mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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42083e0a1b
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@6707 3807eeeb-6ff5-0310-8944-8be069107fe0
506 lines
No EOL
13 KiB
PHP
506 lines
No EOL
13 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* Firebird/Interbase 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(tm) : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright 2005-2008, 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 2005-2008, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs.model.dbo
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* @since CakePHP(tm) v 1.2.0.5152
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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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* Short description for class.
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*
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* Long description for class
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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 DboFirebird 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 = "Firebird/Interbase DBO Driver";
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/**
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* Saves the original table name
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*
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* @var unknown_type
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*/
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var $modeltmp = array();
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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 $startQuote = "\'";
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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 $endQuote = "\'";
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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 $alias = ' ';
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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 $goofyLimit = true;
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/**
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* Creates a map between field aliases and numeric indexes.
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*
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* @var array
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*/
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var $__fieldMappings = array();
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/**
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* Base configuration settings for Firebird driver
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*
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* @var array
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*/
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var $_baseConfig = array(
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'persistent' => true,
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'host' => 'localhost',
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'login' => 'SYSDBA',
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'password' => 'masterkey',
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'database' => 'c:\\CAKE.FDB',
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'port' => '3050',
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'connect' => 'ibase_connect'
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);
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/**
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* Firebird column definition
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*
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* @var array
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*/
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var $columns = array(
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'primary_key' => array('name' => 'IDENTITY (1, 1) NOT NULL'),
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'string' => array('name' => 'varchar', 'limit' => '255'),
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'text' => array('name' => 'BLOB SUB_TYPE 1 SEGMENT SIZE 100 CHARACTER SET NONE'),
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'integer' => array('name' => 'integer'),
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'float' => array('name' => 'float', 'formatter' => 'floatval'),
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'datetime' => array('name' => 'timestamp', 'format' => 'd.m.Y H:i:s', 'formatter' => 'date'),
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'timestamp' => array('name' => 'timestamp', 'format' => 'd.m.Y H:i:s', 'formatter' => 'date'),
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'time' => array('name' => 'time', 'format' => 'H:i:s', 'formatter' => 'date'),
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'date' => array('name' => 'date', 'format' => 'd.m.Y', 'formatter' => 'date'),
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'binary' => array('name' => 'blob'),
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'boolean' => array('name' => 'smallint')
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);
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/**
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* Connects to the database using options in the given configuration array.
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*
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* @return boolean True if the database could be connected, else false
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*/
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function connect() {
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$config = $this->config;
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$connect = $config['connect'];
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$this->connected = false;
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$this->connection = $connect($config['host'] . ':' . $config['database'], $config['login'], $config['password']);
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$this->connected = true;
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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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$this->connected = false;
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return @ibase_close($this->connection);
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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 $sql SQL statement
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* @return resource Result resource identifier
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* @access protected
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*/
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function _execute($sql) {
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if (strpos(strtolower($sql),"update") > 0) {
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break;
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}
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return @ibase_query($this->connection, $sql);
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}
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/**
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* Returns a row from given resultset as an array .
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*
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* @return array The fetched row as an array
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*/
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function fetchRow() {
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if (is_resource($this->_result)) {
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$this->resultSet($this->_result);
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$resultRow = $this->fetchResult();
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return $resultRow;
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} else {
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return null;
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}
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}
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/**
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* Returns an array of sources (tables) in the database.
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*
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* @return array Array of tablenames in the database
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*/
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function listSources() {
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$cache = parent::listSources();
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if ($cache != null) {
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return $cache;
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}
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$sql = "select RDB" . "$" . "RELATION_NAME as name
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FROM RDB" ."$" . "RELATIONS
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Where RDB" . "$" . "SYSTEM_FLAG =0";
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$result = @ibase_query($this->connection,$sql);
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$tables = array();
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while ($row = ibase_fetch_row ($result)) {
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$tables[] = strtolower(trim($row[0]));
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}
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parent::listSources($tables);
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return $tables;
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}
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/**
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* Returns an array of the fields in given table name.
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*
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* @param Model $model Model object to describe
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* @return array Fields in table. Keys are name and type
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*/
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function describe(&$model) {
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$this->modeltmp[$model->table] = $model->alias;
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$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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$sql = "SELECT * FROM " . $this->fullTableName($model, false);
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$rs = ibase_query($sql);
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$coln = ibase_num_fields($rs);
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$fields = false;
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for ($i = 0; $i < $coln; $i++) {
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$col_info = ibase_field_info($rs, $i);
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$fields[strtolower($col_info['name'])] = array(
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'type' => $this->column($col_info['type']),
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'null' => '',
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'length' => $col_info['length']
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);
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}
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$this->__cacheDescription($this->fullTableName($model, false), $fields);
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return $fields;
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}
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/**
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* Returns a quoted name of $data for use in an SQL statement.
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*
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* @param string $data Name (table.field) to be prepared for use in an SQL statement
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* @return string Quoted for Firebird
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*/
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function name($data) {
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if ($data == '*') {
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return '*';
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}
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$pos = strpos($data, '"');
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if ($pos === false) {
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if (!strpos($data, ".")) {
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$data = '"' . strtoupper($data) . '"';
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} else {
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$build = explode('.', $data);
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$data = '"' . strtoupper($build[0]) . '"."' . strtoupper($build[1]) . '"';
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}
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}
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return $data;
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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 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 ($data === '') {
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return "''";
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}
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switch($column) {
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case 'boolean':
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$data = $this->boolean((bool)$data);
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break;
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default:
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if (get_magic_quotes_gpc()) {
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$data = stripslashes(str_replace("'", "''", $data));
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} else {
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$data = str_replace("'", "''", $data);
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}
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break;
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}
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return "'" . $data . "'";
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}
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/**
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* Removes Identity (primary key) column from update data before returning to parent
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*
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* @param Model $model
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* @param array $fields
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* @param array $values
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* @return array
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*/
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function update(&$model, $fields = array(), $values = array()) {
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foreach ($fields as $i => $field) {
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if ($field == $model->primaryKey) {
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unset ($fields[$i]);
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unset ($values[$i]);
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break;
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}
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}
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return parent::update($model, $fields, $values);
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}
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/**
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* Returns a formatted error message from previous database operation.
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*
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* @return string Error message with error number
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*/
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function lastError() {
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$error = ibase_errmsg();
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if ($error !== false) {
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return $error;
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}
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return null;
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}
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/**
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* Returns number of affected rows in previous database operation. If no previous operation exists,
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* this returns false.
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*
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* @return integer Number of affected rows
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*/
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function lastAffected() {
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if ($this->_result) {
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return ibase_affected_rows($this->connection);
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}
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return null;
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}
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/**
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* Returns number of rows in previous resultset. If no previous resultset exists,
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* this returns false.
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*
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* @return integer Number of rows in resultset
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*/
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function lastNumRows() {
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return $this->_result? /*ibase_affected_rows($this->_result)*/ 1: 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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* @param unknown_type $source
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* @return in
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*/
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function lastInsertId($source = null, $field = 'id') {
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$query = "SELECT RDB\$TRIGGER_SOURCE
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FROM RDB\$TRIGGERS WHERE RDB\$RELATION_NAME = '". strtoupper($source) . "' AND
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RDB\$SYSTEM_FLAG IS NULL AND RDB\$TRIGGER_TYPE = 1 ";
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$result = @ibase_query($this->connection,$query);
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$generator = "";
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while ($row = ibase_fetch_row($result, IBASE_TEXT)) {
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if (strpos($row[0], "NEW." . strtoupper($field))) {
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$pos = strpos($row[0], "GEN_ID(");
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if ($pos > 0) {
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$pos2 = strpos($row[0],",",$pos + 7);
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if ($pos2 > 0) {
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$generator = substr($row[0], $pos +7, $pos2 - $pos- 7);
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}
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}
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break;
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}
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}
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if (!empty($generator)) {
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$sql = "SELECT GEN_ID(". $generator . ",0) AS maxi FROM RDB" . "$" . "DATABASE";
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$res = $this->rawQuery($sql);
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$data = $this->fetchRow($res);
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return $data['maxi'];
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} else {
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return false;
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}
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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 integer $limit Limit of results returned
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* @param integer $offset Offset from which to start results
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* @return string SQL limit/offset statement
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*/
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function limit($limit, $offset = null) {
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if ($limit) {
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$rt = '';
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if (!strpos(strtolower($limit), 'top') || strpos(strtolower($limit), 'top') === 0) {
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$rt = ' FIRST';
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}
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$rt .= ' ' . $limit;
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if (is_int($offset) && $offset > 0) {
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$rt .= ' SKIP ' . $offset;
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}
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return $rt;
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}
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return null;
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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 (is_array($real)) {
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$col = $real['name'];
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if (isset($real['limit'])) {
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$col .= '(' . $real['limit'] . ')';
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}
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return $col;
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}
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$col = str_replace(')', '', $real);
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$limit = null;
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@list($col, $limit)=explode('(', $col);
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if (in_array($col, array('DATE', 'TIME'))) {
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return strtolower($col);
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}
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if ($col == 'TIMESTAMP') {
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return 'datetime';
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}
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if ($col == 'SMALLINT') {
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return 'boolean';
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}
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if (strpos($col, 'int') !== false || $col == 'numeric' || $col == 'INTEGER') {
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return 'integer';
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}
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if (strpos($col, 'char') !== false) {
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return 'string';
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}
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if (strpos($col, 'text') !== false) {
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return 'text';
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}
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if (strpos($col, 'VARCHAR') !== false) {
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return 'string';
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}
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if (strpos($col, 'BLOB') !== false) {
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return 'text';
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}
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if (in_array($col, array('FLOAT', 'NUMERIC', 'DECIMAL'))) {
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return 'float';
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}
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return 'text';
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}
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/**
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* Enter description here...
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*
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* @param unknown_type $results
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*/
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function resultSet(&$results) {
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$this->results =& $results;
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$this->map = array();
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$num_fields = ibase_num_fields($results);
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$index = 0;
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$j = 0;
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while ($j < $num_fields) {
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$column = ibase_field_info($results, $j);
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if (!empty($column[2])) {
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$this->map[$index++] = array(ucfirst(strtolower($this->modeltmp[strtolower($column[2])])), strtolower($column[1]));
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} else {
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$this->map[$index++] = array(0, strtolower($column[1]));
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}
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$j++;
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}
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}
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/**
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* Builds final SQL statement
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*
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* @param string $type Query type
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* @param array $data Query data
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* @return string
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*/
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function renderStatement($type, $data) {
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extract($data);
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if (strtolower($type) == 'select') {
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if (preg_match('/offset\s+([0-9]+)/i', $limit, $offset)) {
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$limit = preg_replace('/\s*offset.*$/i', '', $limit);
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preg_match('/top\s+([0-9]+)/i', $limit, $limitVal);
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$offset = intval($offset[1]) + intval($limitVal[1]);
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$rOrder = $this->__switchSort($order);
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list($order2, $rOrder) = array($this->__mapFields($order), $this->__mapFields($rOrder));
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return "SELECT * FROM (SELECT {$limit} * FROM (SELECT TOP {$offset} {$fields} FROM {$table} {$alias} {$joins} {$conditions} {$order}) AS Set1 {$rOrder}) AS Set2 {$order2}";
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} else {
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return "SELECT {$limit} {$fields} FROM {$table} {$alias} {$joins} {$conditions} {$order}";
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}
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} else {
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return parent::renderStatement($type, $data);
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}
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}
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/**
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* Fetches the next row from the current result set
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*
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* @return unknown
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*/
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function fetchResult() {
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if ($row = ibase_fetch_row($this->results, IBASE_TEXT)) {
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$resultRow = array();
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$i = 0;
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foreach ($row as $index => $field) {
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list($table, $column) = $this->map[$index];
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if (trim($table) == "") {
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$resultRow[0][$column] = $row[$index];
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} else {
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$resultRow[$table][$column] = $row[$index];
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$i++;
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}
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}
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return $resultRow;
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} else {
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return false;
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}
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}
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}
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?>
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