<?php

> /**
// security - hide paths
>  * Helper functions.
if (!defined('ADODB_DIR')) die();
>  *

>  * Less commonly used functions are placed here to reduce size of adodb.inc.php.
global $ADODB_INCLUDED_LIB;
>  *
$ADODB_INCLUDED_LIB = 1;
>  * This file is part of ADOdb, a Database Abstraction Layer library for PHP.

>  *
/*
>  * @package ADOdb
  @version   v5.20.16  12-Jan-2020
>  * @link https://adodb.org Project's web site and documentation
  @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
>  * @link https://github.com/ADOdb/ADOdb Source code and issue tracker
  @copyright (c) 2014      Damien Regad, Mark Newnham and the ADOdb community
>  *
  Released under both BSD license and Lesser GPL library license.
>  * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
  Whenever there is any discrepancy between the two licenses,
>  * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
  the BSD license will take precedence. See License.txt.
>  * any later version. This means you can use it in proprietary products.
  Set tabs to 4 for best viewing.
>  * See the LICENSE.md file distributed with this source code for details.

>  * @license BSD-3-Clause
  Less commonly used functions are placed here to reduce size of adodb.inc.php.
>  * @license LGPL-2.1-or-later
*/
>  *

>  * @copyright 2000-2013 John Lim
function adodb_strip_order_by($sql)
>  * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
{
>  */
	$rez = preg_match('/(\sORDER\s+BY\s(?:[^)](?!LIMIT))*)/is', $sql, $arr);
> 



< /*
<   @version   v5.20.16  12-Jan-2020
<   @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
<   @copyright (c) 2014      Damien Regad, Mark Newnham and the ADOdb community
<   Released under both BSD license and Lesser GPL library license.
<   Whenever there is any discrepancy between the two licenses,
<   the BSD license will take precedence. See License.txt.
<   Set tabs to 4 for best viewing.
< 
<   Less commonly used functions are placed here to reduce size of adodb.inc.php.
< */
< 



< 	$rez = preg_match('/(\sORDER\s+BY\s(?:[^)](?!LIMIT))*)/is', $sql, $arr);



> 	$rez = preg_match_all('/(\sORDER\s+BY\s(?:[^)](?!LIMIT))*)/is', $sql, $arr);
> 	if ($arr) 
> 	{
> 		$tmp = array_pop($arr);
> 		$arr = [1=>array_pop($tmp)];
> 	}


				}
			}
			$sql = substr($sql,0,$at).substr($sql,$i);
		} else {
			$sql = str_replace($arr[1], '', $sql);
		}

> 


	return $sql;
}

if (false) {
	$sql = 'select * from (select a from b order by a(b),b(c) desc)';
	$sql = '(select * from abc order by 1)';
	die(adodb_strip_order_by($sql));
}

function adodb_probetypes(&$array,&$types,$probe=8)
{
// probe and guess the type
	$types = array();
	if ($probe > sizeof($array)) $max = sizeof($array);
	else $max = $probe;


	for ($j=0;$j < $max; $j++) {
		$row = $array[$j];
		if (!$row) break;
		$i = -1;
		foreach($row as $v) {
			$i += 1;

			if (isset($types[$i]) && $types[$i]=='C') continue;

			//print " ($i ".$types[$i]. "$v) ";
			$v = trim($v);

			if (!preg_match('/^[+-]{0,1}[0-9\.]+$/',$v)) {
				$types[$i] = 'C'; // once C, always C

				continue;
			}
			if ($j == 0) {
			// If empty string, we presume is character
			// test for integer for 1st row only
			// after that it is up to testing other rows to prove
			// that it is not an integer
				if (strlen($v) == 0) $types[$i] = 'C';
				if (strpos($v,'.') !== false) $types[$i] = 'N';
				else  $types[$i] = 'I';
				continue;
			}

			if (strpos($v,'.') !== false) $types[$i] = 'N';

		}
	}

}

function  adodb_transpose(&$arr, &$newarr, &$hdr, &$fobjs)
{
	$oldX = sizeof(reset($arr));
	$oldY = sizeof($arr);

	if ($hdr) {
		$startx = 1;
		$hdr = array('Fields');
		for ($y = 0; $y < $oldY; $y++) {
			$hdr[] = $arr[$y][0];
		}
	} else
		$startx = 0;

	for ($x = $startx; $x < $oldX; $x++) {
		if ($fobjs) {
			$o = $fobjs[$x];
			$newarr[] = array($o->name);
		} else
			$newarr[] = array();

		for ($y = 0; $y < $oldY; $y++) {
			$newarr[$x-$startx][] = $arr[$y][$x];
		}
	}
}


< // Force key to upper.
< // See also http://www.php.net/manual/en/function.array-change-key-case.php
< function _array_change_key_case($an_array)
< {
< 	if (is_array($an_array)) {
< 		$new_array = array();
< 		foreach($an_array as $key=>$value)
< 			$new_array[strtoupper($key)] = $value;
< 
< 	   	return $new_array;
<    }
< 
< 	return $an_array;
< }



function _adodb_replace(&$zthis, $table, $fieldArray, $keyCol, $autoQuote, $has_autoinc)
{

> 	// Add Quote around table name to support use of spaces / reserved keywords
		if (count($fieldArray) == 0) return 0;
> 	$table=sprintf('%s%s%s', $zthis->nameQuote,$table,$zthis->nameQuote);
		$first = true;
> 



< 		$first = true;
< 		$uSet = '';


		if (!is_array($keyCol)) {
			$keyCol = array($keyCol);
		}

> 	$uSet = '';


		foreach($fieldArray as $k => $v) {
			if ($v === null) {
				$v = 'NULL';
				$fieldArray[$k] = $v;
			} else if ($autoQuote && /*!is_numeric($v) /*and strncmp($v,"'",1) !== 0 -- sql injection risk*/ strcasecmp($v,$zthis->null2null)!=0) {
				$v = $zthis->qstr($v);
				$fieldArray[$k] = $v;
			}
			if (in_array($k,$keyCol)) continue; // skip UPDATE if is key


< 			if ($first) {
< 				$first = false;
< 				$uSet = "$k=$v";
< 			} else
< 				$uSet .= ",$k=$v";



> 		// Add Quote around column name to support use of spaces / reserved keywords
> 		$uSet .= sprintf(',%s%s%s=%s',$zthis->nameQuote,$k,$zthis->nameQuote,$v);


		}

> 	$uSet = ltrim($uSet, ',');




< 		$where = false;



> 	// Add Quote around column name in where clause
> 	$where = '';


		foreach ($keyCol as $v) {
			if (isset($fieldArray[$v])) {

< 				if ($where) $where .= ' and '.$v.'='.$fieldArray[$v];
< 				else $where = $v.'='.$fieldArray[$v];



> 			$where .= sprintf(' and %s%s%s=%s ', $zthis->nameQuote,$v,$zthis->nameQuote,$fieldArray[$v]);
> 		}


			}

> 	if ($where) {
		}
> 		$where = substr($where, 5);



		if ($uSet && $where) {
			$update = "UPDATE $table SET $uSet WHERE $where";

< 


			$rs = $zthis->Execute($update);


< 


			if ($rs) {
				if ($zthis->poorAffectedRows) {

< 				/*
< 				 The Select count(*) wipes out any errors that the update would have returned.
< 				http://phplens.com/lens/lensforum/msgs.php?id=5696
< 				*/



> 				// The Select count(*) wipes out any errors that the update would have returned.
> 				// PHPLens Issue No: 5696


					if ($zthis->ErrorNo()<>0) return 0;


< 				# affected_rows == 0 if update field values identical to old values
< 				# for mysql - which is silly.
< 



> 				// affected_rows == 0 if update field values identical to old values
> 				// for mysql - which is silly.


					$cnt = $zthis->GetOne("select count(*) from $table where $where");
					if ($cnt > 0) return 1; // record already exists
				} else {
					if (($zthis->Affected_Rows()>0)) return 1;
				}
			} else
				return 0;
		}


< 	//	print "<p>Error=".$this->ErrorNo().'<p>';
< 		$first = true;



> 	$iCols = $iVals = '';


		foreach($fieldArray as $k => $v) {
			if ($has_autoinc && in_array($k,$keyCol)) continue; // skip autoinc col


< 			if ($first) {
< 				$first = false;
< 				$iCols = "$k";
< 				$iVals = "$v";
< 			} else {
< 				$iCols .= ",$k";



> 		// Add Quote around Column Name
> 		$iCols .= sprintf(',%s%s%s',$zthis->nameQuote,$k,$zthis->nameQuote);


				$iVals .= ",$v";
			}

< 		}



> 	$iCols = ltrim($iCols, ',');
> 	$iVals = ltrim($iVals, ',');
> 


		$insert = "INSERT INTO $table ($iCols) VALUES ($iVals)";
		$rs = $zthis->Execute($insert);
		return ($rs) ? 2 : 0;
}

function _adodb_getmenu(&$zthis, $name,$defstr='',$blank1stItem=true,$multiple=false,
			$size=0, $selectAttr='',$compareFields0=true)
{
	global $ADODB_FETCH_MODE;

	$s = _adodb_getmenu_select($name, $defstr, $blank1stItem, $multiple, $size, $selectAttr);

	$hasvalue = $zthis->FieldCount() > 1;
	if (!$hasvalue) {
		$compareFields0 = true;
	}

	$value = '';
	while(!$zthis->EOF) {
		$zval = rtrim(reset($zthis->fields));

		if ($blank1stItem && $zval == "") {
			$zthis->MoveNext();
			continue;
		}

		if ($hasvalue) {
			if ($ADODB_FETCH_MODE == ADODB_FETCH_ASSOC) {
				// Get 2nd field's value regardless of its name
				$zval2 = current(array_slice($zthis->fields, 1, 1));
			} else {
				// With NUM or BOTH fetch modes, we have a numeric index
				$zval2 = $zthis->fields[1];
			}
			$zval2 = trim($zval2);
			$value = 'value="' . htmlspecialchars($zval2) . '"';
		}

		$s .= _adodb_getmenu_option($defstr, $compareFields0 ? $zval : $zval2, $value, $zval);

		$zthis->MoveNext();
	} // while

	return $s ."\n</select>\n";
}

function _adodb_getmenu_gp(&$zthis, $name,$defstr='',$blank1stItem=true,$multiple=false,
			$size=0, $selectAttr='',$compareFields0=true)
{
	global $ADODB_FETCH_MODE;

	$s = _adodb_getmenu_select($name, $defstr, $blank1stItem, $multiple, $size, $selectAttr);

	$hasvalue = $zthis->FieldCount() > 1;
	$hasgroup = $zthis->FieldCount() > 2;
	if (!$hasvalue) {
		$compareFields0 = true;
	}

	$value = '';
	$optgroup = null;
	$firstgroup = true;
	while(!$zthis->EOF) {
		$zval = rtrim(reset($zthis->fields));
		$group = '';

		if ($blank1stItem && $zval=="") {
			$zthis->MoveNext();
			continue;
		}

		if ($hasvalue) {
			if ($ADODB_FETCH_MODE == ADODB_FETCH_ASSOC) {
				// Get 2nd field's value regardless of its name
				$fields = array_slice($zthis->fields, 1);
				$zval2 = current($fields);
				if ($hasgroup) {
					$group = trim(next($fields));
				}
			} else {
				// With NUM or BOTH fetch modes, we have a numeric index
				$zval2 = $zthis->fields[1];
				if ($hasgroup) {
					$group = trim($zthis->fields[2]);
				}
			}
			$zval2 = trim($zval2);
			$value = "value='".htmlspecialchars($zval2)."'";
		}

		if ($optgroup != $group) {
			$optgroup = $group;
			if ($firstgroup) {
				$firstgroup = false;
			} else {
				$s .="\n</optgroup>";
			}
			$s .="\n<optgroup label='". htmlspecialchars($group) ."'>";
		}

		$s .= _adodb_getmenu_option($defstr, $compareFields0 ? $zval : $zval2, $value, $zval);

		$zthis->MoveNext();
	} // while

	// closing last optgroup
	if($optgroup != null) {
		$s .= "\n</optgroup>";
	}
	return $s ."\n</select>\n";
}

/**
 * Generate the opening SELECT tag for getmenu functions.
 *
 * ADOdb internal function, used by _adodb_getmenu() and _adodb_getmenu_gp().
 *
 * @param string $name
 * @param string $defstr
 * @param bool   $blank1stItem
 * @param bool   $multiple
 * @param int    $size
 * @param string $selectAttr
 *
 * @return string HTML
 */
function _adodb_getmenu_select($name, $defstr = '', $blank1stItem = true,
							   $multiple = false, $size = 0, $selectAttr = '')
{
	if ($multiple || is_array($defstr)) {
		if ($size == 0 ) {
			$size = 5;
		}
		$attr = ' multiple size="' . $size . '"';
		if (!strpos($name,'[]')) {
			$name .= '[]';
		}
	} elseif ($size) {
		$attr = ' size="' . $size . '"';
	} else {
		$attr = '';
	}

	$html = '<select name="' . $name . '"' . $attr . ' ' . $selectAttr . '>';
	if ($blank1stItem) {
		if (is_string($blank1stItem))  {
			$barr = explode(':',$blank1stItem);
			if (sizeof($barr) == 1) {
				$barr[] = '';
			}
			$html .= "\n<option value=\"" . $barr[0] . "\">" . $barr[1] . "</option>";
		} else {
			$html .= "\n<option></option>";
		}
	}

	return $html;
}

/**
 * Print the OPTION tags for getmenu functions.
 *
 * ADOdb internal function, used by _adodb_getmenu() and _adodb_getmenu_gp().
 *
 * @param string $defstr  Default values
 * @param string $compare Value to compare against defaults
 * @param string $value   Ready-to-print `value="xxx"` (or empty) string
 * @param string $display Display value
 *
 * @return string HTML
 */
function _adodb_getmenu_option($defstr, $compare, $value, $display)
{
	if (   is_array($defstr) && in_array($compare, $defstr)
		|| !is_array($defstr) && strcasecmp($compare, $defstr) == 0
	) {
		$selected = ' selected="selected"';
	} else {
		$selected = '';
	}

	return "\n<option $value$selected>" . htmlspecialchars($display) . '</option>';
}

/*
	Count the number of records this sql statement will return by using
	query rewriting heuristics...

	Does not work with UNIONs, except with postgresql and oracle.

	Usage:

	$conn->Connect(...);
	$cnt = _adodb_getcount($conn, $sql);

*/
function _adodb_getcount(&$zthis, $sql,$inputarr=false,$secs2cache=0)
{
	$qryRecs = 0;


< 	 if (!empty($zthis->_nestedSQL) || preg_match("/^\s*SELECT\s+DISTINCT/is", $sql) ||
< 	 	preg_match('/\s+GROUP\s+BY\s+/is',$sql) ||
< 		preg_match('/\s+UNION\s+/is',$sql)) {



> 	/*
> 	* These databases require a "SELECT * FROM (SELECT" type
> 	* statement to have an alias for the result
> 	*/
> 	$requiresAlias = '';
> 	$requiresAliasArray = array('postgres9','postgres','mysql','mysqli','mssql','mssqlnative','sqlsrv');
> 	if (in_array($zthis->databaseType,$requiresAliasArray)
> 		|| in_array($zthis->dsnType,$requiresAliasArray)
> 	) {
> 		$requiresAlias = '_ADODB_ALIAS_';
> 	}




> 	if (!empty($zthis->_nestedSQL)
		$rewritesql = adodb_strip_order_by($sql);
> 		|| preg_match("/^\s*SELECT\s+DISTINCT/is", $sql)

> 		|| preg_match('/\s+GROUP\s+BY\s+/is',$sql)
		// ok, has SELECT DISTINCT or GROUP BY so see if we can use a table alias
> 		|| preg_match('/\s+UNION\s+/is',$sql)
		// but this is only supported by oracle and postgresql...
> 	) {


		if ($zthis->dataProvider == 'oci8') {
			// Allow Oracle hints to be used for query optimization, Chris Wrye
			if (preg_match('#/\\*+.*?\\*\\/#', $sql, $hint)) {
				$rewritesql = "SELECT ".$hint[0]." COUNT(*) FROM (".$rewritesql.")";
			} else
				$rewritesql = "SELECT COUNT(*) FROM (".$rewritesql.")";

< 
< 		} else if (strncmp($zthis->databaseType,'postgres',8) == 0
< 			|| strncmp($zthis->databaseType,'mysql',5) == 0
< 		|| strncmp($zthis->databaseType,'mssql',5) == 0
< 			|| strncmp($zthis->dsnType,'sqlsrv',5) == 0
< 			|| strncmp($zthis->dsnType,'mssql',5) == 0
< 		){
< 			$rewritesql = "SELECT COUNT(*) FROM ($rewritesql) _ADODB_ALIAS_";


		} else {

< 			$rewritesql = "SELECT COUNT(*) FROM ($rewritesql)";



> 			$rewritesql = "SELECT COUNT(*) FROM ($rewritesql) $requiresAlias";


		}

> 


	} else {

< 		// now replace SELECT ... FROM with SELECT COUNT(*) FROM
< 		if ( strpos($sql, '_ADODB_COUNT') !== FALSE ) {
< 			$rewritesql = preg_replace('/^\s*?SELECT\s+_ADODB_COUNT(.*)_ADODB_COUNT\s/is','SELECT COUNT(*) ',$sql);
< 		} else {
< 			$rewritesql = preg_replace('/^\s*SELECT\s.*\s+FROM\s/Uis','SELECT COUNT(*) FROM ',$sql);



> 		// Replace 'SELECT ... FROM' with 'SELECT COUNT(*) FROM'
> 		// Parse the query one char at a time starting after the SELECT
> 		// to find the FROM clause's position, ignoring any sub-queries.
> 		$start = stripos($sql, 'SELECT') + 7;
> 		if ($start === false) {
> 			// Not a SELECT statement - probably should trigger an exception here
> 			return 0;
> 		}
> 		$len = strlen($sql);
> 		$numParentheses = 0;
> 		for ($pos = $start; $pos < $len; $pos++) {
> 			switch ($sql[$pos]) {
> 				case '(': $numParentheses++; continue 2;
> 				case ')': $numParentheses--; continue 2;
> 			}
> 			// Ignore whatever is between parentheses (sub-queries)
> 			if ($numParentheses > 0) {
> 				continue;
> 			}
> 			// Exit loop if 'FROM' keyword was found
> 			if (strtoupper(substr($sql, $pos, 4)) == 'FROM')  {
> 				break;


		}

> 		}
		// fix by alexander zhukov, alex#unipack.ru, because count(*) and 'order by' fails
> 		$rewritesql = 'SELECT COUNT(*) ' . substr($sql, $pos);
		// with mssql, access and postgresql. Also a good speedup optimization - skips sorting!
> 



< 		// also see http://phplens.com/lens/lensforum/msgs.php?id=12752



> 		// also see PHPLens Issue No: 12752


		$rewritesql = adodb_strip_order_by($rewritesql);
	}

	if (isset($rewritesql) && $rewritesql != $sql) {

< 		if (preg_match('/\sLIMIT\s+[0-9]+/i',$sql,$limitarr)) $rewritesql .= $limitarr[0];



> 		if (preg_match('/\sLIMIT\s+[0-9]+/i',$sql,$limitarr)) {
> 			$rewritesql .= $limitarr[0];
> 		}



		if ($secs2cache) {
			// we only use half the time of secs2cache because the count can quickly
			// become inaccurate if new records are added
			$qryRecs = $zthis->CacheGetOne($secs2cache/2,$rewritesql,$inputarr);

		} else {
			$qryRecs = $zthis->GetOne($rewritesql,$inputarr);
	  	}
		if ($qryRecs !== false) return $qryRecs;
	}

> 


	//--------------------------------------------
	// query rewrite failed - so try slower way...


< 


	// strip off unneeded ORDER BY if no UNION

< 	if (preg_match('/\s*UNION\s*/is', $sql)) $rewritesql = $sql;
< 	else $rewritesql = $rewritesql = adodb_strip_order_by($sql);



> 	if (preg_match('/\s*UNION\s*/is', $sql)) {
> 		$rewritesql = $sql;
> 	} else {
> 		$rewritesql = $rewritesql = adodb_strip_order_by($sql);
> 	}




< 	if (preg_match('/\sLIMIT\s+[0-9]+/i',$sql,$limitarr)) $rewritesql .= $limitarr[0];



> 	if (preg_match('/\sLIMIT\s+[0-9]+/i',$sql,$limitarr)) {
> 		$rewritesql .= $limitarr[0];
> 	}



	if ($secs2cache) {
		$rstest = $zthis->CacheExecute($secs2cache,$rewritesql,$inputarr);
		if (!$rstest) $rstest = $zthis->CacheExecute($secs2cache,$sql,$inputarr);
	} else {
		$rstest = $zthis->Execute($rewritesql,$inputarr);
		if (!$rstest) $rstest = $zthis->Execute($sql,$inputarr);
	}
	if ($rstest) {
	  		$qryRecs = $rstest->RecordCount();
		if ($qryRecs == -1) {

< 		global $ADODB_EXTENSION;


		// some databases will return -1 on MoveLast() - change to MoveNext()

< 			if ($ADODB_EXTENSION) {
< 				while(!$rstest->EOF) {
< 					adodb_movenext($rstest);
< 				}
< 			} else {


				while(!$rstest->EOF) {
					$rstest->MoveNext();
				}

< 			}


			$qryRecs = $rstest->_currentRow;
		}
		$rstest->Close();
		if ($qryRecs == -1) return 0;
	}
	return $qryRecs;
}

/*
 	Code originally from "Cornel G" <conyg@fx.ro>

	This code might not work with SQL that has UNION in it

	Also if you are using CachePageExecute(), there is a strong possibility that
	data will get out of synch. use CachePageExecute() only with tables that
	rarely change.
*/
function _adodb_pageexecute_all_rows(&$zthis, $sql, $nrows, $page,
						$inputarr=false, $secs2cache=0)
{
	$atfirstpage = false;
	$atlastpage = false;
	$lastpageno=1;

	// If an invalid nrows is supplied,
	// we assume a default value of 10 rows per page
	if (!isset($nrows) || $nrows <= 0) $nrows = 10;

	$qryRecs = false; //count records for no offset

	$qryRecs = _adodb_getcount($zthis,$sql,$inputarr,$secs2cache);
	$lastpageno = (int) ceil($qryRecs / $nrows);
	$zthis->_maxRecordCount = $qryRecs;



	// ***** Here we check whether $page is the last page or
	// whether we are trying to retrieve
	// a page number greater than the last page number.
	if ($page >= $lastpageno) {
		$page = $lastpageno;
		$atlastpage = true;
	}

	// If page number <= 1, then we are at the first page
	if (empty($page) || $page <= 1) {
		$page = 1;
		$atfirstpage = true;
	}

	// We get the data we want
	$offset = $nrows * ($page-1);
	if ($secs2cache > 0)
		$rsreturn = $zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $offset, $inputarr);
	else
		$rsreturn = $zthis->SelectLimit($sql, $nrows, $offset, $inputarr, $secs2cache);


	// Before returning the RecordSet, we set the pagination properties we need
	if ($rsreturn) {
		$rsreturn->_maxRecordCount = $qryRecs;
		$rsreturn->rowsPerPage = $nrows;
		$rsreturn->AbsolutePage($page);
		$rsreturn->AtFirstPage($atfirstpage);
		$rsreturn->AtLastPage($atlastpage);
		$rsreturn->LastPageNo($lastpageno);
	}
	return $rsreturn;
}

// Iván Oliva version
function _adodb_pageexecute_no_last_page(&$zthis, $sql, $nrows, $page, $inputarr=false, $secs2cache=0)
{

	$atfirstpage = false;
	$atlastpage = false;

	if (!isset($page) || $page <= 1) {
		// If page number <= 1, then we are at the first page
		$page = 1;
		$atfirstpage = true;
	}
	if ($nrows <= 0) {
		// If an invalid nrows is supplied, we assume a default value of 10 rows per page
		$nrows = 10;
	}

	$pagecounteroffset = ($page * $nrows) - $nrows;

	// To find out if there are more pages of rows, simply increase the limit or
	// nrows by 1 and see if that number of records was returned. If it was,
	// then we know there is at least one more page left, otherwise we are on
	// the last page. Therefore allow non-Count() paging with single queries
	// rather than three queries as was done before.
	$test_nrows = $nrows + 1;
	if ($secs2cache > 0) {
		$rsreturn = $zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $pagecounteroffset, $inputarr);
	} else {
		$rsreturn = $zthis->SelectLimit($sql, $test_nrows, $pagecounteroffset, $inputarr, $secs2cache);
	}

	// Now check to see if the number of rows returned was the higher value we asked for or not.
	if ( $rsreturn->_numOfRows == $test_nrows ) {
		// Still at least 1 more row, so we are not on last page yet...
		// Remove the last row from the RS.
		$rsreturn->_numOfRows = ( $rsreturn->_numOfRows - 1 );
	} elseif ( $rsreturn->_numOfRows == 0 && $page > 1 ) {
		// Likely requested a page that doesn't exist, so need to find the last
		// page and return it. Revert to original method and loop through pages
		// until we find some data...
		$pagecounter = $page + 1;
		$pagecounteroffset = ($pagecounter * $nrows) - $nrows;

		$rstest = $rsreturn;
		if ($rstest) {
			while ($rstest && $rstest->EOF && $pagecounter > 0) {
				$atlastpage = true;
				$pagecounter--;
				$pagecounteroffset = $nrows * ($pagecounter - 1);
				$rstest->Close();
				if ($secs2cache>0) {
					$rstest = $zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $pagecounteroffset, $inputarr);
				}
				else {
					$rstest = $zthis->SelectLimit($sql, $nrows, $pagecounteroffset, $inputarr, $secs2cache);
				}
			}
			if ($rstest) $rstest->Close();
		}
		if ($atlastpage) {
			// If we are at the last page or beyond it, we are going to retrieve it
			$page = $pagecounter;
			if ($page == 1) {
				// We have to do this again in case the last page is the same as
				// the first page, that is, the recordset has only 1 page.
				$atfirstpage = true;
			}
		}
		// We get the data we want
		$offset = $nrows * ($page-1);
		if ($secs2cache > 0) {
			$rsreturn = $zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $offset, $inputarr);
		}
		else {
			$rsreturn = $zthis->SelectLimit($sql, $nrows, $offset, $inputarr, $secs2cache);
		}
	} elseif ( $rsreturn->_numOfRows < $test_nrows ) {
		// Rows is less than what we asked for, so must be at the last page.
		$atlastpage = true;
	}

	// Before returning the RecordSet, we set the pagination properties we need
	if ($rsreturn) {
		$rsreturn->rowsPerPage = $nrows;
		$rsreturn->AbsolutePage($page);
		$rsreturn->AtFirstPage($atfirstpage);
		$rsreturn->AtLastPage($atlastpage);
	}
	return $rsreturn;
}


< function _adodb_getupdatesql(&$zthis,&$rs, $arrFields,$forceUpdate=false,$magicq=false,$force=2)



> /**
>  * Performs case conversion and quoting of the given field name.
>  *
>  * See Global variable $ADODB_QUOTE_FIELDNAMES.
>  *
>  * @param ADOConnection $zthis
>  * @param string $fieldName
>  *
>  * @return string Quoted field name
>  */
> function _adodb_quote_fieldname($zthis, $fieldName)


{
	global $ADODB_QUOTE_FIELDNAMES;


> 	// Case conversion - defaults to UPPER
		if (!$rs) {
> 	$case = is_bool($ADODB_QUOTE_FIELDNAMES) ? 'UPPER' : $ADODB_QUOTE_FIELDNAMES;
			printf(ADODB_BAD_RS,'GetUpdateSQL');
> 	switch ($case) {
			return false;
> 		case 'LOWER':
		}
> 			$fieldName = strtolower($fieldName);

> 			break;
		$fieldUpdatedCount = 0;
> 		case 'NATIVE':
		$arrFields = _array_change_key_case($arrFields);
> 			// Do nothing

> 			break;
		$hasnumeric = isset($rs->fields[0]);
> 		case 'UPPER':
		$setFields = '';
> 		case 'BRACKETS':

> 		default:
		// Loop through all of the fields in the recordset
> 			$fieldName = strtoupper($fieldName);
		for ($i=0, $max=$rs->FieldCount(); $i < $max; $i++) {
> 			break;
			// Get the field from the recordset
> 	}
			$field = $rs->FetchField($i);
> 

> 	// Quote field if requested, or necessary (field contains space)
			// If the recordset field is one
> 	if ($ADODB_QUOTE_FIELDNAMES || strpos($fieldName, ' ') !== false ) {
			// of the fields passed in then process.
> 		if ($ADODB_QUOTE_FIELDNAMES === 'BRACKETS') {
			$upperfname = strtoupper($field->name);
> 			return $zthis->leftBracket . $fieldName . $zthis->rightBracket;
			if (adodb_key_exists($upperfname,$arrFields,$force)) {
> 		} else {

> 			return $zthis->nameQuote . $fieldName . $zthis->nameQuote;
				// If the existing field value in the recordset
> 		}
				// is different from the value passed in then
> 	} else {
				// go ahead and append the field name and new value to
> 		return $fieldName;
				// the update query.
> 	}

> }
				if ($hasnumeric) $val = $rs->fields[$i];
> 
				else if (isset($rs->fields[$upperfname])) $val = $rs->fields[$upperfname];
> function _adodb_getupdatesql(&$zthis, &$rs, $arrFields, $forceUpdate=false, $force=2)
				else if (isset($rs->fields[$field->name])) $val =  $rs->fields[$field->name];
> {



< 		$arrFields = _array_change_key_case($arrFields);



> 	if (is_array($arrFields))
> 		$arrFields = array_change_key_case($arrFields,CASE_UPPER);



< 		for ($i=0, $max=$rs->FieldCount(); $i < $max; $i++) {



> 	for ($i=0, $max=$rs->fieldCount(); $i < $max; $i++) {



< 			$field = $rs->FetchField($i);



> 		$field = $rs->fetchField($i);



< 


				if ($forceUpdate || strcmp($val, $arrFields[$upperfname])) {
					// Set the counter for the number of fields that will be updated.
					$fieldUpdatedCount++;

					// Based on the datatype of the field
					// Format the value properly for the database

< 					$type = $rs->MetaType($field->type);
< 



> 				$type = $rs->metaType($field->type);



					if ($type == 'null') {
						$type = 'C';
					}


< 					if ((strpos($upperfname,' ') !== false) || ($ADODB_QUOTE_FIELDNAMES)) {
< 						switch ($ADODB_QUOTE_FIELDNAMES) {
< 						case 'LOWER':
< 							$fnameq = $zthis->nameQuote.strtolower($field->name).$zthis->nameQuote;break;
< 						case 'NATIVE':
< 							$fnameq = $zthis->nameQuote.$field->name.$zthis->nameQuote;break;
< 						case 'UPPER':
< 						default:
< 							$fnameq = $zthis->nameQuote.$upperfname.$zthis->nameQuote;break;
< 						}
< 					} else
< 						$fnameq = $upperfname;



> 				$fnameq = _adodb_quote_fieldname($zthis, $field->name);



                //********************************************************//
                if (is_null($arrFields[$upperfname])
					|| (empty($arrFields[$upperfname]) && strlen($arrFields[$upperfname]) == 0)
                    || $arrFields[$upperfname] === $zthis->null2null

<                     )
<                 {



> 					) {
> 


                    switch ($force) {

                        //case 0:

<                         //    //Ignore empty values. This is allready handled in "adodb_key_exists" function.



> 						//	// Ignore empty values. This is already handled in "adodb_key_exists" function.


                        //break;

                        case 1:

<                             //Set null
<                             $setFields .= $field->name . " = null, ";



> 							// set null
> 							$setFields .= $fnameq . " = null, ";


                        break;

                        case 2:

<                             //Set empty



> 							// set empty


                            $arrFields[$upperfname] = "";

<                             $setFields .= _adodb_column_sql($zthis, 'U', $type, $upperfname, $fnameq,$arrFields, $magicq);



> 							$setFields .= _adodb_column_sql($zthis, 'U', $type, $upperfname, $fnameq, $arrFields);


                        break;

> 


						default:
                        case 3:

<                             //Set the value that was given in array, so you can give both null and empty values



> 							// set the value that was given in array, so you can give both null and empty values


                            if (is_null($arrFields[$upperfname]) || $arrFields[$upperfname] === $zthis->null2null) {

<                                 $setFields .= $field->name . " = null, ";



> 								$setFields .= $fnameq . " = null, ";


                            } else {

<                                 $setFields .= _adodb_column_sql($zthis, 'U', $type, $upperfname, $fnameq,$arrFields, $magicq);



> 								$setFields .= _adodb_column_sql($zthis, 'U', $type, $upperfname, $fnameq, $arrFields);
> 							}
> 							break;
> 
> 						case ADODB_FORCE_NULL_AND_ZERO:
> 
> 							switch ($type) {
> 								case 'N':
> 								case 'I':
> 								case 'L':
> 									$setFields .= $fnameq . ' = 0, ';
> 									break;
> 								default:
> 									$setFields .= $fnameq . ' = null, ';
> 									break;


                            }
                        break;

> 


                    }
                //********************************************************//
                } else {
						//we do this so each driver can customize the sql for
						//DB specific column types.
						//Oracle needs BLOB types to be handled with a returning clause
						//postgres has special needs as well

< 						$setFields .= _adodb_column_sql($zthis, 'U', $type, $upperfname, $fnameq,
< 														  $arrFields, $magicq);



> 					$setFields .= _adodb_column_sql($zthis, 'U', $type, $upperfname, $fnameq, $arrFields);


					}
				}
			}
		}

		// If there were any modified fields then build the rest of the update query.
		if ($fieldUpdatedCount > 0 || $forceUpdate) {
					// Get the table name from the existing query.

< 			if (!empty($rs->tableName)) $tableName = $rs->tableName;
< 			else {



> 		if (!empty($rs->tableName)) {
> 			$tableName = $rs->tableName;
> 		} else {


				preg_match("/FROM\s+".ADODB_TABLE_REGEX."/is", $rs->sql, $tableName);
				$tableName = $tableName[1];
			}

< 			// Get the full where clause excluding the word "WHERE" from
< 			// the existing query.



> 
> 		// Get the full where clause excluding the word "WHERE" from the existing query.


			preg_match('/\sWHERE\s(.*)/is', $rs->sql, $whereClause);

			$discard = false;
			// not a good hack, improvements?
			if ($whereClause) {
			#var_dump($whereClause);
				if (preg_match('/\s(ORDER\s.*)/is', $whereClause[1], $discard));
				else if (preg_match('/\s(LIMIT\s.*)/is', $whereClause[1], $discard));
				else if (preg_match('/\s(FOR UPDATE.*)/is', $whereClause[1], $discard));
				else preg_match('/\s.*(\) WHERE .*)/is', $whereClause[1], $discard); # see https://sourceforge.net/p/adodb/bugs/37/

< 			} else



> 		} else {


				$whereClause = array(false,false);

> 		}




< 			if ($discard)



> 		if ($discard) {


				$whereClause[1] = substr($whereClause[1], 0, strlen($whereClause[1]) - strlen($discard[1]));

> 		}



			$sql = 'UPDATE '.$tableName.' SET '.substr($setFields, 0, -2);

< 			if (strlen($whereClause[1]) > 0)



> 		if (strlen($whereClause[1]) > 0) {


				$sql .= ' WHERE '.$whereClause[1];

< 



> 		}


			return $sql;

< 


		} else {
			return false;
	}
}

function adodb_key_exists($key, &$arr,$force=2)
{
	if ($force<=0) {
		// the following is the old behaviour where null or empty fields are ignored
		return (!empty($arr[$key])) || (isset($arr[$key]) && strlen($arr[$key])>0);
	}


< 	if (isset($arr[$key])) return true;



> 	if (isset($arr[$key])) 
> 		return true;


	## null check below

< 	if (ADODB_PHPVER >= 0x4010) return array_key_exists($key,$arr);
< 	return false;



> 	return array_key_exists($key,$arr);


}

/**
 * There is a special case of this function for the oci8 driver.
 * The proper way to handle an insert w/ a blob in oracle requires
 * a returning clause with bind variables and a descriptor blob.
 *
 *
 */

< function _adodb_getinsertsql(&$zthis,&$rs,$arrFields,$magicq=false,$force=2)



> function _adodb_getinsertsql(&$zthis, &$rs, $arrFields, $force=2)


{
static $cacheRS = false;
static $cacheSig = 0;
static $cacheCols;

< 	global $ADODB_QUOTE_FIELDNAMES;



	$tableName = '';
	$values = '';
	$fields = '';
	$recordSet = null;

< 	$arrFields = _array_change_key_case($arrFields);



> 	if (is_array($arrFields))
> 		$arrFields = array_change_key_case($arrFields,CASE_UPPER);


	$fieldInsertedCount = 0;

	if (is_string($rs)) {
		//ok we have a table name
		//try and get the column info ourself.
		$tableName = $rs;

		//we need an object for the recordSet
		//because we have to call MetaType.
		//php can't do a $rsclass::MetaType()
		$rsclass = $zthis->rsPrefix.$zthis->databaseType;
		$recordSet = new $rsclass(-1,$zthis->fetchMode);
		$recordSet->connection = $zthis;

		if (is_string($cacheRS) && $cacheRS == $rs) {
			$columns = $cacheCols;
		} else {
			$columns = $zthis->MetaColumns( $tableName );
			$cacheRS = $tableName;
			$cacheCols = $columns;
		}
	} else if (is_subclass_of($rs, 'adorecordset')) {
		if (isset($rs->insertSig) && is_integer($cacheRS) && $cacheRS == $rs->insertSig) {
			$columns = $cacheCols;
		} else {
			for ($i=0, $max=$rs->FieldCount(); $i < $max; $i++)
				$columns[] = $rs->FetchField($i);
			$cacheRS = $cacheSig;
			$cacheCols = $columns;
			$rs->insertSig = $cacheSig++;
		}
		$recordSet = $rs;

	} else {
		printf(ADODB_BAD_RS,'GetInsertSQL');
		return false;
	}

	// Loop through all of the fields in the recordset
	foreach( $columns as $field ) {
		$upperfname = strtoupper($field->name);
		if (adodb_key_exists($upperfname,$arrFields,$force)) {
			$bad = false;

< 			if ((strpos($upperfname,' ') !== false) || ($ADODB_QUOTE_FIELDNAMES)) {
< 				switch ($ADODB_QUOTE_FIELDNAMES) {
< 				case 'LOWER':
< 					$fnameq = $zthis->nameQuote.strtolower($field->name).$zthis->nameQuote;break;
< 				case 'NATIVE':
< 					$fnameq = $zthis->nameQuote.$field->name.$zthis->nameQuote;break;
< 				case 'UPPER':
< 				default:
< 					$fnameq = $zthis->nameQuote.$upperfname.$zthis->nameQuote;break;
< 				}
< 			} else
< 				$fnameq = $upperfname;
< 



> 			$fnameq = _adodb_quote_fieldname($zthis, $field->name);


			$type = $recordSet->MetaType($field->type);

            /********************************************************/
            if (is_null($arrFields[$upperfname])
                || (empty($arrFields[$upperfname]) && strlen($arrFields[$upperfname]) == 0)
                || $arrFields[$upperfname] === $zthis->null2null
				)
               {
                    switch ($force) {


<                         case 0: // we must always set null if missing



>                         case ADODB_FORCE_IGNORE: // we must always set null if missing


							$bad = true;
							break;


<                         case 1:



>                         case ADODB_FORCE_NULL:


                            $values  .= "null, ";
                        break;


<                         case 2:



>                         case ADODB_FORCE_EMPTY:


                            //Set empty
                            $arrFields[$upperfname] = "";

<                             $values .= _adodb_column_sql($zthis, 'I', $type, $upperfname, $fnameq,$arrFields, $magicq);



> 							$values .= _adodb_column_sql($zthis, 'I', $type, $upperfname, $fnameq, $arrFields);


                        break;

						default:

<                         case 3:



>                         case ADODB_FORCE_VALUE:


                            //Set the value that was given in array, so you can give both null and empty values
							if (is_null($arrFields[$upperfname]) || $arrFields[$upperfname] === $zthis->null2null) {
								$values  .= "null, ";
							} else {

<                         		$values .= _adodb_column_sql($zthis, 'I', $type, $upperfname, $fnameq, $arrFields, $magicq);



> 								$values .= _adodb_column_sql($zthis, 'I', $type, $upperfname, $fnameq, $arrFields);
>              				}
>               			break;
> 
> 						case ADODB_FORCE_NULL_AND_ZERO:
> 							switch ($type)
> 							{
> 								case 'N':
> 								case 'I':
> 								case 'L':
> 									$values .= '0, ';
> 									break;
> 								default:
> 									$values .= "null, ";
> 									break;


             				}
              			break;

> 


             		} // switch

            /*********************************************************/
			} else {
				//we do this so each driver can customize the sql for
				//DB specific column types.
				//Oracle needs BLOB types to be handled with a returning clause
				//postgres has special needs as well

< 				$values .= _adodb_column_sql($zthis, 'I', $type, $upperfname, $fnameq,
< 											   $arrFields, $magicq);



> 				$values .= _adodb_column_sql($zthis, 'I', $type, $upperfname, $fnameq, $arrFields);


			}

			if ($bad) continue;
			// Set the counter for the number of fields that will be inserted.
			$fieldInsertedCount++;


			// Get the name of the fields to insert
			$fields .= $fnameq . ", ";
		}
	}


	// If there were any inserted fields then build the rest of the insert query.
	if ($fieldInsertedCount <= 0)  return false;

	// Get the table name from the existing query.
	if (!$tableName) {
		if (!empty($rs->tableName)) $tableName = $rs->tableName;
		else if (preg_match("/FROM\s+".ADODB_TABLE_REGEX."/is", $rs->sql, $tableName))
			$tableName = $tableName[1];
		else
			return false;
	}

	// Strip off the comma and space on the end of both the fields
	// and their values.
	$fields = substr($fields, 0, -2);
	$values = substr($values, 0, -2);

	// Append the fields and their values to the insert query.
	return 'INSERT INTO '.$tableName.' ( '.$fields.' ) VALUES ( '.$values.' )';
}


/**
 * This private method is used to help construct
 * the update/sql which is generated by GetInsertSQL and GetUpdateSQL.
 * It handles the string construction of 1 column -> sql string based on
 * the column type.  We want to do 'safe' handling of BLOBs
 *
 * @param string the type of sql we are trying to create
 *                'I' or 'U'.
 * @param string column data type from the db::MetaType() method
 * @param string the column name
 * @param array the column value
 *
 * @return string
 *
 */

< function _adodb_column_sql_oci8(&$zthis,$action, $type, $fname, $fnameq, $arrFields, $magicq)



> function _adodb_column_sql_oci8(&$zthis,$action, $type, $fname, $fnameq, $arrFields)


{
    $sql = '';

    // Based on the datatype of the field
    // Format the value properly for the database
    switch($type) {
    case 'B':
        //in order to handle Blobs correctly, we need
        //to do some magic for Oracle

        //we need to create a new descriptor to handle
        //this properly
        if (!empty($zthis->hasReturningInto)) {
            if ($action == 'I') {
                $sql = 'empty_blob(), ';
            } else {
                $sql = $fnameq. '=empty_blob(), ';
            }
            //add the variable to the returning clause array
            //so the user can build this later in
            //case they want to add more to it
            $zthis->_returningArray[$fname] = ':xx'.$fname.'xx';
        } else if (empty($arrFields[$fname])){
            if ($action == 'I') {
                $sql = 'empty_blob(), ';
            } else {
                $sql = $fnameq. '=empty_blob(), ';
            }
        } else {
            //this is to maintain compatibility
            //with older adodb versions.

<             $sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq,false);



> 			$sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, false);


        }
        break;

    case "X":
        //we need to do some more magic here for long variables
        //to handle these correctly in oracle.

        //create a safe bind var name
        //to avoid conflicts w/ dupes.
       if (!empty($zthis->hasReturningInto)) {
            if ($action == 'I') {
                $sql = ':xx'.$fname.'xx, ';
            } else {
                $sql = $fnameq.'=:xx'.$fname.'xx, ';
            }
            //add the variable to the returning clause array
            //so the user can build this later in
            //case they want to add more to it
            $zthis->_returningArray[$fname] = ':xx'.$fname.'xx';
        } else {
            //this is to maintain compatibility
            //with older adodb versions.

<             $sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq,false);



> 			$sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, false);


        }
        break;

    default:

<         $sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq,  $arrFields, $magicq,false);



> 		$sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq,  $arrFields, false);


        break;
    }

    return $sql;
}


< function _adodb_column_sql(&$zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq, $recurse=true)



> function _adodb_column_sql(&$zthis, $action, $type, $fname, $fnameq, $arrFields, $recurse=true)


{

	if ($recurse) {
		switch($zthis->dataProvider)  {
		case 'postgres':
			if ($type == 'L') $type = 'C';
			break;
		case 'oci8':

< 			return _adodb_column_sql_oci8($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq);



> 			return _adodb_column_sql_oci8($zthis, $action, $type, $fname, $fnameq, $arrFields);



		}
	}

	switch($type) {
		case "C":
		case "X":
		case 'B':

< 			$val = $zthis->qstr($arrFields[$fname],$magicq);



> 			$val = $zthis->qstr($arrFields[$fname]);


			break;

		case "D":
			$val = $zthis->DBDate($arrFields[$fname]);
			break;

		case "T":
			$val = $zthis->DBTimeStamp($arrFields[$fname]);
			break;

		case "N":
		    $val = $arrFields[$fname];
			if (!is_numeric($val)) $val = str_replace(',', '.', (float)$val);
		    break;

		case "I":
		case "R":
		    $val = $arrFields[$fname];
			if (!is_numeric($val)) $val = (integer) $val;
		    break;

		default:
			$val = str_replace(array("'"," ","("),"",$arrFields[$fname]); // basic sql injection defence
			if (empty($val)) $val = '0';
			break;
	}

	if ($action == 'I') return $val . ", ";


< 


	return $fnameq . "=" . $val  . ", ";

< 


}



function _adodb_debug_execute(&$zthis, $sql, $inputarr)
{
	$ss = '';
	if ($inputarr) {
		foreach($inputarr as $kk=>$vv) {
			if (is_string($vv) && strlen($vv)>64) $vv = substr($vv,0,64).'...';
			if (is_null($vv)) $ss .= "($kk=>null) ";

< 			else $ss .= "($kk=>'$vv') ";



> 			else 
> 			{
> 				if (is_array($vv))
> 				{
> 					$vv = sprintf("Array Of Values: [%s]", implode(',',$vv));
> 				}
> 				$ss .= "($kk=>'$vv') ";


		}

> 		}
		$ss = "[ $ss ]";
> 		


	}
	$sqlTxt = is_array($sql) ? $sql[0] : $sql;
	/*str_replace(', ','##1#__^LF',is_array($sql) ? $sql[0] : $sql);
	$sqlTxt = str_replace(',',', ',$sqlTxt);
	$sqlTxt = str_replace('##1#__^LF', ', ' ,$sqlTxt);
	*/
	// check if running from browser or command-line
	$inBrowser = isset($_SERVER['HTTP_USER_AGENT']);

	$dbt = $zthis->databaseType;
	if (isset($zthis->dsnType)) $dbt .= '-'.$zthis->dsnType;
	if ($inBrowser) {
		if ($ss) {
			$ss = '<code>'.htmlspecialchars($ss).'</code>';
		}
		if ($zthis->debug === -1)
			ADOConnection::outp( "<br>\n($dbt): ".htmlspecialchars($sqlTxt)." &nbsp; $ss\n<br>\n",false);
		else if ($zthis->debug !== -99)
			ADOConnection::outp( "<hr>\n($dbt): ".htmlspecialchars($sqlTxt)." &nbsp; $ss\n<hr>\n",false);
	} else {
		$ss = "\n   ".$ss;
		if ($zthis->debug !== -99)
			ADOConnection::outp("-----<hr>\n($dbt): ".$sqlTxt." $ss\n-----<hr>\n",false);
	}

	$qID = $zthis->_query($sql,$inputarr);

	/*
		Alexios Fakios notes that ErrorMsg() must be called before ErrorNo() for mssql
		because ErrorNo() calls Execute('SELECT @ERROR'), causing recursion
	*/
	if ($zthis->databaseType == 'mssql') {
	// ErrorNo is a slow function call in mssql, and not reliable in PHP 4.0.6

		if($emsg = $zthis->ErrorMsg()) {
			if ($err = $zthis->ErrorNo()) {
				if ($zthis->debug === -99)
					ADOConnection::outp( "<hr>\n($dbt): ".htmlspecialchars($sqlTxt)." &nbsp; $ss\n<hr>\n",false);

				ADOConnection::outp($err.': '.$emsg);
			}
		}
	} else if (!$qID) {

		if ($zthis->debug === -99)
				if ($inBrowser) ADOConnection::outp( "<hr>\n($dbt): ".htmlspecialchars($sqlTxt)." &nbsp; $ss\n<hr>\n",false);
				else ADOConnection::outp("-----<hr>\n($dbt): ".$sqlTxt."$ss\n-----<hr>\n",false);

		ADOConnection::outp($zthis->ErrorNo() .': '. $zthis->ErrorMsg());
	}

	if ($zthis->debug === 99) _adodb_backtrace(true,9999,2);
	return $qID;
}

# pretty print the debug_backtrace function
function _adodb_backtrace($printOrArr=true,$levels=9999,$skippy=0,$ishtml=null)
{
	if (!function_exists('debug_backtrace')) return '';

	if ($ishtml === null) $html =  (isset($_SERVER['HTTP_USER_AGENT']));
	else $html = $ishtml;

	$fmt =  ($html) ? "</font><font color=#808080 size=-1> %% line %4d, file: <a href=\"file:/%s\">%s</a></font>" : "%% line %4d, file: %s";

	$MAXSTRLEN = 128;

	$s = ($html) ? '<pre align=left>' : '';

	if (is_array($printOrArr)) $traceArr = $printOrArr;
	else $traceArr = debug_backtrace();
	array_shift($traceArr);
	array_shift($traceArr);
	$tabs = sizeof($traceArr)-2;

	foreach ($traceArr as $arr) {
		if ($skippy) {$skippy -= 1; continue;}
		$levels -= 1;
		if ($levels < 0) break;

		$args = array();
		for ($i=0; $i < $tabs; $i++) $s .=  ($html) ? ' &nbsp; ' : "\t";
		$tabs -= 1;
		if ($html) $s .= '<font face="Courier New,Courier">';
		if (isset($arr['class'])) $s .= $arr['class'].'.';
		if (isset($arr['args']))
		 foreach($arr['args'] as $v) {
			if (is_null($v)) $args[] = 'null';
			else if (is_array($v)) $args[] = 'Array['.sizeof($v).']';
			else if (is_object($v)) $args[] = 'Object:'.get_class($v);
			else if (is_bool($v)) $args[] = $v ? 'true' : 'false';
			else {
				$v = (string) @$v;
				$str = htmlspecialchars(str_replace(array("\r","\n"),' ',substr($v,0,$MAXSTRLEN)));
				if (strlen($v) > $MAXSTRLEN) $str .= '...';
				$args[] = $str;
			}
		}
		$s .= $arr['function'].'('.implode(', ',$args).')';


		$s .= @sprintf($fmt, $arr['line'],$arr['file'],basename($arr['file']));

		$s .= "\n";
	}
	if ($html) $s .= '</pre>';
	if ($printOrArr) print $s;

	return $s;
}
/*
function _adodb_find_from($sql)
{

	$sql = str_replace(array("\n","\r"), ' ', $sql);
	$charCount = strlen($sql);

	$inString = false;
	$quote = '';
	$parentheseCount = 0;
	$prevChars = '';
	$nextChars = '';


	for($i = 0; $i < $charCount; $i++) {

    	$char = substr($sql,$i,1);
	    $prevChars = substr($sql,0,$i);
    	$nextChars = substr($sql,$i+1);

		if((($char == "'" || $char == '"' || $char == '`') && substr($prevChars,-1,1) != '\\') && $inString === false) {
			$quote = $char;
			$inString = true;
		}

		elseif((($char == "'" || $char == '"' || $char == '`') && substr($prevChars,-1,1) != '\\') && $inString === true && $quote == $char) {
			$quote = "";
			$inString = false;
		}

		elseif($char == "(" && $inString === false)
			$parentheseCount++;

		elseif($char == ")" && $inString === false && $parentheseCount > 0)
			$parentheseCount--;

		elseif($parentheseCount <= 0 && $inString === false && $char == " " && strtoupper(substr($prevChars,-5,5)) == " FROM")
			return $i;

	}
}
*/