mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 19:38:26 +00:00
316 lines
No EOL
8 KiB
PHP
316 lines
No EOL
8 KiB
PHP
<?php
|
|
/* SVN FILE: $Id$ */
|
|
/**
|
|
* MySQLi layer for DBO
|
|
*
|
|
* Long description for file
|
|
*
|
|
* PHP versions 4 and 5
|
|
*
|
|
* CakePHP(tm) : Rapid Development Framework (http://www.cakephp.org)
|
|
* Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
|
|
*
|
|
* Licensed under The MIT License
|
|
* Redistributions of files must retain the above copyright notice.
|
|
*
|
|
* @filesource
|
|
* @copyright Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
|
|
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
|
|
* @package cake
|
|
* @subpackage cake.cake.libs.model.datasources.dbo
|
|
* @since CakePHP(tm) v 1.1.4.2974
|
|
* @version $Revision$
|
|
* @modifiedby $LastChangedBy$
|
|
* @lastmodified $Date$
|
|
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
|
|
*/
|
|
App::import('Core', 'DboMysql');
|
|
/**
|
|
* MySQLi DBO driver object
|
|
*
|
|
* Provides connection and SQL generation for MySQL RDMS using PHP's MySQLi Interface
|
|
*
|
|
* @package cake
|
|
* @subpackage cake.cake.libs.model.datasources.dbo
|
|
*/
|
|
class DboMysqli extends DboMysqlBase {
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @var unknown_type
|
|
*/
|
|
var $description = "Mysqli DBO Driver";
|
|
/**
|
|
* Base configuration settings for Mysqli driver
|
|
*
|
|
* @var array
|
|
*/
|
|
var $_baseConfig = array(
|
|
'persistent' => true,
|
|
'host' => 'localhost',
|
|
'login' => 'root',
|
|
'password' => '',
|
|
'database' => 'cake',
|
|
'port' => '3306',
|
|
'connect' => 'mysqli_connect'
|
|
);
|
|
/**
|
|
* Connects to the database using options in the given configuration array.
|
|
*
|
|
* @return boolean True if the database could be connected, else false
|
|
*/
|
|
function connect() {
|
|
$config = $this->config;
|
|
$this->connected = false;
|
|
|
|
if (is_numeric($config['port'])) {
|
|
$config['socket'] = null;
|
|
} else {
|
|
$config['socket'] = $config['port'];
|
|
$config['port'] = null;
|
|
}
|
|
|
|
$this->connection = mysqli_connect($config['host'], $config['login'], $config['password'], $config['database'], $config['port'], $config['socket']);
|
|
|
|
if ($this->connection !== false) {
|
|
$this->connected = true;
|
|
}
|
|
|
|
$this->_useAlias = (bool)version_compare(mysqli_get_server_info($this->connection), "4.1", ">=");
|
|
|
|
if (!empty($config['encoding'])) {
|
|
$this->setEncoding($config['encoding']);
|
|
}
|
|
return $this->connected;
|
|
}
|
|
/**
|
|
* Check that MySQLi is installed/enabled
|
|
*
|
|
* @return boolean
|
|
**/
|
|
function enabled() {
|
|
return extension_loaded('mysqli');
|
|
}
|
|
/**
|
|
* Disconnects from database.
|
|
*
|
|
* @return boolean True if the database could be disconnected, else false
|
|
*/
|
|
function disconnect() {
|
|
if (isset($this->results) && is_resource($this->results)) {
|
|
mysqli_free_result($this->results);
|
|
}
|
|
$this->connected = !@mysqli_close($this->connection);
|
|
return !$this->connected;
|
|
}
|
|
/**
|
|
* Executes given SQL statement.
|
|
*
|
|
* @param string $sql SQL statement
|
|
* @return resource Result resource identifier
|
|
* @access protected
|
|
*/
|
|
function _execute($sql) {
|
|
if (preg_match('/^\s*call/i', $sql)) {
|
|
return $this->_executeProcedure($sql);
|
|
}
|
|
return mysqli_query($this->connection, $sql);
|
|
}
|
|
/**
|
|
* Executes given SQL statement (procedure call).
|
|
*
|
|
* @param string $sql SQL statement (procedure call)
|
|
* @return resource Result resource identifier for first recordset
|
|
* @access protected
|
|
*/
|
|
function _executeProcedure($sql) {
|
|
$answer = mysqli_multi_query($this->connection, $sql);
|
|
|
|
$firstResult = mysqli_store_result($this->connection);
|
|
|
|
if (mysqli_more_results($this->connection)) {
|
|
while ($lastResult = mysqli_next_result($this->connection));
|
|
}
|
|
return $firstResult;
|
|
}
|
|
/**
|
|
* Returns an array of sources (tables) in the database.
|
|
*
|
|
* @return array Array of tablenames in the database
|
|
*/
|
|
function listSources() {
|
|
$cache = parent::listSources();
|
|
if ($cache != null) {
|
|
return $cache;
|
|
}
|
|
$result = $this->_execute('SHOW TABLES FROM ' . $this->name($this->config['database']) . ';');
|
|
|
|
if (!$result) {
|
|
return array();
|
|
}
|
|
|
|
$tables = array();
|
|
|
|
while ($line = mysqli_fetch_array($result)) {
|
|
$tables[] = $line[0];
|
|
}
|
|
parent::listSources($tables);
|
|
return $tables;
|
|
}
|
|
/**
|
|
* Returns a quoted and escaped string of $data for use in an SQL statement.
|
|
*
|
|
* @param string $data String to be prepared for use in an SQL statement
|
|
* @param string $column The column into which this data will be inserted
|
|
* @param boolean $safe Whether or not numeric data should be handled automagically if no column data is provided
|
|
* @return string Quoted and escaped data
|
|
*/
|
|
function value($data, $column = null, $safe = false) {
|
|
$parent = parent::value($data, $column, $safe);
|
|
|
|
if ($parent != null) {
|
|
return $parent;
|
|
}
|
|
if ($data === null || (is_array($data) && empty($data))) {
|
|
return 'NULL';
|
|
}
|
|
if ($data === '' && $column !== 'integer' && $column !== 'float' && $column !== 'boolean') {
|
|
return "''";
|
|
}
|
|
if (empty($column)) {
|
|
$column = $this->introspectType($data);
|
|
}
|
|
|
|
switch ($column) {
|
|
case 'boolean':
|
|
return $this->boolean((bool)$data);
|
|
break;
|
|
case 'integer' :
|
|
case 'float' :
|
|
case null :
|
|
if ($data === '') {
|
|
return 'NULL';
|
|
}
|
|
if ((is_int($data) || is_float($data) || $data === '0') || (
|
|
is_numeric($data) && strpos($data, ',') === false &&
|
|
$data[0] != '0' && strpos($data, 'e') === false)) {
|
|
return $data;
|
|
}
|
|
default:
|
|
$data = "'" . mysqli_real_escape_string($this->connection, $data) . "'";
|
|
break;
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
/**
|
|
* Returns a formatted error message from previous database operation.
|
|
*
|
|
* @return string Error message with error number
|
|
*/
|
|
function lastError() {
|
|
if (mysqli_errno($this->connection)) {
|
|
return mysqli_errno($this->connection).': '.mysqli_error($this->connection);
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Returns number of affected rows in previous database operation. If no previous operation exists,
|
|
* this returns false.
|
|
*
|
|
* @return integer Number of affected rows
|
|
*/
|
|
function lastAffected() {
|
|
if ($this->_result) {
|
|
return mysqli_affected_rows($this->connection);
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Returns number of rows in previous resultset. If no previous resultset exists,
|
|
* this returns false.
|
|
*
|
|
* @return integer Number of rows in resultset
|
|
*/
|
|
function lastNumRows() {
|
|
if ($this->hasResult()) {
|
|
return mysqli_num_rows($this->_result);
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Returns the ID generated from the previous INSERT operation.
|
|
*
|
|
* @param unknown_type $source
|
|
* @return in
|
|
*/
|
|
function lastInsertId($source = null) {
|
|
$id = $this->fetchRow('SELECT LAST_INSERT_ID() AS insertID', false);
|
|
if ($id !== false && !empty($id) && !empty($id[0]) && isset($id[0]['insertID'])) {
|
|
return $id[0]['insertID'];
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @param unknown_type $results
|
|
*/
|
|
function resultSet(&$results) {
|
|
if (isset($this->results) && is_resource($this->results) && $this->results != $results) {
|
|
mysqli_free_result($this->results);
|
|
}
|
|
$this->results =& $results;
|
|
$this->map = array();
|
|
$numFields = mysqli_num_fields($results);
|
|
$index = 0;
|
|
$j = 0;
|
|
while ($j < $numFields) {
|
|
$column = mysqli_fetch_field_direct($results, $j);
|
|
if (!empty($column->table)) {
|
|
$this->map[$index++] = array($column->table, $column->name);
|
|
} else {
|
|
$this->map[$index++] = array(0, $column->name);
|
|
}
|
|
$j++;
|
|
}
|
|
}
|
|
/**
|
|
* Fetches the next row from the current result set
|
|
*
|
|
* @return unknown
|
|
*/
|
|
function fetchResult() {
|
|
if ($row = mysqli_fetch_row($this->results)) {
|
|
$resultRow = array();
|
|
$i = 0;
|
|
foreach ($row as $index => $field) {
|
|
$table = $column = null;
|
|
if (count($this->map[$index]) == 2) {
|
|
list($table, $column) = $this->map[$index];
|
|
}
|
|
$resultRow[$table][$column] = $row[$index];
|
|
$i++;
|
|
}
|
|
return $resultRow;
|
|
}
|
|
return false;
|
|
}
|
|
/**
|
|
* Gets the database encoding
|
|
*
|
|
* @return string The database encoding
|
|
*/
|
|
function getEncoding() {
|
|
return mysqli_client_encoding($this->connection);
|
|
}
|
|
/**
|
|
* Checks if the result is valid
|
|
*
|
|
* @return boolean True if the result is valid, else false
|
|
*/
|
|
function hasResult() {
|
|
return is_object($this->_result);
|
|
}
|
|
}
|
|
?>
|