dbHost = $conf['db_host'];
$this->dbName = $conf['db_database'];
$this->dbUser = $conf['db_user'];
$this->dbPass = $conf['db_password'];
//$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, $this->dbPass);
if(!$this->linkId){
$this->updateError('DB::connect()
mysql_connect');
return false;
}
}
return true;
}
public function query($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. addslashes() */
public function quote($formfield)
{
return addslashes($formfield);
}
/** 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 $out;
}
public function insert($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; }
}
}
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 closeConn()
{
}
public function freeResult()
{
}
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) {
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('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';
}
}
}
?>