1283 lines
36 KiB
PHP
1283 lines
36 KiB
PHP
<?php
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/**
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* Helper functions.
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*
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* Less commonly used functions are placed here to reduce size of adodb.inc.php.
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*
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* This file is part of ADOdb, a Database Abstraction Layer library for PHP.
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*
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* @package ADOdb
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* @link https://adodb.org Project's web site and documentation
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* @link https://github.com/ADOdb/ADOdb Source code and issue tracker
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*
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* The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
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* and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
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* any later version. This means you can use it in proprietary products.
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* See the LICENSE.md file distributed with this source code for details.
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* @license BSD-3-Clause
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* @license LGPL-2.1-or-later
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*
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* @copyright 2000-2013 John Lim
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* @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
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*/
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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global $ADODB_INCLUDED_LIB;
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$ADODB_INCLUDED_LIB = 1;
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function adodb_strip_order_by($sql)
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{
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preg_match_all('/(\sORDER\s+BY\s(?:[^)](?!LIMIT))*)/is', $sql, $arr);
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if ($arr)
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{
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$tmp = array_pop($arr);
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$arr = [1=>array_pop($tmp)];
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}
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if ($arr)
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if (strpos($arr[1], '(') !== false) {
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$at = strpos($sql, $arr[1]);
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$cntin = 0;
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for ($i=$at, $max=strlen($sql); $i < $max; $i++) {
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$ch = $sql[$i];
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if ($ch == '(') {
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$cntin += 1;
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} elseif($ch == ')') {
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$cntin -= 1;
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if ($cntin < 0) {
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break;
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}
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}
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}
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$sql = substr($sql,0,$at).substr($sql,$i);
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} else {
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$sql = str_replace($arr[1], '', $sql);
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}
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return $sql;
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}
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function adodb_probetypes($array,&$types,$probe=8)
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{
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// probe and guess the type
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$types = array();
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if ($probe > sizeof($array)) $max = sizeof($array);
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else $max = $probe;
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for ($j=0;$j < $max; $j++) {
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$row = $array[$j];
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if (!$row) break;
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$i = -1;
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foreach($row as $v) {
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$i += 1;
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if (isset($types[$i]) && $types[$i]=='C') continue;
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//print " ($i ".$types[$i]. "$v) ";
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$v = trim($v);
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if (!preg_match('/^[+-]{0,1}[0-9\.]+$/',$v)) {
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$types[$i] = 'C'; // once C, always C
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continue;
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}
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if ($j == 0) {
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// If empty string, we presume is character
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// test for integer for 1st row only
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// after that it is up to testing other rows to prove
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// that it is not an integer
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if (strlen($v) == 0) $types[$i] = 'C';
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if (strpos($v,'.') !== false) $types[$i] = 'N';
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else $types[$i] = 'I';
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continue;
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}
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if (strpos($v,'.') !== false) $types[$i] = 'N';
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}
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}
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}
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function adodb_transpose(&$arr, &$newarr, &$hdr, $fobjs)
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{
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$oldX = sizeof(reset($arr));
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$oldY = sizeof($arr);
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if ($hdr) {
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$startx = 1;
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$hdr = array('Fields');
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for ($y = 0; $y < $oldY; $y++) {
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$hdr[] = $arr[$y][0];
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}
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} else
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$startx = 0;
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for ($x = $startx; $x < $oldX; $x++) {
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if ($fobjs) {
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$o = $fobjs[$x];
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$newarr[] = array($o->name);
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} else
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$newarr[] = array();
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for ($y = 0; $y < $oldY; $y++) {
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$newarr[$x-$startx][] = $arr[$y][$x];
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}
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}
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}
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function _adodb_replace($zthis, $table, $fieldArray, $keyCol, $autoQuote, $has_autoinc)
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{
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// Add Quote around table name to support use of spaces / reserved keywords
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$table=sprintf('%s%s%s', $zthis->nameQuote,$table,$zthis->nameQuote);
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if (count($fieldArray) == 0) return 0;
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if (!is_array($keyCol)) {
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$keyCol = array($keyCol);
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}
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$uSet = '';
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foreach($fieldArray as $k => $v) {
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if ($v === null) {
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$v = 'NULL';
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$fieldArray[$k] = $v;
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} else if ($autoQuote && /*!is_numeric($v) /*and strncmp($v,"'",1) !== 0 -- sql injection risk*/ strcasecmp($v,$zthis->null2null)!=0) {
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$v = $zthis->qstr($v);
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$fieldArray[$k] = $v;
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}
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if (in_array($k,$keyCol)) continue; // skip UPDATE if is key
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// Add Quote around column name to support use of spaces / reserved keywords
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$uSet .= sprintf(',%s%s%s=%s',$zthis->nameQuote,$k,$zthis->nameQuote,$v);
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}
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$uSet = ltrim($uSet, ',');
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// Add Quote around column name in where clause
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$where = '';
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foreach ($keyCol as $v) {
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if (isset($fieldArray[$v])) {
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$where .= sprintf(' and %s%s%s=%s ', $zthis->nameQuote,$v,$zthis->nameQuote,$fieldArray[$v]);
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}
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}
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if ($where) {
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$where = substr($where, 5);
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}
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if ($uSet && $where) {
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$update = "UPDATE $table SET $uSet WHERE $where";
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$rs = $zthis->Execute($update);
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if ($rs) {
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if ($zthis->poorAffectedRows) {
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// The Select count(*) wipes out any errors that the update would have returned.
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// PHPLens Issue No: 5696
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if ($zthis->ErrorNo()<>0) return 0;
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// affected_rows == 0 if update field values identical to old values
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// for mysql - which is silly.
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$cnt = $zthis->GetOne("select count(*) from $table where $where");
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if ($cnt > 0) return 1; // record already exists
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} else {
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if (($zthis->Affected_Rows()>0)) return 1;
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}
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} else
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return 0;
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}
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$iCols = $iVals = '';
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foreach($fieldArray as $k => $v) {
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if ($has_autoinc && in_array($k,$keyCol)) continue; // skip autoinc col
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// Add Quote around Column Name
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$iCols .= sprintf(',%s%s%s',$zthis->nameQuote,$k,$zthis->nameQuote);
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$iVals .= ",$v";
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}
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$iCols = ltrim($iCols, ',');
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$iVals = ltrim($iVals, ',');
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$insert = "INSERT INTO $table ($iCols) VALUES ($iVals)";
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$rs = $zthis->Execute($insert);
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return ($rs) ? 2 : 0;
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}
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function _adodb_getmenu($zthis, $name,$defstr='',$blank1stItem=true,$multiple=false,
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$size=0, $selectAttr='',$compareFields0=true)
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{
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global $ADODB_FETCH_MODE;
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$s = _adodb_getmenu_select($name, $defstr, $blank1stItem, $multiple, $size, $selectAttr);
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$hasvalue = $zthis->FieldCount() > 1;
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if (!$hasvalue) {
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$compareFields0 = true;
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}
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$value = '';
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while(!$zthis->EOF) {
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$zval = rtrim(reset($zthis->fields));
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if ($blank1stItem && $zval == "") {
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$zthis->MoveNext();
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continue;
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}
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if ($hasvalue) {
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if ($ADODB_FETCH_MODE == ADODB_FETCH_ASSOC) {
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// Get 2nd field's value regardless of its name
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$zval2 = current(array_slice($zthis->fields, 1, 1));
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} else {
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// With NUM or BOTH fetch modes, we have a numeric index
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$zval2 = $zthis->fields[1];
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}
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$zval2 = trim($zval2);
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$value = 'value="' . htmlspecialchars($zval2) . '"';
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}
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/** @noinspection PhpUndefinedVariableInspection */
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$s .= _adodb_getmenu_option($defstr, $compareFields0 ? $zval : $zval2, $value, $zval);
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$zthis->MoveNext();
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} // while
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return $s ."\n</select>\n";
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}
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function _adodb_getmenu_gp($zthis, $name,$defstr='',$blank1stItem=true,$multiple=false,
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$size=0, $selectAttr='',$compareFields0=true)
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{
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global $ADODB_FETCH_MODE;
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$s = _adodb_getmenu_select($name, $defstr, $blank1stItem, $multiple, $size, $selectAttr);
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$hasvalue = $zthis->FieldCount() > 1;
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$hasgroup = $zthis->FieldCount() > 2;
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if (!$hasvalue) {
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$compareFields0 = true;
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}
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$value = '';
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$optgroup = null;
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$firstgroup = true;
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while(!$zthis->EOF) {
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$zval = rtrim(reset($zthis->fields));
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$group = '';
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if ($blank1stItem && $zval=="") {
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$zthis->MoveNext();
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continue;
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}
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if ($hasvalue) {
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if ($ADODB_FETCH_MODE == ADODB_FETCH_ASSOC) {
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// Get 2nd field's value regardless of its name
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$fields = array_slice($zthis->fields, 1);
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$zval2 = current($fields);
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if ($hasgroup) {
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$group = trim(next($fields));
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}
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} else {
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// With NUM or BOTH fetch modes, we have a numeric index
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$zval2 = $zthis->fields[1];
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if ($hasgroup) {
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$group = trim($zthis->fields[2]);
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}
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}
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$zval2 = trim($zval2);
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$value = "value='".htmlspecialchars($zval2)."'";
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}
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if ($optgroup != $group) {
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$optgroup = $group;
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if ($firstgroup) {
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$firstgroup = false;
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} else {
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$s .="\n</optgroup>";
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}
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$s .="\n<optgroup label='". htmlspecialchars($group) ."'>";
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}
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/** @noinspection PhpUndefinedVariableInspection */
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$s .= _adodb_getmenu_option($defstr, $compareFields0 ? $zval : $zval2, $value, $zval);
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$zthis->MoveNext();
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} // while
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// closing last optgroup
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if($optgroup != null) {
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$s .= "\n</optgroup>";
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}
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return $s ."\n</select>\n";
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}
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/**
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* Generate the opening SELECT tag for getmenu functions.
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*
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* ADOdb internal function, used by _adodb_getmenu() and _adodb_getmenu_gp().
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*
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* @param string $name
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* @param string $defstr
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* @param bool $blank1stItem
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* @param bool $multiple
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* @param int $size
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* @param string $selectAttr
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*
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* @return string HTML
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*/
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function _adodb_getmenu_select($name, $defstr = '', $blank1stItem = true,
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$multiple = false, $size = 0, $selectAttr = '')
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{
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if ($multiple || is_array($defstr)) {
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if ($size == 0 ) {
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$size = 5;
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}
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$attr = ' multiple size="' . $size . '"';
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if (!strpos($name,'[]')) {
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$name .= '[]';
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}
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} elseif ($size) {
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$attr = ' size="' . $size . '"';
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} else {
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$attr = '';
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}
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$html = '<select name="' . $name . '"' . $attr . ' ' . $selectAttr . '>';
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if ($blank1stItem) {
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if (is_string($blank1stItem)) {
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$barr = explode(':',$blank1stItem);
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if (sizeof($barr) == 1) {
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$barr[] = '';
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}
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$html .= "\n<option value=\"" . $barr[0] . "\">" . $barr[1] . "</option>";
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} else {
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$html .= "\n<option></option>";
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}
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}
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return $html;
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}
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/**
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* Print the OPTION tags for getmenu functions.
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*
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* ADOdb internal function, used by _adodb_getmenu() and _adodb_getmenu_gp().
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*
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* @param string $defstr Default values
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* @param string $compare Value to compare against defaults
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* @param string $value Ready-to-print `value="xxx"` (or empty) string
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* @param string $display Display value
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*
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* @return string HTML
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*/
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function _adodb_getmenu_option($defstr, $compare, $value, $display)
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{
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if ( is_array($defstr) && in_array($compare, $defstr)
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|| !is_array($defstr) && strcasecmp($compare, $defstr) == 0
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) {
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$selected = ' selected="selected"';
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} else {
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$selected = '';
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}
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return "\n<option $value$selected>" . htmlspecialchars($display) . '</option>';
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}
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/*
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Count the number of records this sql statement will return by using
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query rewriting heuristics...
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Does not work with UNIONs, except with postgresql and oracle.
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Usage:
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$conn->Connect(...);
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$cnt = _adodb_getcount($conn, $sql);
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*/
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function _adodb_getcount($zthis, $sql,$inputarr=false,$secs2cache=0)
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{
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$qryRecs = 0;
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/*
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* These databases require a "SELECT * FROM (SELECT" type
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* statement to have an alias for the result
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*/
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$requiresAlias = '';
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$requiresAliasArray = array('postgres9','postgres','mysql','mysqli','mssql','mssqlnative','sqlsrv');
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if (in_array($zthis->databaseType,$requiresAliasArray)
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|| in_array($zthis->dsnType,$requiresAliasArray)
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) {
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$requiresAlias = '_ADODB_ALIAS_';
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}
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if (!empty($zthis->_nestedSQL)
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|| preg_match("/^\s*SELECT\s+DISTINCT/is", $sql)
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|| preg_match('/\s+GROUP\s+BY\s+/is',$sql)
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|| preg_match('/\s+UNION\s+/is',$sql)
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) {
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$rewritesql = adodb_strip_order_by($sql);
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// ok, has SELECT DISTINCT or GROUP BY so see if we can use a table alias
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// but this is only supported by oracle and postgresql...
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if ($zthis->dataProvider == 'oci8') {
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// Allow Oracle hints to be used for query optimization, Chris Wrye
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if (preg_match('#/\\*+.*?\\*\\/#', $sql, $hint)) {
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$rewritesql = "SELECT ".$hint[0]." COUNT(*) FROM (".$rewritesql.")";
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} else
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$rewritesql = "SELECT COUNT(*) FROM (".$rewritesql.")";
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} else {
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$rewritesql = "SELECT COUNT(*) FROM ($rewritesql) $requiresAlias";
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}
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} else {
|
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// Replace 'SELECT ... FROM' with 'SELECT COUNT(*) FROM'
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// Parse the query one char at a time starting after the SELECT
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// to find the FROM clause's position, ignoring any sub-queries.
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$start = stripos($sql, 'SELECT') + 7;
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if ($start === false) {
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// Not a SELECT statement - probably should trigger an exception here
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return 0;
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}
|
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$len = strlen($sql);
|
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$numParentheses = 0;
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for ($pos = $start; $pos < $len; $pos++) {
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switch ($sql[$pos]) {
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case '(': $numParentheses++; continue 2;
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case ')': $numParentheses--; continue 2;
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}
|
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// Ignore whatever is between parentheses (sub-queries)
|
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if ($numParentheses > 0) {
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continue;
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}
|
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// Exit loop if 'FROM' keyword was found
|
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if (strtoupper(substr($sql, $pos, 4)) == 'FROM') {
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break;
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}
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}
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$rewritesql = 'SELECT COUNT(*) ' . substr($sql, $pos);
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|
|
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// fix by alexander zhukov, alex#unipack.ru, because count(*) and 'order by' fails
|
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// with mssql, access and postgresql. Also a good speedup optimization - skips sorting!
|
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// also see PHPLens Issue No: 12752
|
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$rewritesql = adodb_strip_order_by($rewritesql);
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}
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|
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if (isset($rewritesql) && $rewritesql != $sql) {
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if (preg_match('/\sLIMIT\s+[0-9]+/i',$sql,$limitarr)) {
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$rewritesql .= $limitarr[0];
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}
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if ($secs2cache) {
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// we only use half the time of secs2cache because the count can quickly
|
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// become inaccurate if new records are added
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$qryRecs = $zthis->CacheGetOne($secs2cache/2,$rewritesql,$inputarr);
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} else {
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$qryRecs = $zthis->GetOne($rewritesql,$inputarr);
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}
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if ($qryRecs !== false) return $qryRecs;
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}
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|
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//--------------------------------------------
|
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// query rewrite failed - so try slower way...
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|
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// strip off unneeded ORDER BY if no UNION
|
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if (preg_match('/\s*UNION\s*/is', $sql)) {
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$rewritesql = $sql;
|
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} else {
|
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$rewritesql = adodb_strip_order_by($sql);
|
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}
|
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|
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if (preg_match('/\sLIMIT\s+[0-9]+/i',$sql,$limitarr)) {
|
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$rewritesql .= $limitarr[0];
|
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}
|
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|
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if ($secs2cache) {
|
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$rstest = $zthis->CacheExecute($secs2cache,$rewritesql,$inputarr);
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if (!$rstest) $rstest = $zthis->CacheExecute($secs2cache,$sql,$inputarr);
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} else {
|
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$rstest = $zthis->Execute($rewritesql,$inputarr);
|
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if (!$rstest) $rstest = $zthis->Execute($sql,$inputarr);
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}
|
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if ($rstest) {
|
|
$qryRecs = $rstest->RecordCount();
|
|
if ($qryRecs == -1) {
|
|
// some databases will return -1 on MoveLast() - change to MoveNext()
|
|
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;
|
|
$atlastpage = false;
|
|
|
|
// If an invalid nrows is supplied,
|
|
// we assume a default value of 10 rows per page
|
|
if (!isset($nrows) || $nrows <= 0) $nrows = 10;
|
|
|
|
$qryRecs = _adodb_getcount($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;
|
|
|
|
$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;
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
$case = is_bool($ADODB_QUOTE_FIELDNAMES) ? 'UPPER' : $ADODB_QUOTE_FIELDNAMES;
|
|
switch ($case) {
|
|
case 'LOWER':
|
|
$fieldName = strtolower($fieldName);
|
|
break;
|
|
case 'NATIVE':
|
|
// Do nothing
|
|
break;
|
|
case 'UPPER':
|
|
case 'BRACKETS':
|
|
default:
|
|
$fieldName = strtoupper($fieldName);
|
|
break;
|
|
}
|
|
|
|
// Quote field if requested, or necessary (field contains space)
|
|
if ($ADODB_QUOTE_FIELDNAMES || strpos($fieldName, ' ') !== false ) {
|
|
if ($ADODB_QUOTE_FIELDNAMES === 'BRACKETS') {
|
|
return $zthis->leftBracket . $fieldName . $zthis->rightBracket;
|
|
} else {
|
|
return $zthis->nameQuote . $fieldName . $zthis->nameQuote;
|
|
}
|
|
} else {
|
|
return $fieldName;
|
|
}
|
|
}
|
|
|
|
function _adodb_getupdatesql(&$zthis, $rs, $arrFields, $forceUpdate=false, $force=2)
|
|
{
|
|
if (!$rs) {
|
|
printf(ADODB_BAD_RS,'GetUpdateSQL');
|
|
return false;
|
|
}
|
|
|
|
$fieldUpdatedCount = 0;
|
|
if (is_array($arrFields))
|
|
$arrFields = array_change_key_case($arrFields,CASE_UPPER);
|
|
|
|
$hasnumeric = isset($rs->fields[0]);
|
|
$setFields = '';
|
|
|
|
// Loop through all of the fields in the recordset
|
|
for ($i=0, $max=$rs->fieldCount(); $i < $max; $i++) {
|
|
// Get the field from the recordset
|
|
$field = $rs->fetchField($i);
|
|
|
|
// If the recordset field is one
|
|
// of the fields passed in then process.
|
|
$upperfname = strtoupper($field->name);
|
|
if (adodb_key_exists($upperfname, $arrFields, $force)) {
|
|
|
|
// If the existing field value in the recordset
|
|
// is different from the value passed in then
|
|
// go ahead and append the field name and new value to
|
|
// the update query.
|
|
|
|
if ($hasnumeric) $val = $rs->fields[$i];
|
|
else if (isset($rs->fields[$upperfname])) $val = $rs->fields[$upperfname];
|
|
else if (isset($rs->fields[$field->name])) $val = $rs->fields[$field->name];
|
|
else if (isset($rs->fields[strtolower($upperfname)])) $val = $rs->fields[strtolower($upperfname)];
|
|
else $val = '';
|
|
|
|
if ($forceUpdate || $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);
|
|
|
|
if ($type == 'null') {
|
|
$type = 'C';
|
|
}
|
|
|
|
$fnameq = _adodb_quote_fieldname($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 already handled in "adodb_key_exists" function.
|
|
// break;
|
|
|
|
case 1:
|
|
// set null
|
|
$setFields .= $fnameq . " = null, ";
|
|
break;
|
|
|
|
case 2:
|
|
// set empty
|
|
$arrFields[$upperfname] = "";
|
|
$setFields .= _adodb_column_sql($zthis, 'U', $type, $upperfname, $fnameq, $arrFields);
|
|
break;
|
|
|
|
default:
|
|
case 3:
|
|
// set the value that was given in array, so you can give both null and empty values
|
|
if (is_null($arrFields[$upperfname]) || $arrFields[$upperfname] === $zthis->null2null) {
|
|
$setFields .= $fnameq . " = null, ";
|
|
} else {
|
|
$setFields .= _adodb_column_sql($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, $arrFields);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If there were any modified fields then build the rest of the update query.
|
|
if ($fieldUpdatedCount > 0 || $forceUpdate) {
|
|
// Get the table name from the existing query.
|
|
if (!empty($rs->tableName)) {
|
|
$tableName = $rs->tableName;
|
|
} else {
|
|
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.
|
|
preg_match('/\sWHERE\s(.*)/is', $rs->sql, $whereClause);
|
|
|
|
$discard = false;
|
|
// not a good hack, improvements?
|
|
if ($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 {
|
|
$whereClause = array(false, false);
|
|
}
|
|
|
|
if ($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) {
|
|
$sql .= ' WHERE '.$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[$key]))
|
|
return true;
|
|
## null check below
|
|
return array_key_exists($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, $force=2)
|
|
{
|
|
static $cacheRS = false;
|
|
static $cacheSig = 0;
|
|
static $cacheCols;
|
|
|
|
$tableName = '';
|
|
$values = '';
|
|
$fields = '';
|
|
if (is_array($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(ADORecordSet::DUMMY_QUERY_ID, $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 {
|
|
$columns = [];
|
|
for ($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;
|
|
$fnameq = _adodb_quote_fieldname($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 ADODB_FORCE_IGNORE: // we must always set null if missing
|
|
$bad = true;
|
|
break;
|
|
|
|
case ADODB_FORCE_NULL:
|
|
$values .= "null, ";
|
|
break;
|
|
|
|
case ADODB_FORCE_EMPTY:
|
|
//Set empty
|
|
$arrFields[$upperfname] = "";
|
|
$values .= _adodb_column_sql($zthis, 'I', $type, $upperfname, $fnameq, $arrFields);
|
|
break;
|
|
|
|
default:
|
|
case ADODB_FORCE_VALUE:
|
|
//Set the value that was given in array, so you can give both null and empty values
|
|
if (is_null($arrFields[$upperfname]) || $arrFields[$upperfname] === $zthis->null2null) {
|
|
$values .= "null, ";
|
|
} else {
|
|
$values .= _adodb_column_sql($zthis, 'I', $type, $upperfname, $fnameq, $arrFields);
|
|
}
|
|
break;
|
|
|
|
case ADODB_FORCE_NULL_AND_ZERO:
|
|
switch ($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, $arrFields);
|
|
}
|
|
|
|
if ($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, $arrFields)
|
|
{
|
|
// Based on the datatype of the field
|
|
// Format the value properly for the database
|
|
switch ($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, $arrFields, false);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case "X":
|
|
//we need to do some more magic here for long variables
|
|
//to handle these correctly in oracle.
|
|
|
|
//create a safe bind var name
|
|
//to avoid conflicts w/ dupes.
|
|
if (!empty($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, false);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
$sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, false);
|
|
break;
|
|
}
|
|
|
|
return $sql;
|
|
}
|
|
|
|
function _adodb_column_sql(&$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, $arrFields);
|
|
|
|
}
|
|
}
|
|
|
|
switch($type) {
|
|
case "C":
|
|
case "X":
|
|
case 'B':
|
|
$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
|
|
{
|
|
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)." $ss\n<br>\n",false);
|
|
else if ($zthis->debug !== -99)
|
|
ADOConnection::outp( "<hr>\n($dbt): ".htmlspecialchars($sqlTxt)." $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)." $ss\n<hr>\n",false);
|
|
|
|
ADOConnection::outp($err.': '.$emsg);
|
|
}
|
|
}
|
|
} else if (!$qID) {
|
|
|
|
if ($zthis->debug === -99)
|
|
if ($inBrowser) ADOConnection::outp( "<hr>\n($dbt): ".htmlspecialchars($sqlTxt)." $ss\n<hr>\n",false);
|
|
else ADOConnection::outp("-----<hr>\n($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();
|
|
$s .= str_repeat($html ? ' ' : "\t", $tabs >= 0 ? $tabs : 0 );
|
|
$tabs -= 1;
|
|
if ($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;
|
|
}
|