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db_mysql.inc.php 13.92 KiB
<?php
/*
Copyright (c) 2007, Till Brehm, projektfarm Gmbh
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of ISPConfig nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
class db
{
var $dbHost = ""; // hostname of the MySQL server
var $dbName = ""; // logical database name on that server
var $dbUser = ""; // database authorized user
var $dbPass = ""; // user's password
var $dbCharset = ""; // what charset comes and goes to mysql: utf8 / latin1
var $linkId = 0; // last result of mysql_connect()
var $queryId = 0; // last result of mysql_query()
var $record = array(); // last record fetched
var $autoCommit = 1; // Autocommit Transactions
var $currentRow; // current row number
var $errorNumber = 0; // last error number
var $errorMessage = ""; // last error message
var $errorLocation = ""; // last error location
var $show_error_messages = false;
// constructor
function db()
{
global $conf;
$this->dbHost = $conf["db_host"];
$this->dbName = $conf["db_database"];
$this->dbUser = $conf["db_user"];
$this->dbPass = $conf["db_password"];
$this->dbCharset = $conf["db_charset"];
//$this->connect();
}
// error handler
function updateError($location)
{
$this->errorNumber = mysql_errno();
$this->errorMessage = mysql_error();
$this->errorLocation = $location;
if($this->errorNumber && $this->show_error_messages)
{
echo('<br /><b>'.$this->errorLocation.'</b><br />'.$this->errorMessage);
flush(); }
}
function connect()
{
if($this->linkId == 0)
{
$this->linkId = mysql_connect($this->dbHost, $this->dbUser, $this->dbPass);
if(!$this->linkId)
{
$this->updateError('DB::connect()<br />mysql_connect');
return false;
}
$this->queryId = @mysql_query('SET NAMES '.$this->dbCharset, $this->linkId);
}
return true;
}
function query($queryString)
{
if(!$this->connect())
{
return false;
}
if(!mysql_select_db($this->dbName, $this->linkId))
{
$this->updateError('DB::connect()<br />mysql_select_db');
return false;
}
$this->queryId = @mysql_query($queryString, $this->linkId);
$this->updateError('DB::query('.$queryString.')<br />mysql_query');
if(!$this->queryId)
{
return false;
}
$this->currentRow = 0;
return $this->queryId;
}
// returns all records in an array
function queryAllRecords($queryString)
{
if(!$this->query($queryString))
{
return false;
}
$ret = array();
while($line = $this->nextRecord())
{
$ret[] = $line;
}
return $ret;
}
// returns one record in an array
function queryOneRecord($queryString)
{
if(!$this->query($queryString) || $this->numRows() == 0)
{
return false;
}
return $this->nextRecord();
}
// returns the next record in an array
function nextRecord()
{
$this->record = mysql_fetch_assoc($this->queryId);
$this->updateError('DB::nextRecord()<br />mysql_fetch_array');
if(!$this->record || !is_array($this->record)) {
return false;
}
$this->currentRow++;
return $this->record;
}
// returns number of rows returned by the last select query
function numRows()
{
return mysql_num_rows($this->queryId);
}
// returns mySQL insert id
function insertID()
{
return mysql_insert_id($this->linkId);
}
// Check der variablen
// deprecated, now use quote
function check($formfield)
{
return $this->quote($formfield);
}
// Check der variablen
function quote($formfield)
{
if(!$this->connect()){
$this->updateError('WARNING: mysql_connect: Used addslashes instead of mysql_real_escape_string');
return addslashes($formfield);
}
return mysql_real_escape_string($formfield);
}
// Check der variablen
function unquote($formfield)
{
return stripslashes($formfield);
}
function toLower($record) {
if(is_array($record)) {
foreach($record as $key => $val) {
$key = strtolower($key);
$out[$key] = $val;
}
}
return $out;
}
function insert($tablename,$form,$debug = 0)
{
if(is_array($form)){
foreach($form as $key => $value)
{
$sql_key .= "$key, ";
$sql_value .= "'".$this->check($value)."', ";
}
$sql_key = substr($sql_key,0,strlen($sql_key) - 2);
$sql_value = substr($sql_value,0,strlen($sql_value) - 2);
$sql = "INSERT INTO $tablename (" . $sql_key . ") VALUES (" . $sql_value .")";
if($debug == 1) echo "SQL-Statement: ".$sql."<br><br>";
$this->query($sql);
if($debug == 1) echo "mySQL Error Message: ".$this->errorMessage; }
}
function update($tablename,$form,$bedingung,$debug = 0)
{
if(is_array($form)){
foreach($form as $key => $value)
{
$insql .= "$key = '".$this->check($value)."', ";
}
$insql = substr($insql,0,strlen($insql) - 2);
$sql = "UPDATE $tablename SET " . $insql . " WHERE $bedingung";
if($debug == 1) echo "SQL-Statement: ".$sql."<br><br>";
$this->query($sql);
if($debug == 1) echo "mySQL Error Message: ".$this->errorMessage;
}
}
function closeConn() {
}
function freeResult() {
}
function delete() {
}
function Transaction($action) {
//action = begin, commit oder rollback
}
/*
$columns = array(action => add | alter | drop
name => Spaltenname
name_new => neuer Spaltenname, nur bei 'alter' belegt
type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob
typeValue => Wert z.B. bei Varchar
defaultValue => Default Wert
notNull => true | false
autoInc => true | false
option => unique | primary | index)
*/
function createTable($table_name,$columns) {
$index = "";
$sql = "CREATE TABLE $table_name (";
foreach($columns as $col){
$sql .= $col["name"]." ".$this->mapType($col["type"],$col["typeValue"])." ";
if($col["defaultValue"] != "") $sql .= "DEFAULT '".$col["defaultValue"]."' ";
if($col["notNull"] == true) {
$sql .= "NOT NULL ";
} else {
$sql .= "NULL ";
}
if($col["autoInc"] == true) $sql .= "auto_increment ";
$sql.= ",";
// key Definitionen
if($col["option"] == "primary") $index .= "PRIMARY KEY (".$col["name"]."),";
if($col["option"] == "index") $index .= "INDEX (".$col["name"]."),";
if($col["option"] == "unique") $index .= "UNIQUE (".$col["name"]."),";
} $sql .= $index;
$sql = substr($sql,0,-1);
$sql .= ")";
$this->query($sql);
return true;
}
/*
$columns = array(action => add | alter | drop
name => Spaltenname
name_new => neuer Spaltenname, nur bei 'alter' belegt
type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob
typeValue => Wert z.B. bei Varchar
defaultValue => Default Wert
notNull => true | false
autoInc => true | false
option => unique | primary | index)
*/
function alterTable($table_name,$columns) {
$index = "";
$sql = "ALTER TABLE $table_name ";
foreach($columns as $col){
if($col["action"] == 'add') {
$sql .= "ADD ".$col["name"]." ".$this->mapType($col["type"],$col["typeValue"])." ";
} elseif ($col["action"] == 'alter') {
$sql .= "CHANGE ".$col["name"]." ".$col["name_new"]." ".$this->mapType($col["type"],$col["typeValue"])." ";
} elseif ($col["action"] == 'drop') {
$sql .= "DROP ".$col["name"]." ";
}
if($col["action"] != 'drop') {
if($col["defaultValue"] != "") $sql .= "DEFAULT '".$col["defaultValue"]."' ";
if($col["notNull"] == true) {
$sql .= "NOT NULL ";
} else {
$sql .= "NULL ";
}
if($col["autoInc"] == true) $sql .= "auto_increment ";
$sql.= ",";
// key Definitionen
if($col["option"] == "primary") $index .= "PRIMARY KEY (".$col["name"]."),";
if($col["option"] == "index") $index .= "INDEX (".$col["name"]."),";
if($col["option"] == "unique") $index .= "UNIQUE (".$col["name"]."),";
}
}
$sql .= $index;
$sql = substr($sql,0,-1);
//die($sql);
$this->query($sql);
return true;
}
function dropTable($table_name) {
$this->check($table_name);
$sql = "DROP TABLE '". $table_name."'";
return $this->query($sql);
}
// gibt Array mit Tabellennamen zurück
function getTables($database_name = '') {
if($database_name == '') $database_name = $this->dbName;
$result = mysql_list_tables($database_name);
for ($i = 0; $i < mysql_num_rows($result); $i++) {
$tb_names[$i] = mysql_tablename($result, $i);
}
return $tb_names; }
// gibt Feldinformationen zur Tabelle zurück
/*
$columns = array(action => add | alter | drop
name => Spaltenname
name_new => neuer Spaltenname, nur bei 'alter' belegt
type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob
typeValue => Wert z.B. bei Varchar
defaultValue => Default Wert
notNull => true | false
autoInc => true | false
option => unique | primary | index)
*/
function tableInfo($table_name) {
global $go_api,$go_info;
// Tabellenfelder einlesen
if($rows = $go_api->db->queryAllRecords("SHOW FIELDS FROM ".$table_name)){
foreach($rows as $row) {
$name = $row[0];
$default = $row[4];
$key = $row[3];
$extra = $row[5];
$isnull = $row[2];
$type = $row[1];
$column = array();
$column["name"] = $name;
//$column["type"] = $type;
$column["defaultValue"] = $default;
if(stristr($key,"PRI")) $column["option"] = "primary";
if(stristr($isnull,"YES")) {
$column["notNull"] = false;
} else {
$column["notNull"] = true;
}
if($extra == 'auto_increment') $column["autoInc"] = true;
// Type in Metatype umsetzen
if(stristr($type,"int(")) $metaType = 'int32';
if(stristr($type,"bigint")) $metaType = 'int64';
if(stristr($type,"char")) {
$metaType = 'char';
$tmp_typeValue = explode('(',$type);
$column["typeValue"] = substr($tmp_typeValue[1],0,-1);
}
if(stristr($type,"varchar")) {
$metaType = 'varchar';
$tmp_typeValue = explode('(',$type);
$column["typeValue"] = substr($tmp_typeValue[1],0,-1);
}
if(stristr($type,"text")) $metaType = 'text';
if(stristr($type,"double")) $metaType = 'double';
if(stristr($type,"blob")) $metaType = 'blob';
$column["type"] = $metaType;
$columns[] = $column;
}
return $columns; } else {
return false;
}
//$this->createTable('tester',$columns);
/*
$result = mysql_list_fields($go_info["server"]["db_name"],$table_name);
$fields = mysql_num_fields ($result);
$i = 0;
$table = mysql_field_table ($result, $i);
while ($i < $fields) {
$name = mysql_field_name ($result, $i);
$type = mysql_field_type ($result, $i);
$len = mysql_field_len ($result, $i);
$flags = mysql_field_flags ($result, $i);
print_r($flags);
$columns = array(name => $name,
type => "",
defaultValue => "",
isnull => 1,
option => "");
$returnvar[] = $columns;
$i++;
}
*/
}
function mapType($metaType,$typeValue) {
global $go_api;
$metaType = strtolower($metaType);
switch ($metaType) {
case 'int16':
return 'smallint';
break;
case 'int32':
return 'int';
break;
case 'int64':
return 'bigint';
break;
case 'double':
return 'double';
break;
case 'char':
return 'char';
break;
case 'varchar':
if($typeValue < 1) die("Datenbank Fehler: Für diesen Datentyp ist eine Längenangabe notwendig.");
return 'varchar('.$typeValue.')';
break;
case 'text':
return 'text';
break;
case 'blob':
return 'blob';
break;
}
}
}
?>