egroupware/phpgwapi/inc/class.db_sybase.inc.php

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<?php
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/**************************************************************************\
* phpGroupWare API - Sybase DB support *
* Copyright (c) 1998,1999 SH Online Dienst GmbH Boris Erdmann, *
* Kristian Koehntopp *
* Adapted from db_mysql.inc by Sascha Schumann <sascha@schumann.cx> *
* metadata() contributed by Adelino Monteiro <adelino@infologia.pt> *
* ------------------------------------------------------------------------ *
* This is not part of phpGroupWare, but is used by phpGroupWare. *
* http://www.phpgroupware.org/ *
* ------------------------------------------------------------------------ *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation; either version 2.1 of the License, or *
* any later version. *
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\**************************************************************************/
/* $Id$ */
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class db
{
function connect($Database = '', $Host = '', $Port = '', $User = '', $Password = '')
{
/* Handle defaults */
if ($Database == '')
{
$Database = $this->Database;
}
if ($Host == '')
{
$Host = $this->Host;
}
if ($Port == '')
{
$Port = $this->Port;
}
if ($User == '')
{
$User = $this->User;
}
if ($Password == '')
{
$Password = $this->Password;
}
if (! $this->Link_ID)
{
if ($GLOBALS['phpgw_info']['server']['db_persistent'])
{
$this->Link_ID=sybase_pconnect($Host,$User,$Password);
}
else
{
$this->Link_ID=sybase_connect($Host,$User,$Password);
}
}
if (!$this->Link_ID)
{
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$this->halt('Link-ID == false, '.($GLOBALS['phpgw_info']['server']['db_persistent']?'p':'')..'connect failed');
}
if(!sybase_select_db($Database, $this->Link_ID))
{
$this->halt('cannot use database '.$Database);
}
}
function db_addslashes($str)
{
if (!IsSet($str) || $str == '')
{
return '';
}
return str_replace("'", "''", $str);
}
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function query($Query_String)
{
$this->connect();
# printf("Debug: query = %s<br>\n", $Query_String);
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$this->Query_ID = sybase_query($Query_String,$this->Link_ID);
$this->Row = 0;
if (!$this->Query_ID)
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{
$this->halt('Invalid SQL: '.$Query_String);
}
return $this->Query_ID;
}
function next_record()
{
$this->Record = sybase_fetch_array($this->Query_ID);
$this->Row += 1;
$stat = is_array($this->Record);
if (!$stat && $this->Auto_Free)
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{
sybase_free_result($this->Query_ID);
$this->Query_ID = 0;
}
return $stat;
}
function seek($pos)
{
$status = sybase_data_seek($this->Query_ID, $pos);
if ($status)
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{
$this->Row = $pos;
}
return;
}
function metadata($table)
{
$count = 0;
$id = 0;
$res = array();
$this->connect();
$result = $this->query("exec sp_columns $table");
if ($result < 0)
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{
$this->Errno = 1;
$this->Error = 'Metadata query failed';
$this->halt('Metadata query failed.');
}
$count = sybase_num_rows($result);
for ($i=0; $i<$count; $i++)
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{
$res[$i]['table'] = $table ;
$res[$i]['name'] = sybase_result ($result, $i, 'COLUMN_NAME');
$res[$i]['type'] = sybase_result ($result, $i, 'TYPE_NAME');
$res[$i]['len'] = sybase_result ($result, $i, 'LENGTH');
$res[$i]['position'] = sybase_result ($result, $i, 'ORDINAL_POSITION');
$res[$i]['flags'] = sybase_result ($result, $i, 'REMARKS');
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}
}
function affected_rows()
{
return sybase_affected_rows($this->Query_ID);
}
function num_rows()
{
return sybase_num_rows($this->Query_ID);
}
function num_fields()
{
return sybase_num_fields($this->Query_ID);
}
function f($Name, $strip_slashes = False)
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{
if ($strip_slashes || ($this->auto_stripslashes && ! $strip_slashes))
{
return str_replace("''", "'", $this->Record[$Name]);
}
else
{
return $this->Record[$Name];
}
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}
function halt($msg)
{
printf("<b>Database error:</b> %s<br>\n", $msg);
printf("<b>Sybase Error</b><br>\n");
die("Session halted.");
}
function create_database($adminname = '', $adminpasswd = '')
{
return False;
}
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}
?>