<?php
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/*
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Copyright (c) 2007, Till Brehm, projektfarm Gmbh
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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class db {
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var $dbHost = ""; // hostname of the MySQL server
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var $dbName = ""; // logical database name on that server
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var $dbUser = ""; // database authorized user
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var $dbPass = ""; // user's password
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var $linkId = 0; // last result of mysql_connect()
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var $queryId = 0; // last result of mysql_query()
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var $record = array(); // last record fetched
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var $autoCommit = 1; // Autocommit Transactions
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var $currentRow; // current row number
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var $errorNumber = 0; // last error number
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var $errorMessage = ""; // last error message
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var $errorLocation = "";// last error location
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var $show_error_messages = false;
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var $transID;
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// constructor
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function __construct()
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{
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global $conf;
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$this->dbHost = $conf["db_host"];
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$this->dbName = $conf["db_database"];
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$this->dbUser = $conf["db_user"];
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$this->dbPass = $conf["db_password"];
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$this->connect();
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}
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function __destruct() {
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$this->closeConn();
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}
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// error handler
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function updateError($location)
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{
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//$this->errorNumber = mysql_errno();
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$this->errorMessage = ibase_errmsg();
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$this->errorLocation = $location;
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if($this->errorNumber && $this->show_error_messages)
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{
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echo('<br /><b>'.$this->errorLocation.'</b><br />'.$this->errorMessage);
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flush();
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}
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}
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function connect()
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{
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if($this->linkId == 0)
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{
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$this->linkId = ibase_connect( $this->dbHost.":".$this->dbName , $this->dbUser, $this->dbPass,'ISO8859_1',0,3 );
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if(!$this->linkId)
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{
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$this->updateError('DB::connect()<br />ibase_pconnect');
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return false;
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}
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}
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return true;
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}
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function query($queryString)
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{
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if(!$this->connect()) {
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return false;
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}
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if($this->autoCommit == 1) {
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//$transID = ibase_trans();
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$this->queryId = @ibase_query($this->linkId,$queryString);
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//ibase_commit();
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} else {
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$this->queryId = @ibase_query($this->linkId,$queryString);
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}
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$this->updateError('DB::query('.$queryString.')<br />ibase_query');
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if(!$this->queryId) {
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return false;
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}
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$this->currentRow = 0;
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return $this->queryId;
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}
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// returns all records in an array
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function queryAllRecords($queryString)
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{
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if(!$this->query($queryString))
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{
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return false;
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}
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$ret = array();
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while($line = $this->nextRecord())
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{
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$ret[] = $line;
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}
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//$this->freeResult();
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ibase_free_result($this->queryId);
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return $ret;
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}
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// returns one record in an array
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function queryOneRecord($queryString)
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{
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if(!$this->query($queryString))
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{
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return false;
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}
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$result = $this->nextRecord();
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ibase_free_result($this->queryId);
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return $result;
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}
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// returns the next record in an array
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function nextRecord()
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{
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$this->record = ibase_fetch_assoc($this->queryId);
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$this->updateError('DB::nextRecord()<br />ibase_fetch_assoc');
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if(!$this->record || !is_array($this->record))
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{
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return false;
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}
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$this->currentRow++;
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return $this->record;
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}
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// returns number of rows returned by the last select query
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function numRows()
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{
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return false;
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}
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// returns mySQL insert id
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function insertID()
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{
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return false;
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}
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// Check der variablen
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// deprecated, now use quote
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function check($formfield)
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{
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return $this->quote($formfield);
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}
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// Check der variablen
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function quote($formfield)
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{
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return str_replace("'","''",$formfield);
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}
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// Check der variablen
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function unquote($formfield)
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{
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return str_replace("''","'",$formfield);
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}
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function toLower($record) {
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if(is_array($record)) {
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foreach($record as $key => $val) {
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$key = strtolower($key);
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$out[$key] = $val;
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}
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}
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return $out;
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}
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function insert($tablename,$form,$debug = 0)
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{
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if(is_array($form)){
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foreach($form as $key => $value)
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{
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$sql_key .= "$key, ";
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$sql_value .= "'".$this->quote($value)."', ";
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}
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$sql_key = substr($sql_key,0,strlen($sql_key) - 2);
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$sql_value = substr($sql_value,0,strlen($sql_value) - 2);
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$sql = "INSERT INTO $tablename (" . $sql_key . ") VALUES (" . $sql_value .")";
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if($debug == 1) echo "SQL-Statement: ".$sql."<br><br>";
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$this->query($sql);
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if($debug == 1) echo "mySQL Error Message: ".$this->errorMessage;
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}
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}
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function update($tablename,$form,$bedingung,$debug = 0)
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{
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if(is_array($form)){
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foreach($form as $key => $value)
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{
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$insql .= "$key = '".$this->quote($value)."', ";
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}
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$insql = substr($insql,0,strlen($insql) - 2);
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$sql = "UPDATE $tablename SET " . $insql . " WHERE $bedingung";
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if($debug == 1) echo "SQL-Statement: ".$sql."<br><br>";
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$this->query($sql);
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if($debug == 1) echo "mySQL Error Message: ".$this->errorMessage;
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}
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}
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function closeConn() {
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ibase_close($this->linkId);
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}
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function freeResult() {
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//ibase_free_result();
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}
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function delete() {
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}
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function trans($action,$transID = null) {
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//action = begin, commit oder rollback
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if($action == 'begin') {
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$this->transID = ibase_trans($this->linkId);
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return $this->transID;
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}
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if($action == 'commit' and !empty($this->transID)) {
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ibase_commit($this->linkId,$this->transID);
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}
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if($action == 'rollback') {
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ibase_rollback($this->linkId,$this->transID);
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}
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}
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/*
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$columns = array(action => add | alter | drop
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name => Spaltenname
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name_new => neuer Spaltenname, nur bei 'alter' belegt
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type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob
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typeValue => Wert z.B. bei Varchar
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defaultValue => Default Wert
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notNull => true | false
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autoInc => true | false
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option => unique | primary | index)
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*/
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function createTable($table_name,$columns) {
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$index = "";
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$sql = "CREATE TABLE $table_name (";
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foreach($columns as $col){
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$sql .= $col["name"]." ".$this->mapType($col["type"],$col["typeValue"])." ";
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if($col["defaultValue"] != "") $sql .= "DEFAULT '".$col["defaultValue"]."' ";
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if($col["notNull"] == true) {
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$sql .= "NOT NULL ";
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} else {
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$sql .= "NULL ";
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}
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if($col["autoInc"] == true) $sql .= "auto_increment ";
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$sql.= ",";
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// key Definitionen
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if($col["option"] == "primary") $index .= "PRIMARY KEY (".$col["name"]."),";
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if($col["option"] == "index") $index .= "INDEX (".$col["name"]."),";
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if($col["option"] == "unique") $index .= "UNIQUE (".$col["name"]."),";
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}
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$sql .= $index;
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$sql = substr($sql,0,-1);
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$sql .= ")";
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$this->query($sql);
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return true;
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}
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/*
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$columns = array(action => add | alter | drop
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name => Spaltenname
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name_new => neuer Spaltenname, nur bei 'alter' belegt
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type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob
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typeValue => Wert z.B. bei Varchar
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defaultValue => Default Wert
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notNull => true | false
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autoInc => true | false
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option => unique | primary | index)
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*/
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function alterTable($table_name,$columns) {
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return false;
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}
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function dropTable($table_name) {
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$this->check($table_name);
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$sql = "DROP TABLE '". $table_name."'";
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return $this->query($sql);
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}
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// gibt Array mit Tabellennamen zurück
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function getTables($database_name) {
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return false;
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}
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// gibt Feldinformationen zur Tabelle zurück
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/*
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$columns = array(action => add | alter | drop
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name => Spaltenname
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name_new => neuer Spaltenname, nur bei 'alter' belegt
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type => 42go-Meta-Type: int16, int32, int64, double, char, varchar, text, blob
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typeValue => Wert z.B. bei Varchar
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defaultValue => Default Wert
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notNull => true | false
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autoInc => true | false
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option => unique | primary | index)
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*/
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function tableInfo($table_name) {
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return false;
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}
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function mapType($metaType,$typeValue) {
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global $go_api;
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$metaType = strtolower($metaType);
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switch ($metaType) {
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case 'int16':
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return 'smallint';
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break;
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case 'int32':
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return 'int';
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break;
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case 'int64':
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return 'bigint';
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break;
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case 'double':
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return 'double';
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break;
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case 'char':
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return 'char';
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break;
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case 'varchar':
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if($typeValue < 1) $go_api->errorMessage("Datenbank Fehler: Für diesen Datentyp ist eine Längenangabe notwendig.");
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return 'varchar('.$typeValue.')';
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break;
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case 'text':
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return 'text';
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break;
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case 'blob':
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return 'blob';
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break;
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}
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}
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}
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?>
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