Det bliver en masse kode der er postet efterhånden ;-)
<?php
/**************************************************************************\
* phpGroupWare API - MySQL database support *
* Copyright (c) 1998-2000 NetUSE AG 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. *
\**************************************************************************/
/* $Id: class.db_mysql.inc.php,v 1.1.1.1 2001/07/11 13:51:09 sameon Exp $ */
class db {
/* public: connection parameters */
var $Host = $server;
var $Database = $db;
var $User = $login;
var $Password = $pass;
/* public: configuration parameters */
var $use_pconnect = True;
var $auto_stripslashes = False;
var $Auto_Free = 0; ## Set to 1 for automatic mysql_free_result()
var $Debug = 0; ## Set to 1 for debugging messages.
var $Halt_On_Error = "yes"; ## "yes" (halt with message), "no" (ignore errors quietly), "report" (ignore errror, but spit a warning)
var $Seq_Table = "db_sequence";
/* public: result array and current row number */
var $Record = array();
var $Row;
/* public: current error number and error text */
var $Errno = 0;
var $Error = "";
/* public: this is an api revision, not a CVS revision. */
var $type = "mysql";
var $revision = "1.2";
/* private: link and query handles */
var $Link_ID = 0;
var $Query_ID = 0;
/* public: constructor */
function db($query = "") {
$this->query($query);
}
/* public: some trivial reporting */
function link_id() {
return $this->Link_ID;
}
function query_id() {
return $this->Query_ID;
}
/* public: connection management */
function connect($Database = "", $Host = "", $User = "", $Password = "") {
/* Handle defaults */
if ("" == $Database)
$Database = $this->Database;
if ("" == $Host)
$Host = $this->Host;
if ("" == $User)
$User = $this->User;
if ("" == $Password)
$Password = $this->Password;
/* establish connection, select database */
if ( 0 == $this->Link_ID )
{
if ($this->use_pconnect)
$this->Link_ID=mysql_pconnect($Host, $User, $Password);
else
$this->Link_ID=mysql_connect($Host, $User, $Password);
if (!$this->Link_ID)
{
$this->halt("connect($Host, $User, \$Password) failed.");
return 0;
}
if (!@mysql_select_db($Database,$this->Link_ID)) {
$this->halt("cannot use database ".$this->Database);
return 0;
}
}
return $this->Link_ID;
}
/* This only affects systems not using persistant connections */
function disconnect()
{
if($this->Link_ID <> 0)
{
@mysql_close($this->Link_ID);
$this->Link_ID = 0;
return 1;
}
else
{
return 0;
}
}
function limit($start)
{
global $phpgw_info;
echo '<b>Warning: limit() is no longer used, use limit_query()</b>';
if ($start == 0) {
$s = "limit " . $phpgw_info["user"]["preferences"]["common"]["maxmatchs"];
} else {
$s = "limit $start," . $phpgw_info["user"]["preferences"]["common"]["maxmatchs"];
}
return $s;
}
/* public: discard the query result */
function free() {
@mysql_free_result($this->Query_ID);
$this->Query_ID = 0;
}
/* public: perform a query */
/* I added the line and file section so we can have better error reporting. (jengo) */
function query($Query_String, $line = "", $file = "") {
/* No empty queries, please, since PHP4 chokes on them. */
if ($Query_String == "")
/* The empty query string is passed on from the constructor,
* when calling the class without a query, e.g. in situations
* like these: '$db = new db_Subclass;'
*/
return 0;
if (!$this->connect()) {
return 0; /* we already complained in connect() about that. */
};
# New query, discard previous result.
if ($this->Query_ID) {
$this->free();
}
if ($this->Debug)
printf("Debug: query = %s<br>\n", $Query_String);
$this->Query_ID = @mysql_query($Query_String,$this->Link_ID);
$this->Row = 0;
$this->Errno = mysql_errno();
$this->Error = mysql_error();
if (! $this->Query_ID) {
$this->halt("Invalid SQL: ".$Query_String, $line, $file);
}
# Will return nada if it fails. That's fine.
return $this->Query_ID;
}
// public: perform a query with limited result set
function limit_query($Query_String, $_offset, $line = '', $file = '')
{
global $phpgw_info;
if (is_array($_offset))
{
list($offset,$num_rows) = $_offset;
}
else
{
$num_rows = $phpgw_info['user']['preferences']['common']['maxmatchs'];
$offset = $_offset;
}
if ($offset == 0)
{
$Query_String .= ' LIMIT ' . $num_rows;
}
else
{
$Query_String .= ' LIMIT ' . $offset . ',' . $num_rows;
}
if ($this->Debug)
{
printf("Debug: limit_query = %s<br>offset=%d, num_rows=%d<br>\n", $Query_String, $offset, $num_rows);
}
return $this->query($Query_String, $line, $file);
}
/* public: walk result set */
function next_record() {
if (!$this->Query_ID) {
$this->halt("next_record called with no query pending.");
return 0;
}
$this->Record = @mysql_fetch_array($this->Query_ID);
$this->Row += 1;
$this->Errno = mysql_errno();
$this->Error = mysql_error();
$stat = is_array($this->Record);
if (!$stat && $this->Auto_Free) {
$this->free();
}
return $stat;
}
/* public: position in result set */
function seek($pos = 0) {
$status = @mysql_data_seek($this->Query_ID, $pos);
if ($status)
$this->Row = $pos;
else {
$this->halt("seek($pos) failed: result has ".$this->num_rows()." rows");
/* half assed attempt to save the day,
* but do not consider this documented or even
* desireable behaviour.
*/
@mysql_data_seek($this->Query_ID, $this->num_rows());
$this->Row = $this->num_rows;
return 0;
}
return 1;
}
function transaction_begin()
{
return True;
}
function transaction_commit()
{
return True;
}
function transaction_abort()
{
return True;
}
/* public: table locking */
function lock($table, $mode="write") {
$this->connect();
$query="lock tables ";
if (is_array($table)) {
while (list($key,$value)=each($table)) {
if ($key=="read" && $key!=0) {
$query.="$value read, ";
} else {
$query.="$value $mode, ";
}
}
$query=substr($query,0,-2);
} else {
$query.="$table $mode";
}
$res = @mysql_query($query, $this->Link_ID);
if (!$res) {
$this->halt("lock($table, $mode) failed.");
return 0;
}
return $res;
}
function unlock() {
$this->connect();
$res = @mysql_query("unlock tables");
if (!$res) {
$this->halt("unlock() failed.");
return 0;
}
return $res;
}
/* public: evaluate the result (size, width) */
function affected_rows() {
return @mysql_affected_rows($this->Link_ID);
}
function num_rows() {
return @mysql_num_rows($this->Query_ID);
}
function num_fields() {
return @mysql_num_fields($this->Query_ID);
}
/* public: shorthand notation */
function nf() {
return $this->num_rows();
}
function np() {
print $this->num_rows();
}
function f($Name, $strip_slashes = "")
{
if ($strip_slashes || ($this->auto_stripslashes && ! $strip_slashes)) {
return stripslashes($this->Record[$Name]);
} else {
return $this->Record[$Name];
}
}
function p($Name) {
print $this->Record[$Name];
}
/* public: sequence numbers */
function nextid($seq_name) {
$this->connect();
if ($this->lock($this->Seq_Table)) {
/* get sequence number (locked) and increment */
$q = sprintf("select nextid from %s where seq_name = '%s'",
$this->Seq_Table,
$seq_name);
$id = @mysql_query($q, $this->Link_ID);
$res = @mysql_fetch_array($id);
/* No current value, make one */
if (!is_array($res)) {
$currentid = 0;
$q = sprintf("insert into %s values('%s', %s)",
$this->Seq_Table,
$seq_name,
$currentid);
$id = @mysql_query($q, $this->Link_ID);
} else {
$currentid = $res["nextid"];
}
$nextid = $currentid + 1;
$q = sprintf("update %s set nextid = '%s' where seq_name = '%s'",
$this->Seq_Table,
$nextid,
$seq_name);
$id = @mysql_query($q, $this->Link_ID);
$this->unlock();
} else {
$this->halt("cannot lock ".$this->Seq_Table." - has it been created?");
return 0;
}
return $nextid;
}
/* public: return table metadata */
function metadata($table='',$full=false) {
$count = 0;
$id = 0;
$res = array();
/*
* Due to compatibility problems with Table we changed the behavior
* of metadata();
* depending on $full, metadata returns the following values:
*
* - full is false (default):
* $result[]:
* [0]["table"] table name
* [0]["name"] field name
* [0]["type"] field type
* [0]["len"] field length
* [0]["flags"] field flags
*
* - full is true
* $result[]:
* ["num_fields"] number of metadata records
* [0]["table"] table name
* [0]["name"] field name
* [0]["type"] field type
* [0]["len"] field length
* [0]["flags"] field flags
* ["meta"][field name] index of field named "field name"
* The last one is used, if you have a field name, but no index.
* Test: if (isset($result['meta']['myfield'])) { ...
*/
/* if no $table specified, assume that we are working with a query */
/* result */
if ($table) {
$this->connect();
$id = @mysql_list_fields($this->Database, $table);
if (!$id)
$this->halt("Metadata query failed.");
} else {
$id = $this->Query_ID;
if (!$id)
$this->halt("No query specified.");
}
$count = @mysql_num_fields($id);
/* made this IF due to performance (one if is faster than $count if's) */
if (!$full) {
for ($i=0; $i<$count; $i++) {
$res[$i]["table"] = @mysql_field_table ($id, $i);
$res[$i]["name"] = @mysql_field_name ($id, $i);
$res[$i]["type"] = @mysql_field_type ($id, $i);
$res[$i]["len"] = @mysql_field_len ($id, $i);
$res[$i]["flags"] = @mysql_field_flags ($id, $i);
}
} else { /* full */
$res["num_fields"]= $count;
for ($i=0; $i<$count; $i++) {
$res[$i]["table"] = @mysql_field_table ($id, $i);
$res[$i]["name"] = @mysql_field_name ($id, $i);
$res[$i]["type"] = @mysql_field_type ($id, $i);
$res[$i]["len"] = @mysql_field_len ($id, $i);
$res[$i]["flags"] = @mysql_field_flags ($id, $i);
$res["meta"][$res[$i]["name"]] = $i;
}
}
/* free the result only if we were called on a table */
if ($table) @mysql_free_result($id);
return $res;
}
/* private: error handling */
function halt($msg, $line = "", $file = "")
{
global $phpgw;
$this->unlock(); /* Just in case there is a table currently locked */
$this->Error = @mysql_error($this->Link_ID);
$this->Errno = @mysql_errno($this->Link_ID);
if ($this->Halt_On_Error == "no")
return;
$this->haltmsg($msg);
if ($file) {
printf("<br><b>File:</b> %s",$file);
}
if ($line) {
printf("<br><b>Line:</b> %s",$line);
}
if ($this->Halt_On_Error != "report") {
echo "<p><b>Session halted.</b>";
$phpgw->common->phpgw_exit(True);
}
}
function haltmsg($msg)
{
printf("<b>Database error:</b> %s<br>\n", $msg);
if ($this->Errno != "0" && $this->Error != "()") {
printf("<b>MySQL Error</b>: %s (%s)<br>\n",$this->Errno,$this->Error);
}
}
function table_names() {
$this->query("SHOW TABLES");
$i=0;
while ($info=mysql_fetch_row($this->Query_ID))
{
$return[$i]["table_name"]= $info[0];
$return[$i]["tablespace_name"]=$this->Database;
$return[$i]["database"]=$this->Database;
$i++;
}
return $return;
}
function create_database($adminname = "", $adminpasswd = "") {
$currentUser = $this->User;
$currentPassword = $this->Password;
$currentDatabase = $this->Database;
if ($adminname != "")
{
$this->User = $adminname;
$this->Password = $adminpasswd;
$this->Database = "mysql";
}
$this->disconnect();
$this->query("CREATE DATABASE $currentDatabase");
$this->query("grant all on $currentDatabase.* to $currentUser@localhost identified by '$currentPassword'");
$this->disconnect();
$this->User = $currentUser;
$this->Password = $currentPassword;
$this->Database = $currentDatabase;
$this->connect();
/*return $return; */
}
}
?>
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