www.gusucode.com > FavShop网店系统源码程序 > FavShop网店系统 1.0/upload/cake/libs/model/datasources/dbo/dbo_odbc.php
<?php
/* SVN FILE: $Id: dbo_odbc.php 6311 2008-01-02 06:33:52Z phpnut $ */
/**
* ODBC for DBO
*
* Long description for file
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
* Copyright 2005-2008, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2008, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs.model.dbo
* @since CakePHP(tm) v 0.10.5.1790
* @version $Revision: 6311 $
* @modifiedby $LastChangedBy: phpnut $
* @lastmodified $Date: 2008-01-02 00:33:52 -0600 (Wed, 02 Jan 2008) $
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Short description for class.
*
* Long description for class
*
* @package cake
* @subpackage cake.cake.libs.model.datasources.dbo
*/
class DboOdbc extends DboSource{
/**
* Driver description
*
* @var string
*/
var $description = "ODBC DBO Driver";
/**
* Table/column starting quote
*
* @var string
*/
var $startQuote = "`";
/**
* Table/column end quote
*
* @var string
*/
var $endQuote = "`";
/**
* Driver base configuration
*
* @var array
*/
var $_baseConfig = array('persistent' => true,
'login' => 'root',
'password' => '',
'database' => 'cake',
'connect' => 'odbc_pconnect'
);
/**
* Enter description here...
*
* @var unknown_type
*/
var $columns = array();
// var $columns = array('primary_key' => array('name' => 'int(11) DEFAULT NULL auto_increment'),
// 'string' => array('name' => 'varchar', 'limit' => '255'),
// 'text' => array('name' => 'text'),
// 'integer' => array('name' => 'int', 'limit' => '11'),
// 'float' => array('name' => 'float'),
// 'datetime' => array('name' => 'datetime', 'format' => 'Y-m-d h:i:s', 'formatter' => 'date'),
// 'timestamp' => array('name' => 'datetime', 'format' => 'Y-m-d h:i:s', 'formatter' => 'date'),
// 'time' => array('name' => 'time', 'format' => 'h:i:s', 'formatter' => 'date'),
// 'date' => array('name' => 'date', 'format' => 'Y-m-d', 'formatter' => 'date'),
// 'binary' => array('name' => 'blob'),
// 'boolean' => array('name' => 'tinyint', 'limit' => '1'));
/**
* Connects to the database using options in the given configuration array.
*
* @return boolean True if the database could be connected, else false
*/
function connect() {
$config = $this->config;
$connect = $config['connect'];
$this->connected = false;
$this->connection = $connect($config['database'], $config['login'], $config['password']);
if ($this->connection) {
$this->connected = true;
}
return $this->connected;
}
/**
* Disconnects from database.
*
* @return boolean True if the database could be disconnected, else false
*/
function disconnect() {
return @odbc_close($this->connection);
}
/**
* Executes given SQL statement.
*
* @param string $sql SQL statement
* @return resource Result resource identifier
* @access protected
*/
function _execute($sql) {
return odbc_exec($this->connection, $sql);
}
/**
* Returns an array of sources (tables) in the database.
*
* @return array Array of tablenames in the database
*/
function listSources() {
$cache = parent::listSources();
if ($cache != null) {
return $cache;
}
/*$result = odbc_tables($this->connection);
if (function_exists('odbc_fetch_row')) {
echo 'GOOD';
} else {
echo 'BAD';
}*/
$result = odbc_tables($this->connection);
$tables = array();
while (odbc_fetch_row($result)) {
array_push($tables, odbc_result($result, "TABLE_NAME"));
}
parent::listSources($tables);
return $tables;
}
/**
* Returns an array of the fields in given table name.
*
* @param Model $model Model object to describe
* @return array Fields in table. Keys are name and type
*/
function &describe(&$model) {
$cache=parent::describe($model);
if ($cache != null) {
return $cache;
}
$fields = array();
$sql = 'SELECT * FROM ' . $this->fullTableName($model);
$result = odbc_exec($this->connection, $sql);
$count = odbc_num_fields($result);
for ($i = 1; $i <= $count; $i++) {
$cols[$i - 1] = odbc_field_name($result, $i);
}
foreach ($cols as $column) {
$type = odbc_field_type(odbc_exec($this->connection, "SELECT " . $column . " FROM " . $this->fullTableName($model)), 1);
$fields[$column] = array('type' => $type);
}
$this->__cacheDescription($model->tablePrefix . $model->table, $fields);
return $fields;
}
function name($data) {
if ($data == '*') {
return '*';
}
$pos = strpos($data, '`');
if ($pos === false) {
$data = '' . str_replace('.', '.', $data) . '';
//$data = '`'. str_replace('.', '`.`', $data) .'`';
}
return $data;
}
/**
* Returns a quoted and escaped string of $data for use in an SQL statement.
*
* @param string $data String to be prepared for use in an SQL statement
* @param string $column The column into which this data will be inserted
* @return string Quoted and escaped
* @todo Add logic that formats/escapes data based on column type
*/
function value($data, $column = null) {
$parent=parent::value($data, $column);
if ($parent != null) {
return $parent;
}
if ($data === null) {
return 'NULL';
}
// $data = mysql_real_escape_string($data, $this->connection);
if (!is_numeric($data)) {
$return = "'" . $data . "'";
} else {
$return = $data;
}
return $return;
}
/**
* Not sure about this one, MySQL needs it but does ODBC? Safer just to leave it
* Translates between PHP boolean values and MySQL (faked) boolean values
*
* @param mixed $data Value to be translated
* @return mixed Converted boolean value
*/
function boolean($data) {
if ($data === true || $data === false) {
if ($data === true) {
return 1;
}
return 0;
} else {
if (intval($data !== 0)) {
return true;
}
return false;
}
}
/**
* Begin a transaction
*
* @param unknown_type $model
* @return boolean True on success, false on fail
* (i.e. if the database/model does not support transactions).
*/
function begin(&$model) {
if (parent::begin($model)) {
if (odbc_autocommit($this->connection, false)) {
$this->_transactionStarted = true;
return true;
}
}
return false;
}
/**
* Commit a transaction
*
* @param unknown_type $model
* @return boolean True on success, false on fail
* (i.e. if the database/model does not support transactions,
* or a transaction has not started).
*/
function commit(&$model) {
if (parent::commit($model)) {
if (odbc_commit($this->connection)) {
$this->_transactionStarted = false;
return true;
}
}
return false;
}
/**
* Rollback a transaction
*
* @param unknown_type $model
* @return boolean True on success, false on fail
* (i.e. if the database/model does not support transactions,
* or a transaction has not started).
*/
function rollback(&$model) {
if (parent::rollback($model)) {
$this->_transactionStarted=false;
return odbc_rollback($this->connection);
}
return false;
}
/**
* Returns a formatted error message from previous database operation.
*
* @return string Error message with error number
*/
function lastError() {
if (odbc_error($this->connection)) {
return odbc_error($this->connection) . ': ' . odbc_errormsg($this->connection);
}
return null;
}
/**
* Returns number of affected rows in previous database operation. If no previous operation exists,
* this returns false.
*
* @return integer Number of affected rows
*/
function lastAffected() {
if ($this->_result) {
return null;
}
return null;
}
/**
* Returns number of rows in previous resultset. If no previous resultset exists,
* this returns false.
*
* @return integer Number of rows in resultset
*/
function lastNumRows() {
if ($this->_result) {
return@odbc_num_rows($this->_result);
}
return null;
}
/**
* Returns the ID generated from the previous INSERT operation.
*
* @param unknown_type $source
* @return int
*/
function lastInsertId($source = null) {
$result=$this->fetchRow('SELECT @@IDENTITY');
return $result[0];
}
/**
* Enter description here...
*
* @param string $real Real database-layer column type (i.e. "varchar(255)")
*/
function column($real) {
if (is_array($real)) {
$col=$real['name'];
if (isset($real['limit'])) {
$col .= '(' . $real['limit'] . ')';
}
return $col;
}
return $real;
}
/**
* Enter description here...
*
* @param unknown_type $results
*/
function resultSet(&$results) {
$this->results=&$results;
$this->map=array();
$num_fields =odbc_num_fields($results);
$index =0;
$j =0;
while ($j < $num_fields) {
$column = odbc_fetch_array($results, $j);
if (!empty($column->table)) {
$this->map[$index++] = array($column->table,
$column->name);
} else {
echo array(0,
$column->name);
$this->map[$index++]=array(0,
$column->name);
}
$j++;
}
}
/**
* Fetches the next row from the current result set
*
* @return unknown
*/
function fetchResult() {
if ($row = odbc_fetch_row($this->results)) {
$resultRow=array();
$i=0;
foreach ($row as $index => $field) {
list($table, $column) = $this->map[$index];
$resultRow[$table][$column]=$row[$index];
$i++;
}
return $resultRow;
} else {
return false;
}
}
}
?>