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adodb-active-record.inc.php
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adodb-active-record.inc.php
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<?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);
$ar->belongsTo($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);
$ar->belongsTo($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 $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) {