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sybase.php
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PHP Script
|
2001-02-19
|
4KB
|
169 lines
<?php
//
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2001 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.02 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Sterling Hughes <sterling@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: sybase.php,v 1.15 2001/02/19 12:22:26 ssb Exp $
//
// Database independent query interface definition for PHP's Sybase
// extension.
//
require_once 'DB/common.php';
class DB_sybase extends DB_common
{
// {{{ properties
var $connection;
var $phptype, $dbsyntax;
var $prepare_tokens = array();
var $prepare_types = array();
// }}}
// {{{ constructor
function DB_sybase()
{
$this->DB_common();
$this->phptype = 'sybase';
$this->dbsyntax = 'sybase';
$this->features = array(
'prepare' => false,
'pconnect' => true,
'transactions' => false
);
}
// }}}
// {{{ connect()
function connect($dsn, $persistent = false)
{
if (is_array($dsn)) {
$dsninfo = &$dsn;
} else {
$dsninfo = DB::parseDSN($dsn);
}
if (!$dsninfo || !$dsninfo['phptype']) {
return $this->raiseError();
}
$this->dsn = $dsninfo;
$dbhost = $dsninfo['hostspec'] ? $dsninfo['hostspec'] : 'localhost';
$connect_function = $persistent ? 'sybase_pconnect' : 'sybase_connect';
$conn = $dbhost ? $connect_function($dbhost) : false;
$dsninfo['database'] && @sybase_select_db($dsninfo['database'], $conn);
$this->connection = $conn;
return DB_OK;
}
// }}}
// {{{ disconnect()
function disconnect()
{
return @sybase_close($this->connection);
}
// }}}
// {{{ simpleQuery()
function simpleQuery($query)
{
$this->last_query = $query;
$query = $this->modifyQuery($query);
$result = @sybase_query($query, $this->connection);
if (!$result) {
return $this->raiseError();
}
// Determine which queries that should return data, and which
// should return an error code only.
return DB::isManip($query) ? DB_OK : $result;
}
// }}}
// {{{ fetchRow()
function &fetchRow($result, $fetchmode = DB_FETCHMODE_DEFAULT)
{
if ($fetchmode == DB_FETCHMODE_DEFAULT) {
$fetchmode = $this->fetchmode;
}
$row = ($fetchmode & DB_FETCHMODE_ASSOC) ? @sybase_fetch_array($result) : @sybase_fetch_row($result);
if (!$row) {
if ($errmsg = sybase_get_last_message()) {
return $this->raiseError($errmsg);
} else {
return null;
}
}
return $row;
}
// }}}
// {{{ fetchInto()
function fetchInto($result, &$ar, $fetchmode=DB_FETCHMODE_DEFAULT)
{
if ($fetchmode == DB_FETCHMODE_DEFAULT) {
$fetchmode = $this->fetchmode;
}
$ar = ($fetchmode & DB_FETCHMODE_ASSOC) ? @sybase_fetch_array($result) : @sybase_fetch_row($result);
if (!$ar) {
return $this->raiseError();
}
return DB_OK;
}
// }}}
// {{{ freeResult()
function freeResult($result)
{
if (is_resource($result)) {
return @sybase_free_result($result);
}
if (!isset($this->prepare_tokens[$result])) {
return false;
}
unset($this->prepare_tokens[$result]);
unset($this->prepare_types[$result]);
return true;
}
// }}}
// {{{ numCols()
function numCols($result)
{
$cols = @sybase_num_fields($result);
if (!$cols) {
return $this->raiseError();
}
return $cols;
}
// }}}
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
?>