mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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366 lines
No EOL
8.9 KiB
PHP
366 lines
No EOL
8.9 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* AdoDB layer for DBO.
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*
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* Long description for file
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*
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* PHP versions 4 and 5
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*
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* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright (c) 2006, Cake Software Foundation, Inc.
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* 1785 E. Sahara Avenue, Suite 490-204
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* Las Vegas, Nevada 89104
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @filesource
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* @copyright Copyright (c) 2006, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
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* @package cake
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* @subpackage cake.cake.libs.model.dbo
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* @since CakePHP v 0.2.9
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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/**
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* Include AdoDB files.
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*/
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vendor ('adodb' . DS . 'adodb.inc.php');
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uses ('model' . DS . 'datasources' . DS . 'dbo_source');
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/**
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* AdoDB DBO implementation.
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*
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* Database abstraction implementation for the AdoDB library.
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*
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* @package cake
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* @subpackage cake.cake.libs.model.dbo
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*/
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class DboAdodb extends DboSource{
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/**
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* Enter description here...
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*
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* @var unknown_type
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*/
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var $description = "ADOdb DBO Driver";
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/**
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* ADOConnection object with which we connect.
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*
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* @var ADOConnection The connection object.
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* @access private
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*/
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var $_adodb = null;
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/**
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* Array translating ADOdb column MetaTypes to cake-supported metatypes
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*
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* @var array
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* @access private
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*/
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var $_adodb_column_types = array('C' => 'string',
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'X' => 'text',
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'D' => 'date',
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'T' => 'timestamp',
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'L' => 'boolean',
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'N' => 'float',
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'I' => 'integer',
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'R' => 'integer', // denotes auto-increment or counter field
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'B' => 'binary');
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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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* @param array $config Configuration array for connecting
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*/
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function connect() {
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$config =$this->config;
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$persistent=strrpos($config['connect'], '|p');
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if ($persistent === FALSE) {
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$adodb_driver=$config['connect'];
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$connect ='Connect';
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} else {
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$adodb_driver=substr($config['connect'], 0, $persistent);
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$connect ='PConnect';
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}
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$this->_adodb =NewADOConnection($adodb_driver);
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$adodb =&$this->_adodb;
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$this->connected=$adodb->$connect($config['host'], $config['login'], $config['password'],
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$config['database']);
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return $this->connected;
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}
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/**
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* Disconnects from database.
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*
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* @return boolean True if the database could be disconnected, else false
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*/
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function disconnect() {
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return $this->_adodb->Close();
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}
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/**
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* Executes given SQL statement.
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*
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* @param string $sql SQL statement
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* @return resource Result resource identifier
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*/
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function _execute($sql) {
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return $this->_adodb->execute($sql);
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}
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/**
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* Returns a row from given resultset as an array .
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*
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* @return array The fetched row as an array
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*/
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function fetchRow() {
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if ($this->_result->EOF) {
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return null;
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}
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return $this->_result->FetchRow();
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}
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/**
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* Begin a transaction
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*
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* @param unknown_type $model
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* @return boolean True on success, false on fail
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* (i.e. if the database/model does not support transactions).
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*/
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function begin(&$model) {
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if (parent::begin($model)) {
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if ($this->_adodb->BeginTrans()) {
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$this->__transactionStarted=true;
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return true;
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}
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}
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return false;
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}
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/**
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* Commit a transaction
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*
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* @param unknown_type $model
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* @return boolean True on success, false on fail
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* (i.e. if the database/model does not support transactions,
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* or a transaction has not started).
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*/
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function commit(&$model) {
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if (parent::commit($model)) {
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$this->__transactionStarted;
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return $this->_adodb->CommitTrans();
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}
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return false;
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}
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/**
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* Rollback a transaction
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*
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* @param unknown_type $model
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* @return boolean True on success, false on fail
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* (i.e. if the database/model does not support transactions,
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* or a transaction has not started).
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*/
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function rollback(&$model) {
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if (parent::rollback($model)) {
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return $this->_adodb->RollbackTrans();
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}
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return false;
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}
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/**
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* Returns an array of tables in the database. If there are no tables, an error is raised and the application exits.
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*
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* @return array Array of tablenames in the database
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*/
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function listSources() {
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$tables=$this->_adodb->MetaTables('TABLES');
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if (!sizeof($tables) > 0) {
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trigger_error(ERROR_NO_TABLE_LIST, E_USER_NOTICE);
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exit;
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}
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return $tables;
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}
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/**
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* Returns an array of the fields in the table used by the given model.
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*
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*
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* @param AppModel $model Model object
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* @return array Fields in table. Keys are name and type
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*/
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function describe(&$model) {
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$cache=parent::describe($model);
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if ($cache != null) {
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return $cache;
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}
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$fields=false;
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$cols =$this->_adodb->MetaColumns($this->fullTableName($model));
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foreach($cols as $column) {
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$fields[] = array('name' => $column->name,
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'type' => $column->type);
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}
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$this->__cacheDescription($model->tablePrefix . $model->table, $fields);
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return $fields;
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}
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/**
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* Returns a quoted and escaped string of $data for use in an SQL statement.
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*
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* @param string $data String to be prepared for use in an SQL statement
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* @return string Quoted and escaped
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*
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* @todo To be implemented.
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*/
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function value($data) {
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return $this->_adodb->Quote($data);
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}
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/**
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* Returns a formatted error message from previous database operation.
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*
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* @return string Error message
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*/
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function lastError() {
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return $this->_adodb->ErrorMsg();
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}
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/**
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* Returns number of affected rows in previous database operation, or false if no previous operation exists.
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*
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* @return int Number of affected rows
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*/
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function lastAffected() {
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return $this->_adodb->Affected_Rows();
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}
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/**
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* Returns number of rows in previous resultset, or false if no previous resultset exists.
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*
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* @return int Number of rows in resultset
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*/
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function lastNumRows() {
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return $this->_result ? $this->_result->RecordCount() : false;
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}
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/**
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* Returns the ID generated from the previous INSERT operation.
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*
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* @return int
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*
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* @Returns the last autonumbering ID inserted. Returns false if function not supported.
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*/
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function lastInsertId() {
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return $this->_adodb->Insert_ID();
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}
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/**
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* Returns a LIMIT statement in the correct format for the particular database.
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*
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* @param int $limit Limit of results returned
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* @param int $offset Offset from which to start results
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* @return string SQL limit/offset statement
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* @todo Please change output string to whatever select your database accepts. adodb doesn't allow us to get the correct limit string out of it.
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*/
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function limit($limit, $offset = null) {
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return " LIMIT {$limit}" . ($offset ? "{$offset}" : null);
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// please change to whatever select your database accepts
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// adodb doesn't allow us to get the correct limit string out of it
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}
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/**
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* Converts database-layer column types to basic types
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*
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* @param string $real Real database-layer column type (i.e. "varchar(255)")
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* @return string Abstract column type (i.e. "string")
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*/
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function column($real) {
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if (isset($this->_result)) {
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$adodb_metatyper = &$this->_result;
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} else {
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$adodb_metatyper = &$this->_adodb->execute('Select 1');
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}
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$interpreted_type=$adodb_metatyper->MetaType($real);
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if (!isset($this->_adodb_column_types[$interpreted_type])) {
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return 'text';
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}
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return $this->_adodb_column_types[$interpreted_type];
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}
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/**
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* Returns a quoted and escaped string of $data for use in an SQL statement.
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*
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* @param string $data String to be prepared for use in an SQL statement
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* @param string $column_type The type of the column into which this data will be inserted
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* @param boolean $safe Whether or not numeric data should be handled automagically if no column data is provided
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* @return string Quoted and escaped data
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*/
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function value($data, $column = null, $safe = false) {
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$parent=parent::value($data, $column, $safe);
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if ($parent != null) {
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return $parent;
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}
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if ($data === null) {
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return 'NULL';
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}
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if ($data == '') {
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return "''";
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}
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if (ini_get('magic_quotes_gpc') == 1) {
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$data = stripslashes($data);
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}
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return $this->_adodb->qstr($data);
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}
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/**
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* Returns an array of all result rows for a given SQL query.
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* Returns false if no rows matched.
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*
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* @param string $sql SQL statement
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* @param boolean $cache Enables returning/storing cached query results
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* @param string $modelName Name of model for first array dimension of results
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* @return array Array of resultset rows, or false if no rows matched
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*/
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function fetchAll($sql, $cache = true, $modelName = null) {
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$result=parent::fetchAll($sql, $cache);
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if (!$result) {
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return false;
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}
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foreach($result as $key => $value) {
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$return[$key][$modelName] = $value;
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}
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return $return;
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}
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}
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?>
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