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->dbNewLink = $conf['db_new_link'];
$this->dbClientFlags = $conf['db_client_flags'];
//$this->connect();
}
/** Error handler */
public function updateError($location)
{
$this->errorNumber = mysql_errno();
$this->errorMessage = mysql_error();
$this->errorLocation = $location;
if($this->errorNumber && $this->show_error_messages){
echo('
'.$this->errorLocation.'
'.$this->errorMessage);
flush();
}
}
public function connect()
{
if($this->linkId == 0){
$this->linkId = mysql_connect($this->dbHost, $this->dbUser, $this->dbPass, $this->dbNewLink, $this->dbClientFlags);
if(!$this->linkId){
$this->updateError('DB::connect()
mysql_connect');
return false;
}
$this->queryId = @mysql_query('SET NAMES '.$this->dbCharset, $this->linkId);
$this->queryId = @mysql_query("SET character_set_results = '".$this->dbCharset."', character_set_client = '".$this->dbCharset."', character_set_connection = '".$this->dbCharset."', character_set_database = '".$this->dbCharset."', character_set_server = '".$this->dbCharset."'", $this->linkId);
}
return true;
}
public function query($queryString)
{
if(!$this->connect()){
return false;
}
if(!mysql_select_db($this->dbName, $this->linkId)){
$this->updateError('DB::connect()
mysql_select_db');
return false;
}
$this->queryId = @mysql_query($queryString, $this->linkId);
$this->updateError('DB::query('.$queryString.')
mysql_query');
if(!$this->queryId){
return false;
}
$this->currentRow = 0;
return $this->queryId;
}
/** Returns all records as an array */
public function queryAllRecords($queryString)
{
if(!$this->query($queryString)){
return false;
}
$ret = array();
while($line = $this->nextRecord()){
$ret[] = $line;
}
return $ret;
}
/** Returns one row as an array */
public function queryOneRecord($queryString)
{
if(!$this->query($queryString) || $this->numRows() == 0){
return false;
}
return $this->nextRecord();
}
/** Returns the next record as an array */
public function nextRecord()
{
$this->record = mysql_fetch_assoc($this->queryId);
$this->updateError('DB::nextRecord()
mysql_fetch_array');
if(!$this->record || !is_array($this->record)){
return false;
}
$this->currentRow++;
return $this->record;
}
/** Returns the number of rows returned by the last select query */
public function numRows()
{
return mysql_num_rows($this->queryId);
}
public function affectedRows()
{
return mysql_affected_rows($this->linkId);
}
/** Returns the last mySQL insert_id() */
public function insertID()
{
return mysql_insert_id($this->linkId);
}
/** Checks a variable - Depreciated, use quote() */
public function check($formfield)
{
return $this->quote($formfield);
}
/** Escapes quotes in variable. mysql_real_escape_string() */
public 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, $this->linkId);
}
/** Unquotes a variable, strip_slashes() */
public function unquote($formfield)
{
return stripslashes($formfield);
}
public function toLower($record)
{
if(is_array($record)){
foreach($record as $key => $val) {
$key = strtolower($key);
$out[$key] = $val;
}
}
return $out;
}
// deprecated
/*
public function insert($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.')';
//TODO: where has $debug come from !???
if($debug == 1){ echo "SQL-Statement: $sql
"; }
$this->query($sql);
if($debug == 1){ echo 'mySQL Error Message: '.$this->errorMessage; }
}
}
// Deprecated
public 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
"; }
$this->query($sql);
if($debug == 1){ echo 'mySQL Error Message: '.$this->errorMessage; }
}
}
*/
public function diffrec($record_old, $record_new) {
$diffrec_full = array();
$diff_num = 0;
if(is_array($record_old) && count($record_old) > 0) {
foreach($record_old as $key => $val) {
// if(!isset($record_new[$key]) || $record_new[$key] != $val) {
if($record_new[$key] != $val) {
// Record has changed
$diffrec_full['old'][$key] = $val;
$diffrec_full['new'][$key] = $record_new[$key];
$diff_num++;
} else {
$diffrec_full['old'][$key] = $val;
$diffrec_full['new'][$key] = $val;
}
}
} elseif(is_array($record_new)) {
foreach($record_new as $key => $val) {
if(isset($record_new[$key]) && @$record_old[$key] != $val) {
// Record has changed
$diffrec_full['new'][$key] = $val;
$diffrec_full['old'][$key] = @$record_old[$key];
$diff_num++;
} else {
$diffrec_full['new'][$key] = $val;
$diffrec_full['old'][$key] = $val;
}
}
}
return array('diff_num' => $diff_num, 'diff_rec' => $diffrec_full);
}
//** Function to fill the datalog with a full differential record.
public function datalogSave($db_table, $action, $primary_field, $primary_id, $record_old, $record_new, $force_update = false) {
global $app,$conf;
//* Insert backticks only for incomplete table names.
if(stristr($db_table,'.')) {
$escape = '';
} else {
$escape = '`';
}
if($force_update == true) {
//* We force a update even if no record has changed
$diffrec_full = array('new' => $record_new, 'old' => $record_old);
$diff_num = count($record_new);
} else {
//* get the difference record between old and new record
$tmp = $this->diffrec($record_old, $record_new);
$diffrec_full = $tmp['diff_rec'];
$diff_num = $tmp['diff_num'];
unset($tmp);
}
//* Insert the server_id, if the record has a server_id
$server_id = (isset($record_old['server_id']) && $record_old['server_id'] > 0)?$record_old['server_id']:0;
if(isset($record_new['server_id'])) $server_id = $record_new['server_id'];
if($diff_num > 0) {
$diffstr = $app->db->quote(serialize($diffrec_full));
$username = $app->db->quote($_SESSION['s']['user']['username']);
$dbidx = $primary_field.':'.$primary_id;
if($action == 'INSERT') $action = 'i';
if($action == 'UPDATE') $action = 'u';
if($action == 'DELETE') $action = 'd';
$sql = "INSERT INTO sys_datalog (dbtable,dbidx,server_id,action,tstamp,user,data) VALUES ('".$db_table."','$dbidx','$server_id','$action','".time()."','$username','$diffstr')";
$app->db->query($sql);
}
return true;
}
//** Inserts a record and saves the changes into the datalog
public function datalogInsert($tablename, $insert_data, $index_field) {
global $app;
if(is_array($insert_data)) {
$key_str = '';
$val_str = '';
foreach($insert_data as $key => $val) {
$key_str .= "`".$key ."`,";
$val_str .= "'".$this->quote($val)."',";
}
$insert_data_str = '('.$key_str.') VALUES ('.$val_str.')';
} else {
$insert_data_str = $insert_data;
}
$old_rec = array();
$this->query("INSERT INTO $tablename $insert_data_str");
$index_value = $this->insertID();
$new_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'");
$this->datalogSave($tablename, 'INSERT', $index_field, $index_value, $old_rec, $new_rec);
return $index_value;
}
//** Updates a record and saves the changes into the datalog
public function datalogUpdate($tablename, $update_data, $index_field, $index_value, $force_update = false) {
global $app;
$old_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'");
if(is_array($update_data)) {
$update_data_str = '';
foreach($update_data as $key => $val) {
$update_data_str .= "`".$key ."` = '".$this->quote($val)."',";
}
} else {
$update_data_str = $update_data;
}
$this->query("UPDATE $tablename SET $update_data_str WHERE $index_field = '$index_value'");
$new_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'");
$this->datalogSave($tablename, 'UPDATE', $index_field, $index_value, $old_rec, $new_rec, $force_update);
return true;
}
//** Deletes a record and saves the changes into the datalog
public function datalogDelete($tablename, $index_field, $index_value) {
global $app;
$old_rec = $this->queryOneRecord("SELECT * FROM $tablename WHERE $index_field = '$index_value'");
$this->query("DELETE FROM $tablename WHERE $index_field = '$index_value'");
$new_rec = array();
$this->datalogSave($tablename, 'DELETE', $index_field, $index_value, $old_rec, $new_rec);
return true;
}
public function closeConn()
{
if($this->linkId)
{
mysql_close($this->linkId);
return true;
} else { return false; }
}
public function freeResult($query)
{
if(mysql_free_result($query))
{
return true;
} else {
return false;
}
}
/*
public function delete()
{
}
*/
/*
public function Transaction($action)
{
//action = begin, commit oder rollback
}
*/
/** Creates a database table with the following format for the $columns array
*
* $columns = array(action => add | alter | drop
* name => Spaltenname
* name_new => neuer Spaltenname, nur bei 'alter' belegt
* type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob
* typeValue => Wert z.B. bei Varchar
* defaultValue => Default Wert
* notNull => true | false
* autoInc => true | false
* option => unique | primary | index)
*
*/
public function createTable($table_name, $columns)
{
$index = '';
$sql = "CREATE TABLE $table_name (";
foreach($columns as $col){
$sql .= $col['name'].' '.$this->mapType($col['type'], $col['typeValue']).' ';
//* Set default value
if(isset($col['defaultValue']) && $col['defaultValue'] != '') {
if($col['defaultValue'] == 'NULL' or $col['defaultValue'] == 'NOT NULL') {
$sql .= 'DEFAULT '.$col['defaultValue'].' ';
} else {
$sql .= "DEFAULT '".$col['defaultValue']."' ";
}
} elseif($col['defaultValue'] != false) {
$sql .= "DEFAULT '' ";
}
if(isset($col['defaultValue']) && $col['defaultValue'] != 'NULL' && $col['defaultValue'] != 'NOT NULL') {
if($col['notNull'] == true) {
$sql .= 'NOT NULL ';
} else {
$sql .= 'NULL ';
}
}
if(isset($col['autoInc']) && $col['autoInc'] == true){ $sql .= 'auto_increment '; }
$sql.= ',';
//* Index Definitions
if(isset($col['option']) && $col['option'] == 'primary'){ $index .= 'PRIMARY KEY ('.$col['name'].'),'; }
if(isset($col['option']) && $col['option'] == 'index'){ $index .= 'INDEX ('.$col['name'].'),'; }
if(isset($col['option']) && $col['option'] == 'unique'){ $index .= 'UNIQUE ('.$col['name'].'),'; }
}
$sql .= $index;
$sql = substr($sql,0,-1);
$sql .= ')';
$this->query($sql);
return true;
}
/** Changes a table definition. The format for the $columns array is
*
* $columns = array(action => add | alter | drop
* name => Spaltenname
* name_new => neuer Spaltenname, nur bei 'alter' belegt
* type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob
* typeValue => Wert z.B. bei Varchar
* defaultValue => Default Wert
* notNull => true | false
* autoInc => true | false
* option => unique | primary | index)
*/
public function alterTable($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 ';
$sql.= ',';
//* Index definitions
if($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;
}
public function dropTable($table_name)
{
$this->check($table_name);
$sql = "DROP TABLE '". $table_name."'";
return $this->query($sql);
}
/** Return an array of table names */
public function getTables($database_name = '')
{
if($database_name == ''){
$database_name = $this->dbName;
}
$result = @mysql_list_tables($database_name);
$tb_names = array();
for ($i = 0; $i < @mysql_num_rows($result); $i++) {
$tb_names[$i] = @mysql_tablename($result, $i);
}
return $tb_names;
}
public function tableInfo($table_name) {
//* Tabellenfelder einlesen ?
if($rows = $this->queryAllRecords('SHOW FIELDS FROM '.$table_name)){
foreach($rows as $row) {
$name = $row['Field'];
$default = $row['Default'];
$key = $row['Key'];
$extra = $row['Extra'];
$isnull = $row['Null'];
$type = $row['Type'];
$column = array('name' => $name, 'defaultValue' => $default);
//$column["type"] = $type;
if(stristr($key, 'PRI')){ $column['option'] = 'primary'; }
$column['notNull'] = stristr($isnull,'YES') ? false : true;
if($extra == 'auto_increment'){ $column['autoInc'] = true; }
//* Get the Data and Metatype
if( stristr($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 $columns;
} else {
return false;
}
}
public function mapType($metaType, $typeValue) {
//TODO: ? this is not required ?? global $go_api;
$metaType = strtolower($metaType);
switch ($metaType) {
case 'int16':
return 'smallint';
case 'int32':
return 'int';
case 'int64':
return 'bigint';
case 'double':
return 'double';
case 'char':
return 'char';
case 'varchar':
if($typeValue < 1) die('Datenbank Fehler: F�r diesen Datentyp ist eine L�ngenangabe notwendig.');
return 'varchar('.$typeValue.')';
case 'text':
return 'text';
case 'blob':
return 'blob';
}
}
}
?>