pictcode / lib / Cake / Model / Datasource / Database / Mysql.php @ 0b1b8047
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<?php
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/**
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* MySQL layer for DBO
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Model.Datasource.Database
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* @since CakePHP(tm) v 0.10.5.1790
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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App::uses('DboSource', 'Model/Datasource'); |
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/**
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* MySQL DBO driver object
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*
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* Provides connection and SQL generation for MySQL RDMS
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*
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* @package Cake.Model.Datasource.Database
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*/
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class Mysql extends DboSource { |
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|
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/**
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* Datasource description
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*
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* @var string
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*/
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public $description = "MySQL DBO Driver"; |
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|
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/**
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* Base configuration settings for MySQL driver
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*
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* @var array
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*/
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protected $_baseConfig = array( |
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'persistent' => true, |
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'host' => 'localhost', |
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'login' => 'root', |
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'password' => '', |
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'database' => 'cake', |
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'port' => '3306', |
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'flags' => array() |
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); |
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|
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/**
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* Reference to the PDO object connection
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*
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* @var PDO
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*/
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protected $_connection = null; |
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/**
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* Start quote
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*
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* @var string
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*/
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public $startQuote = "`"; |
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/**
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* End quote
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*
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* @var string
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*/
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public $endQuote = "`"; |
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|
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/**
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* use alias for update and delete. Set to true if version >= 4.1
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*
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* @var bool
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*/
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protected $_useAlias = true; |
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/**
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* List of engine specific additional field parameters used on table creating
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*
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* @var array
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*/
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public $fieldParameters = array( |
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'charset' => array('value' => 'CHARACTER SET', 'quote' => false, 'join' => ' ', 'column' => false, 'position' => 'beforeDefault'), |
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'collate' => array('value' => 'COLLATE', 'quote' => false, 'join' => ' ', 'column' => 'Collation', 'position' => 'beforeDefault'), |
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'comment' => array('value' => 'COMMENT', 'quote' => true, 'join' => ' ', 'column' => 'Comment', 'position' => 'afterDefault'), |
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'unsigned' => array( |
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'value' => 'UNSIGNED', 'quote' => false, 'join' => ' ', 'column' => false, 'position' => 'beforeDefault', |
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'noVal' => true, |
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'options' => array(true), |
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'types' => array('integer', 'float', 'decimal', 'biginteger') |
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) |
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); |
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|
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/**
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* List of table engine specific parameters used on table creating
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*
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* @var array
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*/
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public $tableParameters = array( |
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'charset' => array('value' => 'DEFAULT CHARSET', 'quote' => false, 'join' => '=', 'column' => 'charset'), |
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'collate' => array('value' => 'COLLATE', 'quote' => false, 'join' => '=', 'column' => 'Collation'), |
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'engine' => array('value' => 'ENGINE', 'quote' => false, 'join' => '=', 'column' => 'Engine'), |
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'comment' => array('value' => 'COMMENT', 'quote' => true, 'join' => '=', 'column' => 'Comment'), |
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); |
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|
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/**
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* MySQL column definition
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*
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* @var array
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*/
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public $columns = array( |
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'primary_key' => array('name' => 'NOT NULL AUTO_INCREMENT'), |
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'string' => array('name' => 'varchar', 'limit' => '255'), |
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'text' => array('name' => 'text'), |
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'biginteger' => array('name' => 'bigint', 'limit' => '20'), |
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'integer' => array('name' => 'int', 'limit' => '11', 'formatter' => 'intval'), |
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'float' => array('name' => 'float', 'formatter' => 'floatval'), |
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'decimal' => array('name' => 'decimal', 'formatter' => 'floatval'), |
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'datetime' => array('name' => 'datetime', 'format' => 'Y-m-d H:i:s', 'formatter' => 'date'), |
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'timestamp' => array('name' => 'timestamp', 'format' => 'Y-m-d H:i:s', 'formatter' => 'date'), |
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'time' => array('name' => 'time', 'format' => 'H:i:s', 'formatter' => 'date'), |
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'date' => array('name' => 'date', 'format' => 'Y-m-d', 'formatter' => 'date'), |
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'binary' => array('name' => 'blob'), |
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'boolean' => array('name' => 'tinyint', 'limit' => '1') |
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); |
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/**
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* Mapping of collation names to character set names
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*
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* @var array
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*/
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protected $_charsets = array(); |
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/**
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* Connects to the database using options in the given configuration array.
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*
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* MySQL supports a few additional options that other drivers do not:
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*
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* - `unix_socket` Set to the path of the MySQL sock file. Can be used in place
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* of host + port.
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* - `ssl_key` SSL key file for connecting via SSL. Must be combined with `ssl_cert`.
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* - `ssl_cert` The SSL certificate to use when connecting via SSL. Must be
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* combined with `ssl_key`.
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* - `ssl_ca` The certificate authority for SSL connections.
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*
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* @return bool True if the database could be connected, else false
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* @throws MissingConnectionException
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*/
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public function connect() { |
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$config = $this->config; |
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$this->connected = false; |
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$flags = $config['flags'] + array( |
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PDO::ATTR_PERSISTENT => $config['persistent'], |
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PDO::MYSQL_ATTR_USE_BUFFERED_QUERY => true, |
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION |
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); |
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if (!empty($config['encoding'])) { |
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$flags[PDO::MYSQL_ATTR_INIT_COMMAND] = 'SET NAMES ' . $config['encoding']; |
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} |
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if (!empty($config['ssl_key']) && !empty($config['ssl_cert'])) { |
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$flags[PDO::MYSQL_ATTR_SSL_KEY] = $config['ssl_key']; |
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$flags[PDO::MYSQL_ATTR_SSL_CERT] = $config['ssl_cert']; |
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} |
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if (!empty($config['ssl_ca'])) { |
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$flags[PDO::MYSQL_ATTR_SSL_CA] = $config['ssl_ca']; |
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} |
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if (empty($config['unix_socket'])) { |
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$dsn = "mysql:host={$config['host']};port={$config['port']};dbname={$config['database']}"; |
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} else {
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$dsn = "mysql:unix_socket={$config['unix_socket']};dbname={$config['database']}"; |
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} |
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try {
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$this->_connection = new PDO( |
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$dsn,
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$config['login'], |
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$config['password'], |
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$flags
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); |
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$this->connected = true; |
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if (!empty($config['settings'])) { |
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foreach ($config['settings'] as $key => $value) { |
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$this->_execute("SET $key=$value"); |
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} |
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} |
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} catch (PDOException $e) { |
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throw new MissingConnectionException(array( |
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'class' => get_class($this), |
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'message' => $e->getMessage() |
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)); |
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} |
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$this->_charsets = array(); |
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$this->_useAlias = (bool)version_compare($this->getVersion(), "4.1", ">="); |
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return $this->connected; |
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} |
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/**
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* Check whether the MySQL extension is installed/loaded
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*
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* @return bool
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*/
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public function enabled() { |
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return in_array('mysql', PDO::getAvailableDrivers()); |
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} |
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/**
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* Returns an array of sources (tables) in the database.
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*
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* @param mixed $data List of tables.
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* @return array Array of table names in the database
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*/
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public function listSources($data = null) { |
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$cache = parent::listSources(); |
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if ($cache) { |
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return $cache; |
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} |
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$result = $this->_execute('SHOW TABLES FROM ' . $this->name($this->config['database'])); |
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if (!$result) { |
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$result->closeCursor();
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return array(); |
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} |
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$tables = array(); |
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while ($line = $result->fetch(PDO::FETCH_NUM)) { |
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$tables[] = $line[0]; |
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} |
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$result->closeCursor();
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parent::listSources($tables); |
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return $tables; |
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} |
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/**
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* Builds a map of the columns contained in a result
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*
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* @param PDOStatement $results The results to format.
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* @return void
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*/
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public function resultSet($results) { |
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$this->map = array(); |
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$numFields = $results->columnCount(); |
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$index = 0; |
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while ($numFields-- > 0) { |
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$column = $results->getColumnMeta($index); |
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if ($column['len'] === 1 && (empty($column['native_type']) || $column['native_type'] === 'TINY')) { |
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$type = 'boolean'; |
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} else {
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$type = empty($column['native_type']) ? 'string' : $column['native_type']; |
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} |
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if (!empty($column['table']) && strpos($column['name'], $this->virtualFieldSeparator) === false) { |
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$this->map[$index++] = array($column['table'], $column['name'], $type); |
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} else {
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$this->map[$index++] = array(0, $column['name'], $type); |
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} |
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} |
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} |
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/**
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* Fetches the next row from the current result set
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*
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* @return mixed array with results fetched and mapped to column names or false if there is no results left to fetch
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*/
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public function fetchResult() { |
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if ($row = $this->_result->fetch(PDO::FETCH_NUM)) { |
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$resultRow = array(); |
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foreach ($this->map as $col => $meta) { |
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list($table, $column, $type) = $meta; |
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$resultRow[$table][$column] = $row[$col]; |
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if ($type === 'boolean' && $row[$col] !== null) { |
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$resultRow[$table][$column] = $this->boolean($resultRow[$table][$column]); |
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} |
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} |
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return $resultRow; |
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} |
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$this->_result->closeCursor();
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return false; |
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} |
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/**
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* Gets the database encoding
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*
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* @return string The database encoding
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*/
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public function getEncoding() { |
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return $this->_execute('SHOW VARIABLES LIKE ?', array('character_set_client'))->fetchObject()->Value; |
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} |
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/**
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* Query charset by collation
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*
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* @param string $name Collation name
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* @return string Character set name
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*/
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public function getCharsetName($name) { |
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if ((bool)version_compare($this->getVersion(), "5", "<")) { |
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return false; |
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} |
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if (isset($this->_charsets[$name])) { |
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return $this->_charsets[$name]; |
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} |
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$r = $this->_execute( |
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'SELECT CHARACTER_SET_NAME FROM INFORMATION_SCHEMA.COLLATIONS WHERE COLLATION_NAME = ?',
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array($name) |
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); |
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$cols = $r->fetch(PDO::FETCH_ASSOC); |
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if (isset($cols['CHARACTER_SET_NAME'])) { |
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$this->_charsets[$name] = $cols['CHARACTER_SET_NAME']; |
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} else {
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$this->_charsets[$name] = false; |
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} |
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return $this->_charsets[$name]; |
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} |
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|
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/**
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* Returns an array of the fields in given table name.
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*
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* @param Model|string $model Name of database table to inspect or model instance
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* @return array Fields in table. Keys are name and type
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* @throws CakeException
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*/
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public function describe($model) { |
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$key = $this->fullTableName($model, false); |
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$cache = parent::describe($key); |
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if ($cache) { |
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return $cache; |
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} |
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$table = $this->fullTableName($model); |
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|
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$fields = false; |
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$cols = $this->_execute('SHOW FULL COLUMNS FROM ' . $table); |
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if (!$cols) { |
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throw new CakeException(__d('cake_dev', 'Could not describe table for %s', $table)); |
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} |
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while ($column = $cols->fetch(PDO::FETCH_OBJ)) { |
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$fields[$column->Field] = array( |
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'type' => $this->column($column->Type), |
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'null' => ($column->Null === 'YES' ? true : false), |
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'default' => $column->Default, |
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'length' => $this->length($column->Type) |
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); |
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if (in_array($fields[$column->Field]['type'], $this->fieldParameters['unsigned']['types'], true)) { |
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$fields[$column->Field]['unsigned'] = $this->_unsigned($column->Type); |
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} |
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if (in_array($fields[$column->Field]['type'], array('timestamp', 'datetime')) && strtoupper($column->Default) === 'CURRENT_TIMESTAMP') { |
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$fields[$column->Field]['default'] = null; |
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} |
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if (!empty($column->Key) && isset($this->index[$column->Key])) { |
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$fields[$column->Field]['key'] = $this->index[$column->Key]; |
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} |
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foreach ($this->fieldParameters as $name => $value) { |
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if (!empty($column->{$value['column']})) { |
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$fields[$column->Field][$name] = $column->{$value['column']}; |
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} |
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} |
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if (isset($fields[$column->Field]['collate'])) { |
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$charset = $this->getCharsetName($fields[$column->Field]['collate']); |
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if ($charset) { |
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$fields[$column->Field]['charset'] = $charset; |
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} |
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} |
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} |
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$this->_cacheDescription($key, $fields); |
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$cols->closeCursor();
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return $fields; |
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} |
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|
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/**
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* Generates and executes an SQL UPDATE statement for given model, fields, and values.
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*
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* @param Model $model The model to update.
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* @param array $fields The fields to update.
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* @param array $values The values to set.
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* @param mixed $conditions The conditions to use.
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* @return array
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*/
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public function update(Model $model, $fields = array(), $values = null, $conditions = null) { |
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if (!$this->_useAlias) { |
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return parent::update($model, $fields, $values, $conditions); |
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} |
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|
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if (!$values) { |
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$combined = $fields; |
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} else {
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$combined = array_combine($fields, $values); |
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} |
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|
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$alias = $joins = false; |
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$fields = $this->_prepareUpdateFields($model, $combined, empty($conditions), !empty($conditions)); |
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$fields = implode(', ', $fields); |
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$table = $this->fullTableName($model); |
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|
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if (!empty($conditions)) { |
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$alias = $this->name($model->alias); |
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if ($model->name === $model->alias) { |
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$joins = implode(' ', $this->_getJoins($model)); |
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} |
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} |
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$conditions = $this->conditions($this->defaultConditions($model, $conditions, $alias), true, true, $model); |
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|
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if ($conditions === false) { |
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return false; |
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} |
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|
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if (!$this->execute($this->renderStatement('update', compact('table', 'alias', 'joins', 'fields', 'conditions')))) { |
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$model->onError();
|
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return false; |
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} |
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return true; |
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} |
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|
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/**
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* Generates and executes an SQL DELETE statement for given id/conditions on given model.
|
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*
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* @param Model $model The model to delete from.
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* @param mixed $conditions The conditions to use.
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* @return bool Success
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*/
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public function delete(Model $model, $conditions = null) { |
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if (!$this->_useAlias) { |
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return parent::delete($model, $conditions); |
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} |
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$alias = $this->name($model->alias); |
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$table = $this->fullTableName($model); |
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$joins = implode(' ', $this->_getJoins($model)); |
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|
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if (empty($conditions)) { |
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$alias = $joins = false; |
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} |
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$complexConditions = false; |
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foreach ((array)$conditions as $key => $value) { |
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if (strpos($key, $model->alias) === false) { |
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$complexConditions = true; |
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break;
|
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} |
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} |
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if (!$complexConditions) { |
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$joins = false; |
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} |
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|
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$conditions = $this->conditions($this->defaultConditions($model, $conditions, $alias), true, true, $model); |
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if ($conditions === false) { |
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return false; |
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} |
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if ($this->execute($this->renderStatement('delete', compact('alias', 'table', 'joins', 'conditions'))) === false) { |
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$model->onError();
|
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return false; |
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} |
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return true; |
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} |
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|
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/**
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* Sets the database encoding
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*
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* @param string $enc Database encoding
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* @return bool
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*/
|
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public function setEncoding($enc) { |
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return $this->_execute('SET NAMES ' . $enc) !== false; |
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} |
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|
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/**
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* Returns an array of the indexes in given datasource name.
|
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*
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* @param string $model Name of model to inspect
|
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* @return array Fields in table. Keys are column and unique
|
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*/
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public function index($model) { |
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$index = array(); |
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$table = $this->fullTableName($model); |
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$old = version_compare($this->getVersion(), '4.1', '<='); |
| 482 |
if ($table) { |
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$indexes = $this->_execute('SHOW INDEX FROM ' . $table); |
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// @codingStandardsIgnoreStart
|
| 485 |
// MySQL columns don't match the cakephp conventions.
|
| 486 |
while ($idx = $indexes->fetch(PDO::FETCH_OBJ)) { |
| 487 |
if ($old) { |
| 488 |
$idx = (object)current((array)$idx); |
| 489 |
} |
| 490 |
if (!isset($index[$idx->Key_name]['column'])) { |
| 491 |
$col = array(); |
| 492 |
$index[$idx->Key_name]['column'] = $idx->Column_name; |
| 493 |
|
| 494 |
if ($idx->Index_type === 'FULLTEXT') { |
| 495 |
$index[$idx->Key_name]['type'] = strtolower($idx->Index_type); |
| 496 |
} else {
|
| 497 |
$index[$idx->Key_name]['unique'] = (int)($idx->Non_unique == 0); |
| 498 |
} |
| 499 |
} else {
|
| 500 |
if (!empty($index[$idx->Key_name]['column']) && !is_array($index[$idx->Key_name]['column'])) { |
| 501 |
$col[] = $index[$idx->Key_name]['column']; |
| 502 |
} |
| 503 |
$col[] = $idx->Column_name; |
| 504 |
$index[$idx->Key_name]['column'] = $col; |
| 505 |
} |
| 506 |
if (!empty($idx->Sub_part)) { |
| 507 |
if (!isset($index[$idx->Key_name]['length'])) { |
| 508 |
$index[$idx->Key_name]['length'] = array(); |
| 509 |
} |
| 510 |
$index[$idx->Key_name]['length'][$idx->Column_name] = $idx->Sub_part; |
| 511 |
} |
| 512 |
} |
| 513 |
// @codingStandardsIgnoreEnd
|
| 514 |
$indexes->closeCursor();
|
| 515 |
} |
| 516 |
return $index; |
| 517 |
} |
| 518 |
|
| 519 |
/**
|
| 520 |
* Generate a MySQL Alter Table syntax for the given Schema comparison
|
| 521 |
*
|
| 522 |
* @param array $compare Result of a CakeSchema::compare()
|
| 523 |
* @param string $table The table name.
|
| 524 |
* @return array Array of alter statements to make.
|
| 525 |
*/
|
| 526 |
public function alterSchema($compare, $table = null) { |
| 527 |
if (!is_array($compare)) { |
| 528 |
return false; |
| 529 |
} |
| 530 |
$out = ''; |
| 531 |
$colList = array(); |
| 532 |
foreach ($compare as $curTable => $types) { |
| 533 |
$indexes = $tableParameters = $colList = array(); |
| 534 |
if (!$table || $table === $curTable) { |
| 535 |
$out .= 'ALTER TABLE ' . $this->fullTableName($curTable) . " \n"; |
| 536 |
foreach ($types as $type => $column) { |
| 537 |
if (isset($column['indexes'])) { |
| 538 |
$indexes[$type] = $column['indexes']; |
| 539 |
unset($column['indexes']); |
| 540 |
} |
| 541 |
if (isset($column['tableParameters'])) { |
| 542 |
$tableParameters[$type] = $column['tableParameters']; |
| 543 |
unset($column['tableParameters']); |
| 544 |
} |
| 545 |
switch ($type) { |
| 546 |
case 'add': |
| 547 |
foreach ($column as $field => $col) { |
| 548 |
$col['name'] = $field; |
| 549 |
$alter = 'ADD ' . $this->buildColumn($col); |
| 550 |
if (isset($col['after'])) { |
| 551 |
$alter .= ' AFTER ' . $this->name($col['after']); |
| 552 |
} |
| 553 |
$colList[] = $alter; |
| 554 |
} |
| 555 |
break;
|
| 556 |
case 'drop': |
| 557 |
foreach ($column as $field => $col) { |
| 558 |
$col['name'] = $field; |
| 559 |
$colList[] = 'DROP ' . $this->name($field); |
| 560 |
} |
| 561 |
break;
|
| 562 |
case 'change': |
| 563 |
foreach ($column as $field => $col) { |
| 564 |
if (!isset($col['name'])) { |
| 565 |
$col['name'] = $field; |
| 566 |
} |
| 567 |
$alter = 'CHANGE ' . $this->name($field) . ' ' . $this->buildColumn($col); |
| 568 |
if (isset($col['after'])) { |
| 569 |
$alter .= ' AFTER ' . $this->name($col['after']); |
| 570 |
} |
| 571 |
$colList[] = $alter; |
| 572 |
} |
| 573 |
break;
|
| 574 |
} |
| 575 |
} |
| 576 |
$colList = array_merge($colList, $this->_alterIndexes($curTable, $indexes)); |
| 577 |
$colList = array_merge($colList, $this->_alterTableParameters($curTable, $tableParameters)); |
| 578 |
$out .= "\t" . implode(",\n\t", $colList) . ";\n\n"; |
| 579 |
} |
| 580 |
} |
| 581 |
return $out; |
| 582 |
} |
| 583 |
|
| 584 |
/**
|
| 585 |
* Generate a "drop table" statement for the given table
|
| 586 |
*
|
| 587 |
* @param type $table Name of the table to drop
|
| 588 |
* @return string Drop table SQL statement
|
| 589 |
*/
|
| 590 |
protected function _dropTable($table) { |
| 591 |
return 'DROP TABLE IF EXISTS ' . $this->fullTableName($table) . ";"; |
| 592 |
} |
| 593 |
|
| 594 |
/**
|
| 595 |
* Generate MySQL table parameter alteration statements for a table.
|
| 596 |
*
|
| 597 |
* @param string $table Table to alter parameters for.
|
| 598 |
* @param array $parameters Parameters to add & drop.
|
| 599 |
* @return array Array of table property alteration statements.
|
| 600 |
*/
|
| 601 |
protected function _alterTableParameters($table, $parameters) { |
| 602 |
if (isset($parameters['change'])) { |
| 603 |
return $this->buildTableParameters($parameters['change']); |
| 604 |
} |
| 605 |
return array(); |
| 606 |
} |
| 607 |
|
| 608 |
/**
|
| 609 |
* Format indexes for create table
|
| 610 |
*
|
| 611 |
* @param array $indexes An array of indexes to generate SQL from
|
| 612 |
* @param string $table Optional table name, not used
|
| 613 |
* @return array An array of SQL statements for indexes
|
| 614 |
* @see DboSource::buildIndex()
|
| 615 |
*/
|
| 616 |
public function buildIndex($indexes, $table = null) { |
| 617 |
$join = array(); |
| 618 |
foreach ($indexes as $name => $value) { |
| 619 |
$out = ''; |
| 620 |
if ($name === 'PRIMARY') { |
| 621 |
$out .= 'PRIMARY '; |
| 622 |
$name = null; |
| 623 |
} else {
|
| 624 |
if (!empty($value['unique'])) { |
| 625 |
$out .= 'UNIQUE '; |
| 626 |
} |
| 627 |
$name = $this->startQuote . $name . $this->endQuote; |
| 628 |
} |
| 629 |
if (isset($value['type']) && strtolower($value['type']) === 'fulltext') { |
| 630 |
$out .= 'FULLTEXT '; |
| 631 |
} |
| 632 |
$out .= 'KEY ' . $name . ' ('; |
| 633 |
|
| 634 |
if (is_array($value['column'])) { |
| 635 |
if (isset($value['length'])) { |
| 636 |
$vals = array(); |
| 637 |
foreach ($value['column'] as $column) { |
| 638 |
$name = $this->name($column); |
| 639 |
if (isset($value['length'])) { |
| 640 |
$name .= $this->_buildIndexSubPart($value['length'], $column); |
| 641 |
} |
| 642 |
$vals[] = $name; |
| 643 |
} |
| 644 |
$out .= implode(', ', $vals); |
| 645 |
} else {
|
| 646 |
$out .= implode(', ', array_map(array(&$this, 'name'), $value['column'])); |
| 647 |
} |
| 648 |
} else {
|
| 649 |
$out .= $this->name($value['column']); |
| 650 |
if (isset($value['length'])) { |
| 651 |
$out .= $this->_buildIndexSubPart($value['length'], $value['column']); |
| 652 |
} |
| 653 |
} |
| 654 |
$out .= ')'; |
| 655 |
$join[] = $out; |
| 656 |
} |
| 657 |
return $join; |
| 658 |
} |
| 659 |
|
| 660 |
/**
|
| 661 |
* Generate MySQL index alteration statements for a table.
|
| 662 |
*
|
| 663 |
* @param string $table Table to alter indexes for
|
| 664 |
* @param array $indexes Indexes to add and drop
|
| 665 |
* @return array Index alteration statements
|
| 666 |
*/
|
| 667 |
protected function _alterIndexes($table, $indexes) { |
| 668 |
$alter = array(); |
| 669 |
if (isset($indexes['drop'])) { |
| 670 |
foreach ($indexes['drop'] as $name => $value) { |
| 671 |
$out = 'DROP '; |
| 672 |
if ($name === 'PRIMARY') { |
| 673 |
$out .= 'PRIMARY KEY'; |
| 674 |
} else {
|
| 675 |
$out .= 'KEY ' . $this->startQuote . $name . $this->endQuote; |
| 676 |
} |
| 677 |
$alter[] = $out; |
| 678 |
} |
| 679 |
} |
| 680 |
if (isset($indexes['add'])) { |
| 681 |
$add = $this->buildIndex($indexes['add']); |
| 682 |
foreach ($add as $index) { |
| 683 |
$alter[] = 'ADD ' . $index; |
| 684 |
} |
| 685 |
} |
| 686 |
return $alter; |
| 687 |
} |
| 688 |
|
| 689 |
/**
|
| 690 |
* Format length for text indexes
|
| 691 |
*
|
| 692 |
* @param array $lengths An array of lengths for a single index
|
| 693 |
* @param string $column The column for which to generate the index length
|
| 694 |
* @return string Formatted length part of an index field
|
| 695 |
*/
|
| 696 |
protected function _buildIndexSubPart($lengths, $column) { |
| 697 |
if ($lengths === null) { |
| 698 |
return ''; |
| 699 |
} |
| 700 |
if (!isset($lengths[$column])) { |
| 701 |
return ''; |
| 702 |
} |
| 703 |
return '(' . $lengths[$column] . ')'; |
| 704 |
} |
| 705 |
|
| 706 |
/**
|
| 707 |
* Returns a detailed array of sources (tables) in the database.
|
| 708 |
*
|
| 709 |
* @param string $name Table name to get parameters
|
| 710 |
* @return array Array of table names in the database
|
| 711 |
*/
|
| 712 |
public function listDetailedSources($name = null) { |
| 713 |
$condition = ''; |
| 714 |
if (is_string($name)) { |
| 715 |
$condition = ' WHERE name = ' . $this->value($name); |
| 716 |
} |
| 717 |
$result = $this->_connection->query('SHOW TABLE STATUS ' . $condition, PDO::FETCH_ASSOC); |
| 718 |
|
| 719 |
if (!$result) { |
| 720 |
$result->closeCursor();
|
| 721 |
return array(); |
| 722 |
} |
| 723 |
$tables = array(); |
| 724 |
foreach ($result as $row) { |
| 725 |
$tables[$row['Name']] = (array)$row; |
| 726 |
unset($tables[$row['Name']]['queryString']); |
| 727 |
if (!empty($row['Collation'])) { |
| 728 |
$charset = $this->getCharsetName($row['Collation']); |
| 729 |
if ($charset) { |
| 730 |
$tables[$row['Name']]['charset'] = $charset; |
| 731 |
} |
| 732 |
} |
| 733 |
} |
| 734 |
$result->closeCursor();
|
| 735 |
if (is_string($name) && isset($tables[$name])) { |
| 736 |
return $tables[$name]; |
| 737 |
} |
| 738 |
return $tables; |
| 739 |
} |
| 740 |
|
| 741 |
/**
|
| 742 |
* Converts database-layer column types to basic types
|
| 743 |
*
|
| 744 |
* @param string $real Real database-layer column type (i.e. "varchar(255)")
|
| 745 |
* @return string Abstract column type (i.e. "string")
|
| 746 |
*/
|
| 747 |
public function column($real) { |
| 748 |
if (is_array($real)) { |
| 749 |
$col = $real['name']; |
| 750 |
if (isset($real['limit'])) { |
| 751 |
$col .= '(' . $real['limit'] . ')'; |
| 752 |
} |
| 753 |
return $col; |
| 754 |
} |
| 755 |
|
| 756 |
$col = str_replace(')', '', $real); |
| 757 |
$limit = $this->length($real); |
| 758 |
if (strpos($col, '(') !== false) { |
| 759 |
list($col, $vals) = explode('(', $col); |
| 760 |
} |
| 761 |
|
| 762 |
if (in_array($col, array('date', 'time', 'datetime', 'timestamp'))) { |
| 763 |
return $col; |
| 764 |
} |
| 765 |
if (($col === 'tinyint' && $limit === 1) || $col === 'boolean') { |
| 766 |
return 'boolean'; |
| 767 |
} |
| 768 |
if (strpos($col, 'bigint') !== false || $col === 'bigint') { |
| 769 |
return 'biginteger'; |
| 770 |
} |
| 771 |
if (strpos($col, 'int') !== false) { |
| 772 |
return 'integer'; |
| 773 |
} |
| 774 |
if (strpos($col, 'char') !== false || $col === 'tinytext') { |
| 775 |
return 'string'; |
| 776 |
} |
| 777 |
if (strpos($col, 'text') !== false) { |
| 778 |
return 'text'; |
| 779 |
} |
| 780 |
if (strpos($col, 'blob') !== false || $col === 'binary') { |
| 781 |
return 'binary'; |
| 782 |
} |
| 783 |
if (strpos($col, 'float') !== false || strpos($col, 'double') !== false) { |
| 784 |
return 'float'; |
| 785 |
} |
| 786 |
if (strpos($col, 'decimal') !== false || strpos($col, 'numeric') !== false) { |
| 787 |
return 'decimal'; |
| 788 |
} |
| 789 |
if (strpos($col, 'enum') !== false) { |
| 790 |
return "enum($vals)"; |
| 791 |
} |
| 792 |
if (strpos($col, 'set') !== false) { |
| 793 |
return "set($vals)"; |
| 794 |
} |
| 795 |
return 'text'; |
| 796 |
} |
| 797 |
|
| 798 |
/**
|
| 799 |
* {@inheritDoc}
|
| 800 |
*/
|
| 801 |
public function value($data, $column = null, $null = true) { |
| 802 |
$value = parent::value($data, $column, $null); |
| 803 |
if (is_numeric($value) && substr($column, 0, 3) === 'set') { |
| 804 |
return $this->_connection->quote($value); |
| 805 |
} |
| 806 |
return $value; |
| 807 |
} |
| 808 |
|
| 809 |
/**
|
| 810 |
* Gets the schema name
|
| 811 |
*
|
| 812 |
* @return string The schema name
|
| 813 |
*/
|
| 814 |
public function getSchemaName() { |
| 815 |
return $this->config['database']; |
| 816 |
} |
| 817 |
|
| 818 |
/**
|
| 819 |
* Check if the server support nested transactions
|
| 820 |
*
|
| 821 |
* @return bool
|
| 822 |
*/
|
| 823 |
public function nestedTransactionSupported() { |
| 824 |
return $this->useNestedTransactions && version_compare($this->getVersion(), '4.1', '>='); |
| 825 |
} |
| 826 |
|
| 827 |
/**
|
| 828 |
* Check if column type is unsigned
|
| 829 |
*
|
| 830 |
* @param string $real Real database-layer column type (i.e. "varchar(255)")
|
| 831 |
* @return bool True if column is unsigned, false otherwise
|
| 832 |
*/
|
| 833 |
protected function _unsigned($real) { |
| 834 |
return strpos(strtolower($real), 'unsigned') !== false; |
| 835 |
} |
| 836 |
|
| 837 |
} |