egroupware_official/phpgwapi/inc/class.db_msql.inc.php

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<?php
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/**************************************************************************\
* phpGroupWare API - *
* Copyright (c) 1998,1999 SH Online Dienst GmbH Boris Erdmann, *
* Kristian Koehntopp *
* ------------------------------------------------------------------------ *
* 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
{
var $Host = '';
var $Database = '';
var $Link_ID = 0;
var $Query_ID = 0;
var $Record = array();
var $Row;
var $Error = '';
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var $Auto_Free = 0; /* Set this to 1 for automatic msql_free_result() */
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function connect()
{
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/* Not connected? Then connect? */
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if ( 0 == $this->Link_ID )
{
// Check for local connect
$this->Link_ID = empty($this->Host)?
$this->Link_ID=msql_pconnect():
$this->Link_ID=msql_pconnect($this->Host);
}
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/* Still not connected? Raise error. */
if(0 == $this->Link_ID)
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{
$this->halt('Link-ID == false, pconnect failed');
}
// Select current database
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if(!msql_select_db($this->Database, $this->Link_ID))
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{
$this->halt('cannot use database '.$this->Database);
}
}
function query($Query_String)
{
$this->connect();
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/* printf("Debug: query = %s<br>\n", $Query_String); */
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$this->Query_ID = msql_query($Query_String,$this->Link_ID);
$this->Row = 0;
$this->Error = msql_error();
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if(!$this->Query_ID)
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{
$this->halt('Invalid SQL: '.$Query_String);
}
return $this->Query_ID;
}
function next_record()
{
$this->Record = msql_fetch_array($this->Query_ID);
$this->Row += 1;
$this->Error = msql_error();
$stat = is_array($this->Record);
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if(!$stat && $this->Auto_Free)
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{
msql_free_result($this->Query_ID);
$this->Query_ID = 0;
}
return $stat;
}
function seek($pos)
{
$status = msql_data_seek($this->Query_ID, $pos);
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if($status)
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{
$this->Row = $pos;
}
return;
}
function metadata($table)
{
$count = 0;
$id = 0;
$res = array();
$this->connect();
$id = @msql_list_fields($this->Database, $table);
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if($id < 0)
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{
$this->Error = msql_error();
$this->halt('Metadata query failed.');
}
$count = msql_num_fields($id);
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for($i=0; $i<$count; $i++)
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{
$res[$i]['table'] = msql_fieldtable ($id, $i);
$res[$i]['name'] = msql_fieldname ($id, $i);
$res[$i]['type'] = msql_fieldtype ($id, $i);
$res[$i]['len'] = msql_fieldlen ($id, $i);
$res[$i]['flags'] = msql_fieldflags ($id, $i);
$res['meta'][$res[$i]['name']] = $i;
$res['num_fields']= $count;
}
msql_free_result($id);
return $res;
}
function affected_rows()
{
return msql_affected_rows($this->Query_ID);
}
function num_rows()
{
return msql_num_rows($this->Query_ID);
}
function num_fields()
{
return msql_num_fields($this->Query_ID);
}
function nf()
{
return $this->num_rows();
}
function np()
{
print $this->num_rows();
}
function f($Name)
{
return $this->Record[$Name];
}
function p($Name)
{
print $this->Record[$Name];
}
function halt($msg)
{
printf("<b>Database error:</b> %s<br>\n", $msg);
printf("<b>MSQL Error</b>: %s<br>\n", $this->Error);
die('Session halted.');
}
}
?>