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See Release Notes

  • Bug fixes for general core bugs in 4.2.x will end 22 April 2024 (12 months).
  • Bug fixes for security issues in 4.2.x will end 7 October 2024 (18 months).
  • PHP version: minimum PHP 8.0.0 Note: minimum PHP version has increased since Moodle 4.1. PHP 8.1.x is supported too.
<?php
/**
 * Active Record implementation. Superset of Zend Framework's.
 *
 * This file is part of ADOdb, a Database Abstraction Layer library for PHP.
 *
 * @package ADOdb
 * @link https://adodb.org Project's web site and documentation
 * @link https://github.com/ADOdb/ADOdb Source code and issue tracker
 *
 * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
 * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
 * any later version. This means you can use it in proprietary products.
 * See the LICENSE.md file distributed with this source code for details.
 * @license BSD-3-Clause
 * @license LGPL-2.1-or-later
 *
 * @copyright 2000-2013 John Lim
 * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
 */

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

global $_ADODB_ACTIVE_DBS;
global $ADODB_ACTIVE_CACHESECS; // set to true to enable caching of metadata such as field info
global $ACTIVE_RECORD_SAFETY; // set to false to disable safety checks
global $ADODB_ACTIVE_DEFVALS; // use default values of table definition when creating new active record.

// array of ADODB_Active_DB's, indexed by ADODB_Active_Record->_dbat
$_ADODB_ACTIVE_DBS = array();
$ACTIVE_RECORD_SAFETY = true;
$ADODB_ACTIVE_DEFVALS = false;
$ADODB_ACTIVE_CACHESECS = 0;

class ADODB_Active_DB {
	var $db; // ADOConnection
	var $tables; // assoc array of ADODB_Active_Table objects, indexed by tablename
}

class ADODB_Active_Table {
	var $name; // table name
	var $flds; // assoc array of adofieldobjs, indexed by fieldname
	var $keys; // assoc array of primary keys, indexed by fieldname
	var $_created; // only used when stored as a cached file
	var $_belongsTo = array();
	var $_hasMany = array();
}

// $db = database connection
// $index = name of index - can be associative, for an example see
//    PHPLens Issue No: 17790
// returns index into $_ADODB_ACTIVE_DBS
function ADODB_SetDatabaseAdapter(&$db, $index=false)
{
	global $_ADODB_ACTIVE_DBS;

	foreach($_ADODB_ACTIVE_DBS as $k => $d) {
		if($d->db === $db) {
			return $k;
		}
	}

	$obj = new ADODB_Active_DB();
	$obj->db = $db;
	$obj->tables = array();

	if ($index == false) {
		$index = sizeof($_ADODB_ACTIVE_DBS);
	}

	$_ADODB_ACTIVE_DBS[$index] = $obj;

	return sizeof($_ADODB_ACTIVE_DBS)-1;
}


class ADODB_Active_Record {
	static $_changeNames = true; // dynamically pluralize table names

	/** @var bool|string Allows override of global $ADODB_QUOTE_FIELDNAMES */
	public $_quoteNames;

	static $_foreignSuffix = '_id'; //
	var $_dbat; // associative index pointing to ADODB_Active_DB eg. $ADODB_Active_DBS[_dbat]
	var $_table; // tablename, if set in class definition then use it as table name
	var $_tableat; // associative index pointing to ADODB_Active_Table, eg $ADODB_Active_DBS[_dbat]->tables[$this->_tableat]
	var $_where; // where clause set in Load()
	var $_saved = false; // indicates whether data is already inserted.
	var $_lasterr = false; // last error message
	var $_original = false; // the original values loaded or inserted, refreshed on update

	var $foreignName; // CFR: class name when in a relationship

	var $lockMode = ' for update '; // you might want to change to

	static function UseDefaultValues($bool=null)
	{
	global $ADODB_ACTIVE_DEFVALS;
		if (isset($bool)) {
			$ADODB_ACTIVE_DEFVALS = $bool;
		}
		return $ADODB_ACTIVE_DEFVALS;
	}

	// should be static
	static function SetDatabaseAdapter(&$db, $index=false)
	{
		return ADODB_SetDatabaseAdapter($db, $index);
	}


	public function __set($name, $value)
	{
		$name = str_replace(' ', '_', $name);
		$this->$name = $value;
	}

	// php5 constructor
	function __construct($table = false, $pkeyarr=false, $db=false)
	{
		global $_ADODB_ACTIVE_DBS, $ADODB_QUOTE_FIELDNAMES;

		// Set the local override for field quoting, only if not defined yet
		if (!isset($this->_quoteNames)) {
			$this->_quoteNames = $ADODB_QUOTE_FIELDNAMES;
		}

		if ($db == false && is_object($pkeyarr)) {
			$db = $pkeyarr;
			$pkeyarr = false;
		}

		if (!$table) {
			if (!empty($this->_table)) {
				$table = $this->_table;
			}
			else $table = $this->_pluralize(get_class($this));
		}
		$this->foreignName = strtolower(get_class($this)); // CFR: default foreign name
		if ($db) {
			$this->_dbat = ADODB_Active_Record::SetDatabaseAdapter($db);
		} else if (!isset($this->_dbat)) {
			if (sizeof($_ADODB_ACTIVE_DBS) == 0) {
				$this->Error(
					"No database connection set; use ADOdb_Active_Record::SetDatabaseAdapter(\$db)",
					'ADODB_Active_Record::__constructor'
				);
			}
			end($_ADODB_ACTIVE_DBS);
			$this->_dbat = key($_ADODB_ACTIVE_DBS);
		}

		$this->_table = $table;
		$this->_tableat = $table; # reserved for setting the assoc value to a non-table name, eg. the sql string in future

		$this->UpdateActiveTable($pkeyarr);
	}

	function __wakeup()
	{
  		$class = get_class($this);
  		new $class;
	}

	function _pluralize($table)
	{
		if (!ADODB_Active_Record::$_changeNames) {
			return $table;
		}

		$ut = strtoupper($table);
		$len = strlen($table);
		$lastc = $ut[$len-1];
		$lastc2 = substr($ut,$len-2);
		switch ($lastc) {
		case 'S':
			return $table.'es';
		case 'Y':
			return substr($table,0,$len-1).'ies';
		case 'X':
			return $table.'es';
		case 'H':
			if ($lastc2 == 'CH' || $lastc2 == 'SH') {
				return $table.'es';
			}
		default:
			return $table.'s';
		}
	}

	// CFR Lamest singular inflector ever - @todo Make it real!
	// Note: There is an assumption here...and it is that the argument's length >= 4
	function _singularize($tables)
	{

		if (!ADODB_Active_Record::$_changeNames) {
			return $table;
		}

		$ut = strtoupper($tables);
		$len = strlen($tables);
		if($ut[$len-1] != 'S') {
			return $tables; // I know...forget oxen
		}
		if($ut[$len-2] != 'E') {
			return substr($tables, 0, $len-1);
		}
		switch($ut[$len-3]) {
			case 'S':
			case 'X':
				return substr($tables, 0, $len-2);
			case 'I':
				return substr($tables, 0, $len-3) . 'y';
			case 'H';
				if($ut[$len-4] == 'C' || $ut[$len-4] == 'S') {
					return substr($tables, 0, $len-2);
				}
			default:
				return substr($tables, 0, $len-1); // ?
		}
	}

	function hasMany($foreignRef, $foreignKey = false, $foreignClass = 'ADODB_Active_Record')
	{
		$ar = new $foreignClass($foreignRef);
		$ar->foreignName = $foreignRef;
		$ar->UpdateActiveTable();
		$ar->foreignKey = ($foreignKey) ? $foreignKey : $foreignRef.ADODB_Active_Record::$_foreignSuffix;
		$table =& $this->TableInfo();
		$table->_hasMany[$foreignRef] = $ar;
	#	$this->$foreignRef = $this->_hasMany[$foreignRef]; // WATCHME Removed assignment by ref. to please __get()
	}

	// use when you don't want ADOdb to auto-pluralize tablename
	static function TableHasMany($table, $foreignRef, $foreignKey = false, $foreignClass = 'ADODB_Active_Record')
	{
		$ar = new ADODB_Active_Record($table);
		$ar->hasMany($foreignRef, $foreignKey, $foreignClass);
	}

	// use when you don't want ADOdb to auto-pluralize tablename
	static function TableKeyHasMany($table, $tablePKey, $foreignRef, $foreignKey = false, $foreignClass = 'ADODB_Active_Record')
	{
		if (!is_array($tablePKey)) {
			$tablePKey = array($tablePKey);
		}
		$ar = new ADODB_Active_Record($table,$tablePKey);
		$ar->hasMany($foreignRef, $foreignKey, $foreignClass);
	}


	// use when you want ADOdb to auto-pluralize tablename for you. Note that the class must already be defined.
	// e.g. class Person will generate relationship for table Persons
	static function ClassHasMany($parentclass, $foreignRef, $foreignKey = false, $foreignClass = 'ADODB_Active_Record')
	{
		$ar = new $parentclass();
		$ar->hasMany($foreignRef, $foreignKey, $foreignClass);
	}


	function belongsTo($foreignRef,$foreignKey=false, $parentKey='', $parentClass = 'ADODB_Active_Record')
	{
		global $inflector;

		$ar = new $parentClass($this->_pluralize($foreignRef));
		$ar->foreignName = $foreignRef;
		$ar->parentKey = $parentKey;
		$ar->UpdateActiveTable();
		$ar->foreignKey = ($foreignKey) ? $foreignKey : $foreignRef.ADODB_Active_Record::$_foreignSuffix;

		$table =& $this->TableInfo();
		$table->_belongsTo[$foreignRef] = $ar;
	#	$this->$foreignRef = $this->_belongsTo[$foreignRef];
	}

	static function ClassBelongsTo($class, $foreignRef, $foreignKey=false, $parentKey='', $parentClass = 'ADODB_Active_Record')
	{
		$ar = new $class();
		$ar->belongsTo($foreignRef, $foreignKey, $parentKey, $parentClass);
	}

	static function TableBelongsTo($table, $foreignRef, $foreignKey=false, $parentKey='', $parentClass = 'ADODB_Active_Record')
	{
< $ar = new ADOdb_Active_Record($table);
> $ar = new ADODB_Active_Record($table);
$ar->belongsTo($foreignRef, $foreignKey, $parentKey, $parentClass); } static function TableKeyBelongsTo($table, $tablePKey, $foreignRef, $foreignKey=false, $parentKey='', $parentClass = 'ADODB_Active_Record') { if (!is_array($tablePKey)) { $tablePKey = array($tablePKey); }
< $ar = new ADOdb_Active_Record($table, $tablePKey);
> $ar = new ADODB_Active_Record($table, $tablePKey);
$ar->belongsTo($foreignRef, $foreignKey, $parentKey, $parentClass); } /** * __get Access properties - used for lazy loading * * @param mixed $name * @access protected * @return mixed */ function __get($name) { return $this->LoadRelations($name, '', -1, -1); } /** * @param string $name * @param string $whereOrderBy : eg. ' AND field1 = value ORDER BY field2' * @param offset * @param limit * @return mixed */ function LoadRelations($name, $whereOrderBy='', $offset=-1,$limit=-1) { $extras = array(); $table = $this->TableInfo(); if ($limit >= 0) { $extras['limit'] = $limit; } if ($offset >= 0) { $extras['offset'] = $offset; } if (strlen($whereOrderBy)) { if (!preg_match('/^[ \n\r]*AND/i', $whereOrderBy)) { if (!preg_match('/^[ \n\r]*ORDER[ \n\r]/i', $whereOrderBy)) { $whereOrderBy = 'AND ' . $whereOrderBy; } } } if(!empty($table->_belongsTo[$name])) { $obj = $table->_belongsTo[$name]; $columnName = $obj->foreignKey; if(empty($this->$columnName)) { $this->$name = null; } else { if ($obj->parentKey) { $key = $obj->parentKey; } else { $key = reset($table->keys); } $arrayOfOne = $obj->Find($key.'='.$this->$columnName.' '.$whereOrderBy,false,false,$extras); if ($arrayOfOne) { $this->$name = $arrayOfOne[0]; return $arrayOfOne[0]; } } } if(!empty($table->_hasMany[$name])) { $obj = $table->_hasMany[$name]; $key = reset($table->keys); $id = @$this->$key; if (!is_numeric($id)) { $db = $this->DB(); $id = $db->qstr($id); } $objs = $obj->Find($obj->foreignKey.'='.$id. ' '.$whereOrderBy,false,false,$extras); if (!$objs) { $objs = array(); } $this->$name = $objs; return $objs; } return array(); } ////////////////////////////////// // update metadata function UpdateActiveTable($pkeys=false,$forceUpdate=false) { global $_ADODB_ACTIVE_DBS , $ADODB_CACHE_DIR, $ADODB_ACTIVE_CACHESECS; global $ADODB_ACTIVE_DEFVALS,$ADODB_FETCH_MODE; $activedb = $_ADODB_ACTIVE_DBS[$this->_dbat]; $table = $this->_table; $tables = $activedb->tables; $tableat = $this->_tableat; if (!$forceUpdate && !empty($tables[$tableat])) { $acttab = $tables[$tableat]; foreach($acttab->flds as $name => $fld) { if ($ADODB_ACTIVE_DEFVALS && isset($fld->default_value)) { $this->$name = $fld->default_value; } else { $this->$name = null; } } return; } $db = $activedb->db; $fname = $ADODB_CACHE_DIR . '/adodb_' . $db->databaseType . '_active_'. $table . '.cache'; if (!$forceUpdate && $ADODB_ACTIVE_CACHESECS && $ADODB_CACHE_DIR && file_exists($fname)) { $fp = fopen($fname,'r'); @flock($fp, LOCK_SH); $acttab = unserialize(fread($fp,100000)); fclose($fp); if ($acttab->_created + $ADODB_ACTIVE_CACHESECS - (abs(rand()) % 16) > time()) { // abs(rand()) randomizes deletion, reducing contention to delete/refresh file // ideally, you should cache at least 32 secs foreach($acttab->flds as $name => $fld) { if ($ADODB_ACTIVE_DEFVALS && isset($fld->default_value)) { $this->$name = $fld->default_value; } else { $this->$name = null; } } $activedb->tables[$table] = $acttab; //if ($db->debug) ADOConnection::outp("Reading cached active record file: $fname"); return; } else if ($db->debug) { ADOConnection::outp("Refreshing cached active record file: $fname"); } } $activetab = new ADODB_Active_Table(); $activetab->name = $table; $save = $ADODB_FETCH_MODE; $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC; if ($db->fetchMode !== false) { $savem = $db->SetFetchMode(false); } $cols = $db->MetaColumns($table); if (isset($savem)) { $db->SetFetchMode($savem); } $ADODB_FETCH_MODE = $save; if (!$cols) { $this->Error("Invalid table name: $table",'UpdateActiveTable'); return false; } $fld = reset($cols); if (!$pkeys) { if (isset($fld->primary_key)) { $pkeys = array(); foreach($cols as $name => $fld) { if (!empty($fld->primary_key)) { $pkeys[] = $name; } } } else $pkeys = $this->GetPrimaryKeys($db, $table); } if (empty($pkeys)) { $this->Error("No primary key found for table $table",'UpdateActiveTable'); return false; } $attr = array(); $keys = array(); switch (ADODB_ASSOC_CASE) { case ADODB_ASSOC_CASE_LOWER: foreach($cols as $name => $fldobj) { $name = strtolower($name); if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) { $this->$name = $fldobj->default_value; } else { $this->$name = null; } $attr[$name] = $fldobj; } foreach($pkeys as $k => $name) { $keys[strtolower($name)] = strtolower($name); } break; case ADODB_ASSOC_CASE_UPPER: foreach($cols as $name => $fldobj) { $name = strtoupper($name); if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) { $this->$name = $fldobj->default_value; } else { $this->$name = null; } $attr[$name] = $fldobj; } foreach($pkeys as $k => $name) { $keys[strtoupper($name)] = strtoupper($name); } break; default:
< foreach($cols as $name => $fldobj) {
> foreach($cols as $fldobj) { > $name = $fldobj->name;
if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) { $this->$name = $fldobj->default_value; } else { $this->$name = null; } $attr[$name] = $fldobj; } foreach($pkeys as $k => $name) { $keys[$name] = $cols[strtoupper($name)]->name; } break; } $activetab->keys = $keys; $activetab->flds = $attr; if ($ADODB_ACTIVE_CACHESECS && $ADODB_CACHE_DIR) { $activetab->_created = time(); $s = serialize($activetab); if (!function_exists('adodb_write_file')) { include_once(ADODB_DIR.'/adodb-csvlib.inc.php'); } adodb_write_file($fname,$s); } if (isset($activedb->tables[$table])) { $oldtab = $activedb->tables[$table]; if ($oldtab) { $activetab->_belongsTo = $oldtab->_belongsTo; $activetab->_hasMany = $oldtab->_hasMany; } } $activedb->tables[$table] = $activetab; } function GetPrimaryKeys(&$db, $table) { return $db->MetaPrimaryKeys($table); } // error handler for both PHP4+5. function Error($err,$fn) { global $_ADODB_ACTIVE_DBS; $fn = get_class($this).'::'.$fn; $this->_lasterr = $fn.': '.$err; if ($this->_dbat < 0) { $db = false; } else { $activedb = $_ADODB_ACTIVE_DBS[$this->_dbat]; $db = $activedb->db; } if (function_exists('adodb_throw')) { if (!$db) { adodb_throw('ADOdb_Active_Record', $fn, -1, $err, 0, 0, false); } else { adodb_throw($db->databaseType, $fn, -1, $err, 0, 0, $db); } } else { if (!$db || $db->debug) { ADOConnection::outp($this->_lasterr); } } } // return last error message function ErrorMsg() { if (!function_exists('adodb_throw')) { if ($this->_dbat < 0) { $db = false; } else { $db = $this->DB(); } // last error could be database error too if ($db && $db->ErrorMsg()) { return $db->ErrorMsg(); } } return $this->_lasterr; } function ErrorNo() { if ($this->_dbat < 0) { return -9999; // no database connection... } $db = $this->DB(); return (int) $db->ErrorNo(); } // retrieve ADOConnection from _ADODB_Active_DBs function DB() { global $_ADODB_ACTIVE_DBS; if ($this->_dbat < 0) { $false = false; $this->Error("No database connection set: use ADOdb_Active_Record::SetDatabaseAdaptor(\$db)", "DB"); return $false; } $activedb = $_ADODB_ACTIVE_DBS[$this->_dbat]; $db = $activedb->db; return $db; } // retrieve ADODB_Active_Table function &TableInfo() { global $_ADODB_ACTIVE_DBS; $activedb = $_ADODB_ACTIVE_DBS[$this->_dbat]; $table = $activedb->tables[$this->_tableat]; return $table; } // I have an ON INSERT trigger on a table that sets other columns in the table. // So, I find that for myTable, I want to reload an active record after saving it. -- Malcolm Cook function Reload() { $db = $this->DB(); if (!$db) { return false; } $table = $this->TableInfo(); $where = $this->GenWhere($db, $table); return($this->Load($where)); } // set a numeric array (using natural table field ordering) as object properties function Set(&$row) { global $ACTIVE_RECORD_SAFETY; $db = $this->DB(); if (!$row) { $this->_saved = false; return false; } $this->_saved = true; $table = $this->TableInfo(); if ($ACTIVE_RECORD_SAFETY && sizeof($table->flds) != sizeof($row)) { # <AP> $bad_size = TRUE; if (sizeof($row) == 2 * sizeof($table->flds)) { // Only keep string keys $keys = array_filter(array_keys($row), 'is_string'); if (sizeof($keys) == sizeof($table->flds)) { $bad_size = FALSE; } } if ($bad_size) { $this->Error("Table structure of $this->_table has changed","Load"); return false; } # </AP> } else $keys = array_keys($row); # <AP> reset($keys); $this->_original = array(); foreach($table->flds as $name=>$fld) { $value = $row[current($keys)]; $this->$name = $value; $this->_original[] = $value; next($keys); } # </AP> return true; } // get last inserted id for INSERT function LastInsertID(&$db,$fieldname) { if ($db->hasInsertID) { $val = $db->Insert_ID($this->_table,$fieldname); } else { $val = false; } if (is_null($val) || $val === false) { $SQL = sprintf("SELECT MAX(%s) FROM %s", $this->nameQuoter($db,$fieldname), $this->nameQuoter($db,$this->_table) ); // this might not work reliably in multi-user environment return $db->GetOne($SQL); } return $val; } // quote data in where clause function doquote(&$db, $val,$t) { switch($t) { case 'L': if (strpos($db->databaseType,'postgres') !== false) { return $db->qstr($val); } case 'D': case 'T': if (empty($val)) { return 'null'; } case 'B': case 'N': case 'C': case 'X': if (is_null($val)) { return 'null'; } if (strlen($val)>0 && (strncmp($val,"'",1) != 0 || substr($val,strlen($val)-1,1) != "'") ) { return $db->qstr($val); break; } default: return $val; break; } } // generate where clause for an UPDATE/SELECT function GenWhere(&$db, &$table) { $keys = $table->keys; $parr = array(); foreach($keys as $k) { $f = $table->flds[$k]; if ($f) { $columnName = $this->nameQuoter($db,$k); $parr[] = $columnName.' = '.$this->doquote($db,$this->$k,$db->MetaType($f->type)); } } return implode(' AND ', $parr); } function _QName($n,$db=false) { if (!ADODB_Active_Record::$_quoteNames) { return $n; } if (!$db) { $db = $this->DB(); if (!$db) { return false; } } return $db->nameQuote.$n.$db->nameQuote; } //------------------------------------------------------------ Public functions below function Load($where=null,$bindarr=false, $lock = false) { global $ADODB_FETCH_MODE; $db = $this->DB(); if (!$db) { return false; } $this->_where = $where; $save = $ADODB_FETCH_MODE; $ADODB_FETCH_MODE = ADODB_FETCH_NUM; if ($db->fetchMode !== false) { $savem = $db->SetFetchMode(false); } $qry = sprintf("SELECT * FROM %s", $this->nameQuoter($db,$this->_table) ); if($where) { $qry .= ' WHERE '.$where; } if ($lock) { $qry .= $this->lockMode; } $row = $db->GetRow($qry,$bindarr); if (isset($savem)) { $db->SetFetchMode($savem); } $ADODB_FETCH_MODE = $save; return $this->Set($row); } function LoadLocked($where=null, $bindarr=false) { $this->Load($where,$bindarr,true); } # useful for multiple record inserts # see PHPLens Issue No: 17795 function Reset() { $this->_where=null; $this->_saved = false; $this->_lasterr = false; $this->_original = false; $vars=get_object_vars($this); foreach($vars as $k=>$v){ if(substr($k,0,1)!=='_'){ $this->{$k}=null; } } $this->foreignName=strtolower(get_class($this)); return true; } // false on error function Save() { if ($this->_saved) { $ok = $this->Update(); } else { $ok = $this->Insert(); } return $ok; } // false on error function Insert() { $db = $this->DB(); if (!$db) { return false; } $cnt = 0; $table = $this->TableInfo(); $valarr = array(); $names = array(); $valstr = array(); foreach($table->flds as $name=>$fld) { $val = $this->$name; if(!is_array($val) || !is_null($val) || !array_key_exists($name, $table->keys)) { $valarr[] = $val; $names[] = $this->nameQuoter($db,$name); $valstr[] = $db->Param($cnt); $cnt += 1; } } if (empty($names)){ foreach($table->flds as $name=>$fld) { $valarr[] = null; $names[] = $this->nameQuoter($db,$name); $valstr[] = $db->Param($cnt); $cnt += 1; } } $tableName = $this->nameQuoter($db,$this->_table); $sql = sprintf('INSERT INTO %s (%s) VALUES (%s)', $tableName, implode(',',$names), implode(',',$valstr) ); $ok = $db->Execute($sql,$valarr); if ($ok) { $this->_saved = true; $autoinc = false; foreach($table->keys as $k) { if (is_null($this->$k)) { $autoinc = true; break; } } if ($autoinc && sizeof($table->keys) == 1) { $k = reset($table->keys); $this->$k = $this->LastInsertID($db,$k); } } $this->_original = $valarr; return !empty($ok); } function Delete() { $db = $this->DB(); if (!$db) { return false; } $table = $this->TableInfo(); $where = $this->GenWhere($db,$table); $tableName = $this->nameQuoter($db,$this->_table); $sql = sprintf('DELETE FROM %s WHERE %s', $tableName, $where ); $ok = $db->Execute($sql); return $ok ? true : false; } // returns an array of active record objects function Find($whereOrderBy,$bindarr=false,$pkeysArr=false,$extra=array()) { $db = $this->DB(); if (!$db || empty($this->_table)) { return false; } $arr = $db->GetActiveRecordsClass(get_class($this),$this->_table, $whereOrderBy,$bindarr,$pkeysArr,$extra); return $arr; } // returns 0 on error, 1 on update, 2 on insert function Replace() { $db = $this->DB(); if (!$db) { return false; } $table = $this->TableInfo(); $pkey = $table->keys; foreach($table->flds as $name=>$fld) { $val = $this->$name; /* if (is_null($val)) { if (isset($fld->not_null) && $fld->not_null) { if (isset($fld->default_value) && strlen($fld->default_value)) { continue; } else { $this->Error("Cannot update null into $name","Replace"); return false; } } }*/ if (is_null($val) && !empty($fld->auto_increment)) { continue; } if (is_array($val)) { continue; } $t = $db->MetaType($fld->type); $arr[$name] = $this->doquote($db,$val,$t); $valarr[] = $val; } if (!is_array($pkey)) { $pkey = array($pkey); } switch (ADODB_ASSOC_CASE) { case ADODB_ASSOC_CASE_LOWER: foreach ($pkey as $k => $v) { $pkey[$k] = strtolower($v); } break; case ADODB_ASSOC_CASE_UPPER: foreach ($pkey as $k => $v) { $pkey[$k] = strtoupper($v); } break; } $newArr = array(); foreach($arr as $k=>$v) $newArr[$this->nameQuoter($db,$k)] = $v; $arr = $newArr; $newPkey = array(); foreach($pkey as $k=>$v) $newPkey[$k] = $this->nameQuoter($db,$v); $pkey = $newPkey; $tableName = $this->nameQuoter($db,$this->_table); $ok = $db->Replace($tableName,$arr,$pkey); if ($ok) { $this->_saved = true; // 1= update 2=insert if ($ok == 2) { $autoinc = false; foreach($table->keys as $k) { if (is_null($this->$k)) { $autoinc = true; break; } } if ($autoinc && sizeof($table->keys) == 1) { $k = reset($table->keys); $this->$k = $this->LastInsertID($db,$k); } } $this->_original = $valarr; } return $ok; } // returns 0 on error, 1 on update, -1 if no change in data (no update) function Update() { $db = $this->DB(); if (!$db) { return false; } $table = $this->TableInfo(); $where = $this->GenWhere($db, $table); if (!$where) { $this->error("Where missing for table $table", "Update"); return false; } $valarr = array(); $neworig = array(); $pairs = array(); $i = -1; $cnt = 0; foreach($table->flds as $name=>$fld) { $i += 1; $val = $this->$name; $neworig[] = $val; if (isset($table->keys[$name]) || is_array($val)) { continue; } if (is_null($val)) { if (isset($fld->not_null) && $fld->not_null) { if (isset($fld->default_value) && strlen($fld->default_value)) { continue; } else { $this->Error("Cannot set field $name to NULL","Update"); return false; } } } if (isset($this->_original[$i]) && strcmp($val,$this->_original[$i]) == 0) { continue; } if (is_null($this->_original[$i]) && is_null($val)) { continue; } $valarr[] = $val; $pairs[] = $this->nameQuoter($db,$name).'='.$db->Param($cnt); $cnt += 1; } if (!$cnt) { return -1; } $tableName = $this->nameQuoter($db,$this->_table); $sql = sprintf('UPDATE %s SET %s WHERE %s', $tableName, implode(',',$pairs), $where); $ok = $db->Execute($sql,$valarr); if ($ok) { $this->_original = $neworig; return 1; } return 0; } function GetAttributeNames() { $table = $this->TableInfo(); if (!$table) { return false; } return array_keys($table->flds); } /** * Quotes the table, column and field names. * * This honours the internal {@see $_quoteNames} property, which overrides * the global $ADODB_QUOTE_FIELDNAMES directive. * * @param ADOConnection $db The database connection * @param string $name The table or column name to quote * * @return string The quoted name */ private function nameQuoter($db, $name) { global $ADODB_QUOTE_FIELDNAMES; $save = $ADODB_QUOTE_FIELDNAMES; $ADODB_QUOTE_FIELDNAMES = $this->_quoteNames; $string = _adodb_quote_fieldname($db, $name); $ADODB_QUOTE_FIELDNAMES = $save; return $string; } }; function adodb_GetActiveRecordsClass(&$db, $class, $table,$whereOrderBy,$bindarr, $primkeyArr, $extra) { global $_ADODB_ACTIVE_DBS; $save = $db->SetFetchMode(ADODB_FETCH_NUM); $qry = "select * from ".$table; if (!empty($whereOrderBy)) { $qry .= ' WHERE '.$whereOrderBy; } if(isset($extra['limit'])) { $rows = false; if(isset($extra['offset'])) { $rs = $db->SelectLimit($qry, $extra['limit'], $extra['offset'],$bindarr); } else { $rs = $db->SelectLimit($qry, $extra['limit'],-1,$bindarr); } if ($rs) { while (!$rs->EOF) { $rows[] = $rs->fields; $rs->MoveNext(); } } } else $rows = $db->GetAll($qry,$bindarr); $db->SetFetchMode($save); $false = false; if ($rows === false) { return $false; } if (!class_exists($class)) { $db->outp_throw("Unknown class $class in GetActiveRecordsClass()",'GetActiveRecordsClass'); return $false; } $arr = array(); // arrRef will be the structure that knows about our objects. // It is an associative array. // We will, however, return arr, preserving regular 0.. order so that // obj[0] can be used by app developers. $arrRef = array(); $bTos = array(); // Will store belongTo's indices if any foreach($rows as $row) { $obj = new $class($table,$primkeyArr,$db); if ($obj->ErrorNo()){ $db->_errorMsg = $obj->ErrorMsg(); return $false; } $obj->Set($row); $arr[] = $obj; } // foreach($rows as $row) return $arr; }