
	/**
	 * Select the database
	 *
	 * @param	string	$database
	 * @return	bool
	 */
	public function db_select($database = '')
	{
		if ($database === '')
		{
			$database = $this->database;
		}

		if ($this->conn_id->select_db($database))
		{
			$this->database = $database;
			$this->data_cache = array();
			return TRUE;
		}

		return FALSE;
	}

	// --------------------------------------------------------------------

	/**
	 * Set client character set
	 *
	 * @param	string	$charset
	 * @return	bool
	 */
	protected function _db_set_charset($charset)
	{
		return $this->conn_id->set_charset($charset);
	}

	// --------------------------------------------------------------------

	/**
	 * Database version number
	 *
	 * @return	string
	 */
	public function version()
	{
		if (isset($this->data_cache['version']))
		{
			return $this->data_cache['version'];
		}

		return $this->data_cache['version'] = $this->conn_id->server_info;
	}

	// --------------------------------------------------------------------

	/**
	 * Execute the query
	 *
	 * @param	string	$sql	an SQL query
	 * @return	mixed
	 */
	protected function _execute($sql)
	{
		return $this->conn_id->query($this->_prep_query($sql));
	}

	// --------------------------------------------------------------------

    /**
     * Prep the query
     *
     * If needed, each database adapter can prep the query string
     *
     * @param   string $sql an SQL query
     * @return  string
     */
    protected function _prep_query($sql)
    {
        // mysqli_affected_rows() returns 0 for "DELETE FROM TABLE" queries. This hack
        // modifies the query so that it a proper number of affected rows is returned.
        if ($this->delete_hack === TRUE && preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql)) {
                return trim($sql).' WHERE 1=1';
        }
        return $sql;
    }
    /**
     * Begin Transaction
     *
     * @return bool
     */
    protected function _trans_begin()
    {
        $this->conn_id->autocommit(FALSE);
        return  $this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
    }

	// --------------------------------------------------------------------

	/**
	 * Commit Transaction
	 *
	 * @return	bool
	 */
	protected function _trans_commit()
	{
		if ($this->conn_id->commit())
		{
			$this->conn_id->autocommit(TRUE);
			return TRUE;
		}

		return FALSE;
	}

	// --------------------------------------------------------------------

	/**
	 * Rollback Transaction
	 *
	 * @return	bool
	 */
	protected function _trans_rollback()
	{
		if ($this->conn_id->rollback())
		{
			$this->conn_id->autocommit(TRUE);
			return TRUE;
		}

		return FALSE;
	}

	// --------------------------------------------------------------------

	/**
	 * Platform-dependent string escape
	 *
	 * @param	string
	 * @return	string
	 */
	protected function _escape_str($str)
	{
		return $this->conn_id->real_escape_string($str);
	}

	// --------------------------------------------------------------------

	/**
	 * Affected Rows
	 *
	 * @return	int
	 */
	public function affected_rows()
	{
		return $this->conn_id->affected_rows;
	}

	// --------------------------------------------------------------------

	/**
	 * Insert ID
	 *
	 * @return	int
	 */
	public function insert_id()
	{
		return $this->conn_id->insert_id;
	}

	// --------------------------------------------------------------------

	/**
	 * List table query
	 *
	 * Generates a platform-specific query string so that the table names can be fetched
	 *
	 * @param	bool	$prefix_limit
	 * @return	string
	 */
	protected function _list_tables($prefix_limit = FALSE)
	{
		$sql = 'SHOW TABLES FROM '.$this->escape_identifiers($this->database);

		if ($prefix_limit !== FALSE && $this->dbprefix !== '')
		{
			return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
		}

		return $sql;
	}

	// --------------------------------------------------------------------

	/**
	 * Show column query
	 *
	 * Generates a platform-specific query string so that the column names can be fetched
	 *
	 * @param	string	$table
	 * @return	string
	 */
	protected function _list_columns($table = '')
	{
		return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
	}

	// --------------------------------------------------------------------

	/**
	 * Returns an object with field data
	 *
	 * @param	string	$table
	 * @return	array
	 */
	public function field_data($table)
	{
		if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE)
		{
			return FALSE;

		}
		$query = $query->result_object();

		$retval = array();
		for ($i = 0, $c = count($query); $i < $c; $i++)
		{
			$retval[$i]			= new stdClass();
			$retval[$i]->name		= $query[$i]->Field;

			sscanf($query[$i]->Type, '%[a-z](%d)',
				$retval[$i]->type,
				$retval[$i]->max_length
			);

			$retval[$i]->default		= $query[$i]->Default;
			$retval[$i]->primary_key	= (int) ($query[$i]->Key === 'PRI');
		}

		return $retval;
	}

	// --------------------------------------------------------------------

	/**
	 * Error
	 *
	 * Returns an array containing code and message of the last
	 * database error that has occurred.
	 *
	 * @return	array
	 */
	public function error()
	{
		if ( ! empty($this->_mysqli->connect_errno))
		{
			return array(
				'code'    => $this->_mysqli->connect_errno,
				'message' => $this->_mysqli->connect_error
			);
		}

		return array('code' => $this->conn_id->errno, 'message' => $this->conn_id->error);
	}

	// --------------------------------------------------------------------

	/**
	 * FROM tables
	 *
	 * Groups tables in FROM clauses if needed, so there is no confusion
	 * about operator precedence.
	 *
	 * @return	string
	 */
	protected function _from_tables()
	{
		if ( ! empty($this->qb_join) && count($this->qb_from) > 1)

		{
			return '('.implode(', ', $this->qb_from).')';
		}

		return implode(', ', $this->qb_from);
	}

	// --------------------------------------------------------------------

	/**
	 * Close DB Connection
	 *
	 * @return	void
	 */
	protected function _close()
	{
		$this->conn_id->close();
	}

}


1			<?php
2			/**
3			* CodeIgniter
4			*
5			* An open source application development framework for PHP
6			*
7			* This content is released under the MIT License (MIT)
8			*
9			* Copyright (c) 2014 - 2017, British Columbia Institute of Technology
10			*
11			* Permission is hereby granted, free of charge, to any person obtaining a copy
12			* of this software and associated documentation files (the "Software"), to deal
13			* in the Software without restriction, including without limitation the rights
14			* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15			* copies of the Software, and to permit persons to whom the Software is
16			* furnished to do so, subject to the following conditions:
17			*
18			* The above copyright notice and this permission notice shall be included in
19			* all copies or substantial portions of the Software.
20			*
21			* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22			* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23			* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24			* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25			* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26			* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27			* THE SOFTWARE.
28			*
29			* @package CodeIgniter
30			* @author EllisLab Dev Team
31			* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
32			* @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/)
33			* @license http://opensource.org/licenses/MIT MIT License
34			* @link https://codeigniter.com
35			* @since Version 1.3.0
36			* @filesource
37			*/
38			namespace Rioxygen\CiCoreDatabase\Mysql;
39
40			use Rioxygen\CiCoreDatabase\CI_DB_driver;
41			use \stdClass;
42
43			/**
44			* MySQLi Database Adapter Class
45			*
46			* Note: _DB is an extender class that the app controller
47			* creates dynamically based on whether the query builder
48			* class is being used or not.
49			*
50			* @package CodeIgniter
51			* @subpackage Drivers
52			* @category Database
53			* @author EllisLab Dev Team
54			* @link https://codeigniter.com/user_guide/database/
55			*/
56			class CI_DB_mysqli_driver extends CI_DB_driver {
57			/**
58			* Database driver
59			*
60			* @var string
61			*/
62			public $dbdriver = 'mysqli';
63			/**
64			* Compression flag
65			*
66			* @var bool
67			*/
68			public $compress = FALSE;
69			/**
70			* DELETE hack flag
71			*
72			* Whether to use the MySQL "delete hack" which allows the number
73			* of affected rows to be shown. Uses a preg_replace when enabled,
74			* adding a bit more processing to all queries.
75			*
76			* @var bool
77			*/
78			public $delete_hack = TRUE;
79			/**
80			* Strict ON flag
81			*
82			* Whether we're running in strict SQL mode.
83			*
84			* @var bool
85			*/
86			public $stricton;
87			/**
88			* Identifier escape character
89			*
90			* @var string
91			*/
92			protected $_escape_char = '`';
93			/**
94			* MySQLi object
			0 ignored issues – show Bug introduced 2017-12-08 23:54 UTC by Report Bug Copy Issue Report The type `Rioxygen\CiCoreDatabase\Mysql\MySQLi` was not found. Did you mean `MySQLi`? If so, make sure to prefix the type with `\`. Loading history...
95			*
96			* Has to be preserved without being assigned to $conn_id.
97			*
98			* @var MySQLi
99			*/
100			protected $_mysqli;
101			/**
102			*
103			* @param array $params
104			*/
105			public function __construct(array $params)
106			{
107			parent::__construct($params);
108			}
109
110			/**
111			* Database connection
112			*
113			* @param bool $persistent
114			* @return object
115			**/
116			public function db_connect($persistent = FALSE)
117			{
118			// Do we have a socket path?
119			if ($this->hostname[0] === '/')
120			{
121			$hostname = NULL;
122			$port = NULL;
123			$socket = $this->hostname;
124			}
125			else
126			{
127			$hostname = ($persistent === TRUE)
128			? 'p:'.$this->hostname : $this->hostname;
129			$port = empty($this->port) ? NULL : $this->port;
130			$socket = NULL;
131			}
132
133			$client_flags = ($this->compress === TRUE) ? MYSQLI_CLIENT_COMPRESS : 0;
134			$this->_mysqli = mysqli_init();
			0 ignored issues – show Documentation Bug introduced 2017-12-08 23:21 UTC by Report Bug Copy Issue Report It seems like `mysqli_init()` of type `mysqli` is incompatible with the declared type `Rioxygen\CiCoreDatabase\Mysql\MySQLi` of property `$_mysqli`. Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.. Loading history...
135
136			$this->_mysqli->options(MYSQLI_OPT_CONNECT_TIMEOUT, 10);
137
138			if (isset($this->stricton))
139			{
140			if ($this->stricton)
141			{
142			$this->_mysqli->options(MYSQLI_INIT_COMMAND, 'SET SESSION sql_mode = CONCAT(@@sql_mode, ",", "STRICT_ALL_TABLES")');
143			}
144			else
145			{
146			$this->_mysqli->options(MYSQLI_INIT_COMMAND,
147			'SET SESSION sql_mode =
148			REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
149			@@sql_mode,
150			"STRICT_ALL_TABLES,", ""),
151			",STRICT_ALL_TABLES", ""),
152			"STRICT_ALL_TABLES", ""),
153			"STRICT_TRANS_TABLES,", ""),
154			",STRICT_TRANS_TABLES", ""),
155			"STRICT_TRANS_TABLES", "")'
156			);
157			}
158			}
159
160			if (is_array($this->encrypt))
161			{
162			$ssl = array();
163			empty($this->encrypt['ssl_key']) OR $ssl['key'] = $this->encrypt['ssl_key'];
164			empty($this->encrypt['ssl_cert']) OR $ssl['cert'] = $this->encrypt['ssl_cert'];
165			empty($this->encrypt['ssl_ca']) OR $ssl['ca'] = $this->encrypt['ssl_ca'];
166			empty($this->encrypt['ssl_capath']) OR $ssl['capath'] = $this->encrypt['ssl_capath'];
167			empty($this->encrypt['ssl_cipher']) OR $ssl['cipher'] = $this->encrypt['ssl_cipher'];
168
169			if ( ! empty($ssl))
170			{
171			if (isset($this->encrypt['ssl_verify']))
172			{
173			if ($this->encrypt['ssl_verify'])
174			{
175			defined('MYSQLI_OPT_SSL_VERIFY_SERVER_CERT') && $this->_mysqli->options(MYSQLI_OPT_SSL_VERIFY_SERVER_CERT, TRUE);
176			}
177			// Apparently (when it exists), setting MYSQLI_OPT_SSL_VERIFY_SERVER_CERT
178			// to FALSE didn't do anything, so PHP 5.6.16 introduced yet another
179			// constant ...
180			//
181			// https://secure.php.net/ChangeLog-5.php#5.6.16
182			// https://bugs.php.net/bug.php?id=68344
183			elseif (defined('MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT'))
184			{
185			$client_flags \|= MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT;
186			}
187			}
188
189			$client_flags \|= MYSQLI_CLIENT_SSL;
190			$this->_mysqli->ssl_set(
191			isset($ssl['key']) ? $ssl['key'] : NULL,
192			isset($ssl['cert']) ? $ssl['cert'] : NULL,
193			isset($ssl['ca']) ? $ssl['ca'] : NULL,
194			isset($ssl['capath']) ? $ssl['capath'] : NULL,
195			isset($ssl['cipher']) ? $ssl['cipher'] : NULL
196			);
197			}
198			}
199
200			if ($this->_mysqli->real_connect($hostname, $this->username, $this->password, $this->database, $port, $socket, $client_flags))
201			{
202			// Prior to version 5.7.3, MySQL silently downgrades to an unencrypted connection if SSL setup fails
203			if (
204			($client_flags & MYSQLI_CLIENT_SSL)
205			&& version_compare($this->_mysqli->client_info, '5.7.3', '<=')
206			&& empty($this->_mysqli->query("SHOW STATUS LIKE 'ssl_cipher'")->fetch_object()->Value)
207			)
208			{
209			$this->_mysqli->close();
210			$message = 'MySQLi was configured for an SSL connection, but got an unencrypted connection instead!';
211			return ($this->db_debug) ? $this->display_error($message, '', TRUE) : FALSE;
			0 ignored issues – show Bug Best Practice introduced 2018-02-25 06:39 UTC by Report Bug Copy Issue Report The expression `return $this->db_debug ?...sage, '', TRUE) : FALSE` returns the type `false\|string` which is incompatible with the documented return type `object`. Loading history...
212			}
213
214			return $this->_mysqli;
215			}
216
217			return FALSE;
			0 ignored issues – show Bug Best Practice introduced 2018-01-17 04:33 UTC by Report Bug Copy Issue Report The expression `return FALSE` returns the type `false` which is incompatible with the documented return type `object`. Loading history...
218			}
219
220			// --------------------------------------------------------------------
221
222			/**
223			* Reconnect
224			* Keep / reestablish the db connection if no queries have been
225			* sent for a length of time exceeding the server's idle timeout
226			* @return void
227			*/
228			public function reconnect()
229			{
230			if ($this->conn_id !== FALSE && $this->conn_id->ping() === FALSE) {
231			$this->conn_id = FALSE;
			0 ignored issues – show Documentation Bug introduced 2018-01-17 04:33 UTC by Report Bug Copy Issue Report It seems like `FALSE` of type `false` is incompatible with the declared type `object\|resource` of property `$conn_id`. Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.. Loading history...
232			}
233			}
234			/**
235			* Select the database
236			*
237			* @param string $database
238			* @return bool
239			*/
240			public function db_select($database = '')
241			{
242			if ($database === '')
243			{
244			$database = $this->database;
245			}
246
247			if ($this->conn_id->select_db($database))
248			{
249			$this->database = $database;
250			$this->data_cache = array();
251			return TRUE;
252			}
253
254			return FALSE;
255			}
256
257			// --------------------------------------------------------------------
258
259			/**
260			* Set client character set
261			*
262			* @param string $charset
263			* @return bool
264			*/
265			protected function _db_set_charset($charset)
266			{
267			return $this->conn_id->set_charset($charset);
268			}
269
270			// --------------------------------------------------------------------
271
272			/**
273			* Database version number
274			*
275			* @return string
276			*/
277			public function version()
278			{
279			if (isset($this->data_cache['version']))
280			{
281			return $this->data_cache['version'];
282			}
283
284			return $this->data_cache['version'] = $this->conn_id->server_info;
285			}
286
287			// --------------------------------------------------------------------
288
289			/**
290			* Execute the query
291			*
292			* @param string $sql an SQL query
293			* @return mixed
294			*/
295			protected function _execute($sql)
296			{
297			return $this->conn_id->query($this->_prep_query($sql));
298			}
299
300			// --------------------------------------------------------------------
301
302			/**
303			* Prep the query
304			*
305			* If needed, each database adapter can prep the query string
306			*
307			* @param string $sql an SQL query
308			* @return string
309			*/
310			protected function _prep_query($sql)
311			{
312			// mysqli_affected_rows() returns 0 for "DELETE FROM TABLE" queries. This hack
313			// modifies the query so that it a proper number of affected rows is returned.
314			if ($this->delete_hack === TRUE && preg_match('/^\sDELETE\s+FROM\s+(\S+)\s$/i', $sql)) {
315			return trim($sql).' WHERE 1=1';
316			}
317			return $sql;
318			}
319			/**
320			* Begin Transaction
321			*
322			* @return bool
323			*/
324			protected function _trans_begin()
325			{
326			$this->conn_id->autocommit(FALSE);
327			return $this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
328			}
329
330			// --------------------------------------------------------------------
331
332			/**
333			* Commit Transaction
334			*
335			* @return bool
336			*/
337			protected function _trans_commit()
338			{
339			if ($this->conn_id->commit())
340			{
341			$this->conn_id->autocommit(TRUE);
342			return TRUE;
343			}
344
345			return FALSE;
346			}
347
348			// --------------------------------------------------------------------
349
350			/**
351			* Rollback Transaction
352			*
353			* @return bool
354			*/
355			protected function _trans_rollback()
356			{
357			if ($this->conn_id->rollback())
358			{
359			$this->conn_id->autocommit(TRUE);
360			return TRUE;
361			}
362
363			return FALSE;
364			}
365
366			// --------------------------------------------------------------------
367
368			/**
369			* Platform-dependent string escape
370			*
371			* @param string
372			* @return string
373			*/
374			protected function _escape_str($str)
375			{
376			return $this->conn_id->real_escape_string($str);
377			}
378
379			// --------------------------------------------------------------------
380
381			/**
382			* Affected Rows
383			*
384			* @return int
385			*/
386			public function affected_rows()
387			{
388			return $this->conn_id->affected_rows;
389			}
390
391			// --------------------------------------------------------------------
392
393			/**
394			* Insert ID
395			*
396			* @return int
397			*/
398			public function insert_id()
399			{
400			return $this->conn_id->insert_id;
401			}
402
403			// --------------------------------------------------------------------
404
405			/**
406			* List table query
407			*
408			* Generates a platform-specific query string so that the table names can be fetched
409			*
410			* @param bool $prefix_limit
411			* @return string
412			*/
413			protected function _list_tables($prefix_limit = FALSE)
414			{
415			$sql = 'SHOW TABLES FROM '.$this->escape_identifiers($this->database);
416
417			if ($prefix_limit !== FALSE && $this->dbprefix !== '')
418			{
419			return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
420			}
421
422			return $sql;
423			}
424
425			// --------------------------------------------------------------------
426
427			/**
428			* Show column query
429			*
430			* Generates a platform-specific query string so that the column names can be fetched
431			*
432			* @param string $table
433			* @return string
434			*/
435			protected function _list_columns($table = '')
436			{
437			return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
438			}
439
440			// --------------------------------------------------------------------
441
442			/**
443			* Returns an object with field data
444			*
445			* @param string $table
446			* @return array
447			*/
448			public function field_data($table)
449			{
450			if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE)
451			{
452			return FALSE;
			0 ignored issues – show Bug Best Practice introduced 2018-01-17 04:33 UTC by Report Bug Copy Issue Report The expression `return FALSE` returns the type `false` which is incompatible with the documented return type `array`. Loading history...
453			}
454			$query = $query->result_object();
455
456			$retval = array();
457			for ($i = 0, $c = count($query); $i < $c; $i++)
458			{
459			$retval[$i] = new stdClass();
460			$retval[$i]->name = $query[$i]->Field;
461
462			sscanf($query[$i]->Type, '%[a-z](%d)',
463			$retval[$i]->type,
464			$retval[$i]->max_length
465			);
466
467			$retval[$i]->default = $query[$i]->Default;
468			$retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
469			}
470
471			return $retval;
472			}
473
474			// --------------------------------------------------------------------
475
476			/**
477			* Error
478			*
479			* Returns an array containing code and message of the last
480			* database error that has occurred.
481			*
482			* @return array
483			*/
484			public function error()
485			{
486			if ( ! empty($this->_mysqli->connect_errno))
487			{
488			return array(
489			'code' => $this->_mysqli->connect_errno,
490			'message' => $this->_mysqli->connect_error
491			);
492			}
493
494			return array('code' => $this->conn_id->errno, 'message' => $this->conn_id->error);
495			}
496
497			// --------------------------------------------------------------------
498
499			/**
500			* FROM tables
501			*
502			* Groups tables in FROM clauses if needed, so there is no confusion
503			* about operator precedence.
504			*
505			* @return string
506			*/
507			protected function _from_tables()
508			{
509			if ( ! empty($this->qb_join) && count($this->qb_from) > 1)
			0 ignored issues – show Bug Best Practice introduced 2017-12-08 23:21 UTC by Report Bug Copy Issue Report The property `qb_from` does not exist on `Rioxygen\CiCoreDatabase\Mysql\CI_DB_mysqli_driver`. Did you maybe forget to declare it? Loading history...
510			{
511			return '('.implode(', ', $this->qb_from).')';
512			}
513
514			return implode(', ', $this->qb_from);
515			}
516
517			// --------------------------------------------------------------------
518
519			/**
520			* Close DB Connection
521			*
522			* @return void
523			*/
524			protected function _close()
525			{
526			$this->conn_id->close();
527			}
528
529			}
530

rrcfesc / codeignitercoredatabase

CI_DB_mysqli_driver::version() A last analyzed 2018-02-25 06:41 UTC

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CI_DB_mysqli_driver::version() A
last analyzed 2018-02-25 06:41 UTC