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✏️ Editing: adodb-csv.inc.php

<?php
/**
 * FileDescription
 *
 * Currently unsupported: MetaDatabases, MetaTables and MetaColumns,
 * and also inputarr in Execute.
 * Native types have been converted to MetaTypes.
 * Transactions not supported yet.
 *
 * Limitation of url length. For IIS, see MaxClientRequestBuffer registry value.
 *
 * This file is part of ADOdb, a Database Abstraction Layer library for PHP.
 *
 * @package ADOdb
 * @link https://adodb.org Project's web site and documentation
 * @link https://github.com/ADOdb/ADOdb Source code and issue tracker
 *
 * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
 * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
 * any later version. This means you can use it in proprietary products.
 * See the LICENSE.md file distributed with this source code for details.
 * @license BSD-3-Clause
 * @license LGPL-2.1-or-later
 *
 * @copyright 2000-2013 John Lim
 * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
 */

// security - hide paths
if (!defined('ADODB_DIR')) die();

if (! defined("_ADODB_CSV_LAYER")) {
 define("_ADODB_CSV_LAYER", 1 );

include_once(ADODB_DIR.'/adodb-csvlib.inc.php');

class ADODB_csv extends ADOConnection {
	var $databaseType = 'csv';
	var $databaseProvider = 'csv';
	var $hasInsertID = true;
	var $hasAffectedRows = true;
	var $fmtTimeStamp = "'Y-m-d H:i:s'";
	var $_affectedrows=0;
	var $_insertid=0;
	var $_url;
	var $replaceQuote = "''"; // string to use to replace quotes
	var $hasTransactions = false;
	var $_errorNo = false;

protected function _insertID($table = '', $column = '')
	{
		return $this->_insertid;
	}

function _affectedrows()
	{
		return $this->_affectedrows;
	}

function MetaDatabases()
	{
		return false;
	}

// returns true or false
	function _connect($argHostname, $argUsername, $argPassword, $argDatabasename)
	{
		if (strtolower(substr($argHostname,0,7)) !== 'http://') return false;
		$this->_url = $argHostname;
		return true;
	}

// returns true or false
	function _pconnect($argHostname, $argUsername, $argPassword, $argDatabasename)
	{
		if (strtolower(substr($argHostname,0,7)) !== 'http://') return false;
		$this->_url = $argHostname;
		return true;
	}

function MetaColumns($table, $normalize=true)
	{
		return false;
	}

// parameters use PostgreSQL convention, not MySQL
	function SelectLimit($sql, $nrows = -1, $offset = -1, $inputarr = false, $secs2cache = 0)
	{
		global $ADODB_FETCH_MODE;

$nrows = (int) $nrows;
		$offset = (int) $offset;
		$url = $this->_url.'?sql='.urlencode($sql)."&nrows=$nrows&fetch=".
			(($this->fetchMode !== false)?$this->fetchMode : $ADODB_FETCH_MODE).
			"&offset=$offset";
		$err = false;
		$rs = csv2rs($url,$err,false);

if ($this->debug) print "$url $err ";

$at = strpos($err,'::::');
		if ($at === false) {
			$this->_errorMsg = $err;
			$this->_errorNo = (integer)$err;
		} else {
			$this->_errorMsg = substr($err,$at+4,1024);
			$this->_errorNo = -9999;
		}
		if ($this->_errorNo)
			if ($fn = $this->raiseErrorFn) {
				$fn($this->databaseType,'EXECUTE',$this->ErrorNo(),$this->ErrorMsg(),$sql,'');
			}

if (is_object($rs)) {

$rs->databaseType='csv';
			$rs->fetchMode = ($this->fetchMode !== false) ?  $this->fetchMode : $ADODB_FETCH_MODE;
			$rs->connection = $this;
		}
		return $rs;
	}

// returns queryID or false
	function _Execute($sql,$inputarr=false)
	{
	global $ADODB_FETCH_MODE;

if (!$this->_bindInputArray && $inputarr) {
			$sqlarr = explode('?',$sql);
			$sql = '';
			$i = 0;
			foreach($inputarr as $v) {

$sql .= $sqlarr[$i];
				if (gettype($v) == 'string')
					$sql .= $this->qstr($v);
				else if ($v === null)
					$sql .= 'NULL';
				else
					$sql .= $v;
				$i += 1;

}
			$sql .= $sqlarr[$i];
			if ($i+1 != sizeof($sqlarr))
				print "Input Array does not match ?: ".htmlspecialchars($sql);
			$inputarr = false;
		}

$url =  $this->_url.'?sql='.urlencode($sql)."&fetch=".
			(($this->fetchMode !== false)?$this->fetchMode : $ADODB_FETCH_MODE);
		$err = false;

$rs = csv2rs($url,$err,false);
		if ($this->debug) print urldecode($url)." $err ";
		$at = strpos($err,'::::');
		if ($at === false) {
			$this->_errorMsg = $err;
			$this->_errorNo = (integer)$err;
		} else {
			$this->_errorMsg = substr($err,$at+4,1024);
			$this->_errorNo = -9999;
		}

if ($this->_errorNo)
			if ($fn = $this->raiseErrorFn) {
				$fn($this->databaseType,'EXECUTE',$this->ErrorNo(),$this->ErrorMsg(),$sql,$inputarr);
			}
		if (is_object($rs)) {
			$rs->fetchMode = ($this->fetchMode !== false) ?  $this->fetchMode : $ADODB_FETCH_MODE;

$this->_affectedrows = $rs->affectedrows;
			$this->_insertid = $rs->insertid;
			$rs->databaseType='csv';
			$rs->connection = $this;
		}
		return $rs;
	}

/*	Returns: the last error message from previous database operation	*/
	function ErrorMsg()
	{
		return $this->_errorMsg;
	}

/*	Returns: the last error number from previous database operation	*/
	function ErrorNo()
	{
		return $this->_errorNo;
	}

// returns true or false
	function _close()
	{
		return true;
	}
} // class

class ADORecordset_csv extends ADORecordSet {

function _close()
	{
		return true;
	}
}

} // define

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