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Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401]

   1  <?php
   2  /**
   3   * Active Record implementation. Superset of Zend Framework's.
   4   *
   5   * This is "Active Record eXtended" to support JOIN, WORK and LAZY mode
   6   *
   7   * This file is part of ADOdb, a Database Abstraction Layer library for PHP.
   8   *
   9   * @package ADOdb
  10   * @link https://adodb.org Project's web site and documentation
  11   * @link https://github.com/ADOdb/ADOdb Source code and issue tracker
  12   *
  13   * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
  14   * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
  15   * any later version. This means you can use it in proprietary products.
  16   * See the LICENSE.md file distributed with this source code for details.
  17   * @license BSD-3-Clause
  18   * @license LGPL-2.1-or-later
  19   *
  20   * @copyright 2000-2013 John Lim
  21   * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
  22   */
  23  
  24  // CFR: Active Records Definitions
  25  define('ADODB_JOIN_AR', 0x01);
  26  define('ADODB_WORK_AR', 0x02);
  27  define('ADODB_LAZY_AR', 0x03);
  28  
  29  
  30  global $_ADODB_ACTIVE_DBS;
  31  global $ADODB_ACTIVE_CACHESECS; // set to true to enable caching of metadata such as field info
  32  global $ACTIVE_RECORD_SAFETY; // set to false to disable safety checks
  33  global $ADODB_ACTIVE_DEFVALS; // use default values of table definition when creating new active record.
  34  
  35  // array of ADODB_Active_DB's, indexed by ADODB_Active_Record->_dbat
  36  $_ADODB_ACTIVE_DBS = array();
  37  $ACTIVE_RECORD_SAFETY = true; // CFR: disabled while playing with relations
  38  $ADODB_ACTIVE_DEFVALS = false;
  39  
  40  class ADODB_Active_DB {
  41  	 var $db; // ADOConnection
  42  	 var $tables; // assoc array of ADODB_Active_Table objects, indexed by tablename
  43  }
  44  
  45  class ADODB_Active_Table {
  46  	 var $name; // table name
  47  	 var $flds; // assoc array of adofieldobjs, indexed by fieldname
  48  	 var $keys; // assoc array of primary keys, indexed by fieldname
  49  	 var $_created; // only used when stored as a cached file
  50  	 var $_belongsTo = array();
  51  	 var $_hasMany = array();
  52  	 var $_colsCount; // total columns count, including relations
  53  
  54  	function updateColsCount()
  55  	 {
  56  	 	 $this->_colsCount = sizeof($this->flds);
  57  	 	 foreach($this->_belongsTo as $foreignTable)
  58  	 	 	 $this->_colsCount += sizeof($foreignTable->TableInfo()->flds);
  59  	 	 foreach($this->_hasMany as $foreignTable)
  60  	 	 	 $this->_colsCount += sizeof($foreignTable->TableInfo()->flds);
  61  	 }
  62  }
  63  
  64  // returns index into $_ADODB_ACTIVE_DBS
  65  function ADODB_SetDatabaseAdapter(&$db)
  66  {
  67  	 global $_ADODB_ACTIVE_DBS;
  68  
  69  	 foreach($_ADODB_ACTIVE_DBS as $k => $d) {
  70  	 	 if ($d->db === $db) {
  71  	 	 	 return $k;
  72  	 	 }
  73  	 }
  74  
  75  	 $obj = new ADODB_Active_DB();
  76  	 $obj->db = $db;
  77  	 $obj->tables = array();
  78  
  79  	 $_ADODB_ACTIVE_DBS[] = $obj;
  80  
  81  	 return sizeof($_ADODB_ACTIVE_DBS)-1;
  82  }
  83  
  84  
  85  class ADODB_Active_Record {
  86  	 static $_changeNames = true; // dynamically pluralize table names
  87  	 static $_foreignSuffix = '_id'; //
  88  	 var $_dbat; // associative index pointing to ADODB_Active_DB eg. $ADODB_Active_DBS[_dbat]
  89  	 var $_table; // tablename, if set in class definition then use it as table name
  90  	 var $_sTable; // singularized table name
  91  	 var $_pTable; // pluralized table name
  92  	 var $_tableat; // associative index pointing to ADODB_Active_Table, eg $ADODB_Active_DBS[_dbat]->tables[$this->_tableat]
  93  	 var $_where; // where clause set in Load()
  94  	 var $_saved = false; // indicates whether data is already inserted.
  95  	 var $_lasterr = false; // last error message
  96  	 var $_original = false; // the original values loaded or inserted, refreshed on update
  97  
  98  	 var $foreignName; // CFR: class name when in a relationship
  99  
 100  	static function UseDefaultValues($bool=null)
 101  	 {
 102  	 global $ADODB_ACTIVE_DEFVALS;
 103  	 	 if (isset($bool)) {
 104  	 	 	 $ADODB_ACTIVE_DEFVALS = $bool;
 105  	 	 }
 106  	 	 return $ADODB_ACTIVE_DEFVALS;
 107  	 }
 108  
 109  	 // should be static
 110  	static function SetDatabaseAdapter(&$db)
 111  	 {
 112  	 	 return ADODB_SetDatabaseAdapter($db);
 113  	 }
 114  
 115  
 116  	public function __set($name, $value)
 117  	 {
 118  	 	 $name = str_replace(' ', '_', $name);
 119  	 	 $this->$name = $value;
 120  	 }
 121  
 122  	 // php5 constructor
 123  	 // Note: if $table is defined, then we will use it as our table name
 124  	 // Otherwise we will use our classname...
 125  	 // In our database, table names are pluralized (because there can be
 126  	 // more than one row!)
 127  	 // Similarly, if $table is defined here, it has to be plural form.
 128  	 //
 129  	 // $options is an array that allows us to tweak the constructor's behaviour
 130  	 // if $options['refresh'] is true, we re-scan our metadata information
 131  	 // if $options['new'] is true, we forget all relations
 132  	function __construct($table = false, $pkeyarr=false, $db=false, $options=array())
 133  	 {
 134  	 global $_ADODB_ACTIVE_DBS;
 135  
 136  	 	 if ($db == false && is_object($pkeyarr)) {
 137  	 	 	 $db = $pkeyarr;
 138  	 	 	 $pkeyarr = false;
 139  	 	 }
 140  
 141  	 	 if($table) {
 142  	 	 	 // table argument exists. It is expected to be
 143  	 	 	 // already plural form.
 144  	 	 	 $this->_pTable = $table;
 145  	 	 	 $this->_sTable = $this->_singularize($this->_pTable);
 146  	 	 }
 147  	 	 else {
 148  	 	 	 // We will use current classname as table name.
 149  	 	 	 // We need to pluralize it for the real table name.
 150  	 	 	 $this->_sTable = strtolower(get_class($this));
 151  	 	 	 $this->_pTable = $this->_pluralize($this->_sTable);
 152  	 	 }
 153  	 	 $this->_table = &$this->_pTable;
 154  
 155  	 	 $this->foreignName = $this->_sTable; // CFR: default foreign name (singular)
 156  
 157  	 	 if ($db) {
 158  	 	 	 $this->_dbat = ADODB_Active_Record::SetDatabaseAdapter($db);
 159  	 	 } else
 160  	 	 	 $this->_dbat = sizeof($_ADODB_ACTIVE_DBS)-1;
 161  
 162  
 163  	 	 if ($this->_dbat < 0) {
 164  	 	 	 $this->Error(
 165  	 	 	 	 "No database connection set; use ADOdb_Active_Record::SetDatabaseAdapter(\$db)",
 166  	 	 	 	 'ADODB_Active_Record::__constructor'
 167  	 	 	 );
 168  	 	 }
 169  
 170  	 	 $this->_tableat = $this->_table; # reserved for setting the assoc value to a non-table name, eg. the sql string in future
 171  
 172  	 	 // CFR: Just added this option because UpdateActiveTable() can refresh its information
 173  	 	 // but there was no way to ask it to do that.
 174  	 	 $forceUpdate = (isset($options['refresh']) && true === $options['refresh']);
 175  	 	 $this->UpdateActiveTable($pkeyarr, $forceUpdate);
 176  	 	 if(isset($options['new']) && true === $options['new']) {
 177  	 	 	 $table =& $this->TableInfo();
 178  	 	 	 unset($table->_hasMany);
 179  	 	 	 unset($table->_belongsTo);
 180  	 	 	 $table->_hasMany = array();
 181  	 	 	 $table->_belongsTo = array();
 182  	 	 }
 183  	 }
 184  
 185  	function __wakeup()
 186  	 {
 187  	 	 $class = get_class($this);
 188  	 	 new $class;
 189  	 }
 190  
 191  	 // CFR: Constants found in Rails
 192  	 static $IrregularP = array(
 193  	 	 'PERSON'    => 'people',
 194  	 	 'MAN'       => 'men',
 195  	 	 'WOMAN'     => 'women',
 196  	 	 'CHILD'     => 'children',
 197  	 	 'COW'       => 'kine',
 198  	 );
 199  
 200  	 static $IrregularS = array(
 201  	 	 'PEOPLE'    => 'PERSON',
 202  	 	 'MEN'       => 'man',
 203  	 	 'WOMEN'     => 'woman',
 204  	 	 'CHILDREN'  => 'child',
 205  	 	 'KINE'      => 'cow',
 206  	 );
 207  
 208  	 static $WeIsI = array(
 209  	 	 'EQUIPMENT' => true,
 210  	 	 'INFORMATION'   => true,
 211  	 	 'RICE'      => true,
 212  	 	 'MONEY'     => true,
 213  	 	 'SPECIES'   => true,
 214  	 	 'SERIES'    => true,
 215  	 	 'FISH'      => true,
 216  	 	 'SHEEP'     => true,
 217  	 );
 218  
 219  	function _pluralize($table)
 220  	 {
 221  	 	 if (!ADODB_Active_Record::$_changeNames) {
 222  	 	 	 return $table;
 223  	 	 }
 224  	 	 $ut = strtoupper($table);
 225  	 	 if(isset(self::$WeIsI[$ut])) {
 226  	 	 	 return $table;
 227  	 	 }
 228  	 	 if(isset(self::$IrregularP[$ut])) {
 229  	 	 	 return self::$IrregularP[$ut];
 230  	 	 }
 231  	 	 $len = strlen($table);
 232  	 	 $lastc = $ut[$len-1];
 233  	 	 $lastc2 = substr($ut,$len-2);
 234  	 	 switch ($lastc) {
 235  	 	 	 case 'S':
 236  	 	 	 	 return $table.'es';
 237  	 	 	 case 'Y':
 238  	 	 	 	 return substr($table,0,$len-1).'ies';
 239  	 	 	 case 'X':
 240  	 	 	 	 return $table.'es';
 241  	 	 	 case 'H':
 242  	 	 	 	 if ($lastc2 == 'CH' || $lastc2 == 'SH') {
 243  	 	 	 	 	 return $table.'es';
 244  	 	 	 	 }
 245  	 	 	 default:
 246  	 	 	 	 return $table.'s';
 247  	 	 }
 248  	 }
 249  
 250  	 // CFR Lamest singular inflector ever - @todo Make it real!
 251  	 // Note: There is an assumption here...and it is that the argument's length >= 4
 252  	function _singularize($table)
 253  	 {
 254  
 255  	 	 if (!ADODB_Active_Record::$_changeNames) {
 256  	 	 return $table;
 257  	 }
 258  	 	 $ut = strtoupper($table);
 259  	 	 if(isset(self::$WeIsI[$ut])) {
 260  	 	 	 return $table;
 261  	 	 }
 262  	 	 if(isset(self::$IrregularS[$ut])) {
 263  	 	 	 return self::$IrregularS[$ut];
 264  	 	 }
 265  	 	 $len = strlen($table);
 266  	 	 if($ut[$len-1] != 'S') {
 267  	 	 	 return $table; // I know...forget oxen
 268  	 	 }
 269  	 	 if($ut[$len-2] != 'E') {
 270  	 	 	 return substr($table, 0, $len-1);
 271  	 	 }
 272  	 	 switch($ut[$len-3]) {
 273  	 	 	 case 'S':
 274  	 	 	 case 'X':
 275  	 	 	 	 return substr($table, 0, $len-2);
 276  	 	 	 case 'I':
 277  	 	 	 	 return substr($table, 0, $len-3) . 'y';
 278  	 	 	 case 'H';
 279  	 	 	 	 if($ut[$len-4] == 'C' || $ut[$len-4] == 'S') {
 280  	 	 	 	 	 return substr($table, 0, $len-2);
 281  	 	 	 	 }
 282  	 	 	 default:
 283  	 	 	 	 return substr($table, 0, $len-1); // ?
 284  	 	 }
 285  	 }
 286  
 287  	 /*
 288  	  * ar->foreignName will contain the name of the tables associated with this table because
 289  	  * these other tables' rows may also be referenced by this table using theirname_id or the provided
 290  	  * foreign keys (this index name is stored in ar->foreignKey)
 291  	  *
 292  	  * this-table.id = other-table-#1.this-table_id
 293  	  *               = other-table-#2.this-table_id
 294  	  */
 295  	function hasMany($foreignRef,$foreignKey=false)
 296  	 {
 297  	 	 $ar = new ADODB_Active_Record($foreignRef);
 298  	 	 $ar->foreignName = $foreignRef;
 299  	 	 $ar->UpdateActiveTable();
 300  	 	 $ar->foreignKey = ($foreignKey) ? $foreignKey : strtolower(get_class($this)) . self::$_foreignSuffix;
 301  
 302  	 	 $table =& $this->TableInfo();
 303  	 	 if(!isset($table->_hasMany[$foreignRef])) {
 304  	 	 	 $table->_hasMany[$foreignRef] = $ar;
 305  	 	 	 $table->updateColsCount();
 306  	 	 }
 307  # @todo Can I make this guy be lazy?
 308  	 	 $this->$foreignRef = $table->_hasMany[$foreignRef]; // WATCHME Removed assignment by ref. to please __get()
 309  	 }
 310  
 311  	 /**
 312  	  * ar->foreignName will contain the name of the tables associated with this table because
 313  	  * this table's rows may also be referenced by those tables using thistable_id or the provided
 314  	  * foreign keys (this index name is stored in ar->foreignKey)
 315  	  *
 316  	  * this-table.other-table_id = other-table.id
 317  	  */
 318  	function belongsTo($foreignRef,$foreignKey=false)
 319  	 {
 320  	 	 global $inflector;
 321  
 322  	 	 $ar = new ADODB_Active_Record($this->_pluralize($foreignRef));
 323  	 	 $ar->foreignName = $foreignRef;
 324  	 	 $ar->UpdateActiveTable();
 325  	 	 $ar->foreignKey = ($foreignKey) ? $foreignKey : $ar->foreignName . self::$_foreignSuffix;
 326  
 327  	 	 $table =& $this->TableInfo();
 328  	 	 if(!isset($table->_belongsTo[$foreignRef])) {
 329  	 	 	 $table->_belongsTo[$foreignRef] = $ar;
 330  	 	 	 $table->updateColsCount();
 331  	 	 }
 332  	 	 $this->$foreignRef = $table->_belongsTo[$foreignRef];
 333  	 }
 334  
 335  	 /**
 336  	  * __get Access properties - used for lazy loading
 337  	  *
 338  	  * @param mixed $name
 339  	  * @access protected
 340  	  * @return void
 341  	  */
 342  	function __get($name)
 343  	 {
 344  	 	 return $this->LoadRelations($name, '', -1. -1);
 345  	 }
 346  
 347  	function LoadRelations($name, $whereOrderBy, $offset=-1, $limit=-1)
 348  	 {
 349  	 	 $extras = array();
 350  	 	 if($offset >= 0) {
 351  	 	 	 $extras['offset'] = $offset;
 352  	 	 }
 353  	 	 if($limit >= 0) {
 354  	 	 	 $extras['limit'] = $limit;
 355  	 	 }
 356  	 	 $table =& $this->TableInfo();
 357  
 358  	 	 if (strlen($whereOrderBy)) {
 359  	 	 	 if (!preg_match('/^[ \n\r]*AND/i',$whereOrderBy)) {
 360  	 	 	 	 if (!preg_match('/^[ \n\r]*ORDER[ \n\r]/i',$whereOrderBy)) {
 361  	 	 	 	 	 $whereOrderBy = 'AND '.$whereOrderBy;
 362  	 	 	 	 }
 363  	 	 	 }
 364  	 	 }
 365  
 366  	 	 if(!empty($table->_belongsTo[$name])) {
 367  	 	 	 $obj = $table->_belongsTo[$name];
 368  	 	 	 $columnName = $obj->foreignKey;
 369  	 	 	 if(empty($this->$columnName)) {
 370  	 	 	 	 $this->$name = null;
 371  	 	 	 }
 372  	 	 	 else {
 373  	 	 	 	 if(($k = reset($obj->TableInfo()->keys))) {
 374  	 	 	 	 	 $belongsToId = $k;
 375  	 	 	 	 }
 376  	 	 	 	 else {
 377  	 	 	 	 	 $belongsToId = 'id';
 378  	 	 	 	 }
 379  
 380  	 	 	 	 $arrayOfOne =
 381  	 	 	 	 	 $obj->Find(
 382  	 	 	 	 	 	 $belongsToId.'='.$this->$columnName.' '.$whereOrderBy, false, false, $extras);
 383  	 	 	 	 $this->$name = $arrayOfOne[0];
 384  	 	 	 }
 385  	 	 	 return $this->$name;
 386  	 	 }
 387  	 	 if(!empty($table->_hasMany[$name])) {
 388  	 	 	 $obj = $table->_hasMany[$name];
 389  	 	 	 if(($k = reset($table->keys))) {
 390  	 	 	 	 $hasManyId   = $k;
 391  	 	 	 }
 392  	 	 	 else {
 393  	 	 	 	 $hasManyId   = 'id';
 394  	 	 	 }
 395  
 396  	 	 	 $this->$name =
 397  	 	 	 	 $obj->Find(
 398  	 	 	 	 	 $obj->foreignKey.'='.$this->$hasManyId.' '.$whereOrderBy, false, false, $extras);
 399  	 	 	 return $this->$name;
 400  	 	 }
 401  	 }
 402  	 //////////////////////////////////
 403  
 404  	 // update metadata
 405  	function UpdateActiveTable($pkeys=false,$forceUpdate=false)
 406  	 {
 407  	 global $_ADODB_ACTIVE_DBS , $ADODB_CACHE_DIR, $ADODB_ACTIVE_CACHESECS;
 408  	 global $ADODB_ACTIVE_DEFVALS, $ADODB_FETCH_MODE;
 409  
 410  	 	 $activedb = $_ADODB_ACTIVE_DBS[$this->_dbat];
 411  
 412  	 	 $table = $this->_table;
 413  	 	 $tables = $activedb->tables;
 414  	 	 $tableat = $this->_tableat;
 415  	 	 if (!$forceUpdate && !empty($tables[$tableat])) {
 416  
 417  	 	 	 $tobj = $tables[$tableat];
 418  	 	 	 foreach($tobj->flds as $name => $fld) {
 419  	 	 	 	 if ($ADODB_ACTIVE_DEFVALS && isset($fld->default_value)) {
 420  	 	 	 	 	 $this->$name = $fld->default_value;
 421  	 	 	 	 }
 422  	 	 	 	 else {
 423  	 	 	 	 	 $this->$name = null;
 424  	 	 	 	 }
 425  	 	 	 }
 426  	 	 	 return;
 427  	 	 }
 428  
 429  	 	 $db = $activedb->db;
 430  	 	 $fname = $ADODB_CACHE_DIR . '/adodb_' . $db->databaseType . '_active_'. $table . '.cache';
 431  	 	 if (!$forceUpdate && $ADODB_ACTIVE_CACHESECS && $ADODB_CACHE_DIR && file_exists($fname)) {
 432  	 	 	 $fp = fopen($fname,'r');
 433  	 	 	 @flock($fp, LOCK_SH);
 434  	 	 	 $acttab = unserialize(fread($fp,100000));
 435  	 	 	 fclose($fp);
 436  	 	 	 if ($acttab->_created + $ADODB_ACTIVE_CACHESECS - (abs(rand()) % 16) > time()) {
 437  	 	 	 	 // abs(rand()) randomizes deletion, reducing contention to delete/refresh file
 438  	 	 	 	 // ideally, you should cache at least 32 secs
 439  	 	 	 	 $activedb->tables[$table] = $acttab;
 440  
 441  	 	 	 	 //if ($db->debug) ADOConnection::outp("Reading cached active record file: $fname");
 442  	 	 	 	 	 return;
 443  	 	 	 } else if ($db->debug) {
 444  	 	 	 	 ADOConnection::outp("Refreshing cached active record file: $fname");
 445  	 	 	 }
 446  	 	 }
 447  	 	 $activetab = new ADODB_Active_Table();
 448  	 	 $activetab->name = $table;
 449  
 450  	 	 $save = $ADODB_FETCH_MODE;
 451  	 	 $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
 452  	 	 if ($db->fetchMode !== false) {
 453  	 	 	 $savem = $db->SetFetchMode(false);
 454  	 	 }
 455  
 456  	 	 $cols = $db->MetaColumns($table);
 457  
 458  	 	 if (isset($savem)) {
 459  	 	 	 $db->SetFetchMode($savem);
 460  	 	 }
 461  	 	 $ADODB_FETCH_MODE = $save;
 462  
 463  	 	 if (!$cols) {
 464  	 	 	 $this->Error("Invalid table name: $table",'UpdateActiveTable');
 465  	 	 	 return false;
 466  	 	 }
 467  	 	 $fld = reset($cols);
 468  	 	 if (!$pkeys) {
 469  	 	 	 if (isset($fld->primary_key)) {
 470  	 	 	 	 $pkeys = array();
 471  	 	 	 	 foreach($cols as $name => $fld) {
 472  	 	 	 	 	 if (!empty($fld->primary_key)) {
 473  	 	 	 	 	 	 $pkeys[] = $name;
 474  	 	 	 	 	 }
 475  	 	 	 	 }
 476  	 	 	 } else {
 477  	 	 	 	 $pkeys = $this->GetPrimaryKeys($db, $table);
 478  	 	 	 }
 479  	 	 }
 480  	 	 if (empty($pkeys)) {
 481  	 	 	 $this->Error("No primary key found for table $table",'UpdateActiveTable');
 482  	 	 	 return false;
 483  	 	 }
 484  
 485  	 	 $attr = array();
 486  	 	 $keys = array();
 487  
 488  	 	 switch (ADODB_ASSOC_CASE) {
 489  	 	 case ADODB_ASSOC_CASE_LOWER:
 490  	 	 	 foreach($cols as $name => $fldobj) {
 491  	 	 	 	 $name = strtolower($name);
 492  	 	 	 	 if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) {
 493  	 	 	 	 	 $this->$name = $fldobj->default_value;
 494  	 	 	 	 }
 495  	 	 	 	 else {
 496  	 	 	 	 	 $this->$name = null;
 497  	 	 	 	 }
 498  	 	 	 	 $attr[$name] = $fldobj;
 499  	 	 	 }
 500  	 	 	 foreach($pkeys as $k => $name) {
 501  	 	 	 	 $keys[strtolower($name)] = strtolower($name);
 502  	 	 	 }
 503  	 	 	 break;
 504  
 505  	 	 case ADODB_ASSOC_CASE_UPPER:
 506  	 	 	 foreach($cols as $name => $fldobj) {
 507  	 	 	 	 $name = strtoupper($name);
 508  
 509  	 	 	 	 if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) {
 510  	 	 	 	 	 $this->$name = $fldobj->default_value;
 511  	 	 	 	 }
 512  	 	 	 	 else {
 513  	 	 	 	 	 $this->$name = null;
 514  	 	 	 	 }
 515  	 	 	 	 $attr[$name] = $fldobj;
 516  	 	 	 }
 517  
 518  	 	 	 foreach($pkeys as $k => $name) {
 519  	 	 	 	 $keys[strtoupper($name)] = strtoupper($name);
 520  	 	 	 }
 521  	 	 	 break;
 522  	 	 default:
 523  	 	 	 foreach($cols as $name => $fldobj) {
 524  	 	 	 	 $name = ($fldobj->name);
 525  
 526  	 	 	 	 if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value)) {
 527  	 	 	 	 	 $this->$name = $fldobj->default_value;
 528  	 	 	 	 }
 529  	 	 	 	 else {
 530  	 	 	 	 	 $this->$name = null;
 531  	 	 	 	 }
 532  	 	 	 	 $attr[$name] = $fldobj;
 533  	 	 	 }
 534  	 	 	 foreach($pkeys as $k => $name) {
 535  	 	 	 	 $keys[$name] = $cols[$name]->name;
 536  	 	 	 }
 537  	 	 	 break;
 538  	 	 }
 539  
 540  	 	 $activetab->keys = $keys;
 541  	 	 $activetab->flds = $attr;
 542  	 	 $activetab->updateColsCount();
 543  
 544  	 	 if ($ADODB_ACTIVE_CACHESECS && $ADODB_CACHE_DIR) {
 545  	 	 	 $activetab->_created = time();
 546  	 	 	 $s = serialize($activetab);
 547  	 	 	 if (!function_exists('adodb_write_file')) {
 548  	 	 	 	 include_once (ADODB_DIR.'/adodb-csvlib.inc.php');
 549  	 	 	 }
 550  	 	 	 adodb_write_file($fname,$s);
 551  	 	 }
 552  	 	 if (isset($activedb->tables[$table])) {
 553  	 	 	 $oldtab = $activedb->tables[$table];
 554  
 555  	 	 	 if ($oldtab) {
 556  	 	 	 	 $activetab->_belongsTo = $oldtab->_belongsTo;
 557  	 	 	 	 $activetab->_hasMany = $oldtab->_hasMany;
 558  	 	 	 }
 559  	 	 }
 560  	 	 $activedb->tables[$table] = $activetab;
 561  	 }
 562  
 563  	function GetPrimaryKeys(&$db, $table)
 564  	 {
 565  	 	 return $db->MetaPrimaryKeys($table);
 566  	 }
 567  
 568  	 // error handler for both PHP4+5.
 569  	function Error($err,$fn)
 570  	 {
 571  	 global $_ADODB_ACTIVE_DBS;
 572  
 573  	 	 $fn = get_class($this).'::'.$fn;
 574  	 	 $this->_lasterr = $fn.': '.$err;
 575  
 576  	 	 if ($this->_dbat < 0) {
 577  	 	 	 $db = false;
 578  	 	 }
 579  	 	 else {
 580  	 	 	 $activedb = $_ADODB_ACTIVE_DBS[$this->_dbat];
 581  	 	 	 $db = $activedb->db;
 582  	 	 }
 583  
 584  	 	 if (function_exists('adodb_throw')) {
 585  	 	 	 if (!$db) {
 586  	 	 	 	 adodb_throw('ADOdb_Active_Record', $fn, -1, $err, 0, 0, false);
 587  	 	 	 }
 588  	 	 	 else {
 589  	 	 	 	 adodb_throw($db->databaseType, $fn, -1, $err, 0, 0, $db);
 590  	 	 	 }
 591  	 	 } else {
 592  	 	 	 if (!$db || $db->debug) {
 593  	 	 	 	 ADOConnection::outp($this->_lasterr);
 594  	 	 	 }
 595  	 	 }
 596  
 597  	 }
 598  
 599  	 // return last error message
 600  	function ErrorMsg()
 601  	 {
 602  	 	 if (!function_exists('adodb_throw')) {
 603  	 	 	 if ($this->_dbat < 0) {
 604  	 	 	 	 $db = false;
 605  	 	 	 }
 606  	 	 	 else {
 607  	 	 	 	 $db = $this->DB();
 608  	 	 	 }
 609  
 610  	 	 	 // last error could be database error too
 611  	 	 	 if ($db && $db->ErrorMsg()) {
 612  	 	 	 	 return $db->ErrorMsg();
 613  	 	 	 }
 614  	 	 }
 615  	 	 return $this->_lasterr;
 616  	 }
 617  
 618  	function ErrorNo()
 619  	 {
 620  	 	 if ($this->_dbat < 0) {
 621  	 	 	 return -9999; // no database connection...
 622  	 	 }
 623  	 	 $db = $this->DB();
 624  
 625  	 	 return (int) $db->ErrorNo();
 626  	 }
 627  
 628  
 629  	 // retrieve ADOConnection from _ADODB_Active_DBs
 630  	 function DB()
 631  	 {
 632  	 global $_ADODB_ACTIVE_DBS;
 633  
 634  	 	 if ($this->_dbat < 0) {
 635  	 	 	 $false = false;
 636  	 	 	 $this->Error("No database connection set: use ADOdb_Active_Record::SetDatabaseAdaptor(\$db)", "DB");
 637  	 	 	 return $false;
 638  	 	 }
 639  	 	 $activedb = $_ADODB_ACTIVE_DBS[$this->_dbat];
 640  	 	 $db = $activedb->db;
 641  	 	 return $db;
 642  	 }
 643  
 644  	 // retrieve ADODB_Active_Table
 645  	 function &TableInfo()
 646  	 {
 647  	 global $_ADODB_ACTIVE_DBS;
 648  
 649  	 	 $activedb = $_ADODB_ACTIVE_DBS[$this->_dbat];
 650  	 	 $table = $activedb->tables[$this->_tableat];
 651  	 	 return $table;
 652  	 }
 653  
 654  
 655  	 // I have an ON INSERT trigger on a table that sets other columns in the table.
 656  	 // So, I find that for myTable, I want to reload an active record after saving it. -- Malcolm Cook
 657  	function Reload()
 658  	 {
 659  	 	 $db =& $this->DB();
 660  	 	 if (!$db) {
 661  	 	 	 return false;
 662  	 	 }
 663  	 	 $table =& $this->TableInfo();
 664  	 	 $where = $this->GenWhere($db, $table);
 665  	 	 return($this->Load($where));
 666  	 }
 667  
 668  
 669  	 // set a numeric array (using natural table field ordering) as object properties
 670  	function Set(&$row)
 671  	 {
 672  	 global $ACTIVE_RECORD_SAFETY;
 673  
 674  	 	 $db = $this->DB();
 675  
 676  	 	 if (!$row) {
 677  	 	 	 $this->_saved = false;
 678  	 	 	 return false;
 679  	 	 }
 680  
 681  	 	 $this->_saved = true;
 682  
 683  	 	 $table = $this->TableInfo();
 684  	 	 $sizeofFlds = sizeof($table->flds);
 685  	 	 $sizeofRow  = sizeof($row);
 686  	 	 if ($ACTIVE_RECORD_SAFETY && $table->_colsCount != $sizeofRow && $sizeofFlds != $sizeofRow) {
 687  	 	 	 # <AP>
 688  	 	 	 $bad_size = TRUE;
 689  	 	 	 if($sizeofRow == 2 * $table->_colsCount || $sizeofRow == 2 * $sizeofFlds) {
 690  	 	 	 	 // Only keep string keys
 691  	 	 	 	 $keys = array_filter(array_keys($row), 'is_string');
 692  	 	 	 	 if (sizeof($keys) == sizeof($table->flds)) {
 693  	 	 	 	 	 $bad_size = FALSE;
 694  	 	 	 	 }
 695  	 	 	 }
 696  	 	 	 if ($bad_size) {
 697  	 	 	 	 $this->Error("Table structure of $this->_table has changed","Load");
 698  	 	 	 	 return false;
 699  	 	 	 }
 700  	 	 	 # </AP>
 701  	 	 }
 702  	 	 else {
 703  	 	 	 $keys = array_keys($row);
 704  	 	 }
 705  
 706  	 	 # <AP>
 707  	 	 reset($keys);
 708  	 	 $this->_original = array();
 709  	 	 foreach($table->flds as $name=>$fld) {
 710  	 	 	 $value = $row[current($keys)];
 711  	 	 	 $this->$name = $value;
 712  	 	 	 $this->_original[] = $value;
 713  	 	 	 if(!next($keys)) {
 714  	 	 	 	 break;
 715  	 	 	 }
 716  	 	 }
 717  	 	 $table =& $this->TableInfo();
 718  	 	 foreach($table->_belongsTo as $foreignTable) {
 719  	 	 	 $ft = $foreignTable->TableInfo();
 720  	 	 	 $propertyName = $ft->name;
 721  	 	 	 foreach($ft->flds as $name=>$fld) {
 722  	 	 	 	 $value = $row[current($keys)];
 723  	 	 	 	 $foreignTable->$name = $value;
 724  	 	 	 	 $foreignTable->_original[] = $value;
 725  	 	 	 	 if(!next($keys)) {
 726  	 	 	 	 	 break;
 727  	 	 	 	 }
 728  	 	 	 }
 729  	 	 }
 730  	 	 foreach($table->_hasMany as $foreignTable) {
 731  	 	 	 $ft = $foreignTable->TableInfo();
 732  	 	 	 foreach($ft->flds as $name=>$fld) {
 733  	 	 	 	 $value = $row[current($keys)];
 734  	 	 	 	 $foreignTable->$name = $value;
 735  	 	 	 	 $foreignTable->_original[] = $value;
 736  	 	 	 	 if(!next($keys)) {
 737  	 	 	 	 	 break;
 738  	 	 	 	 }
 739  	 	 	 }
 740  	 	 }
 741  	 	 # </AP>
 742  
 743  	 	 return true;
 744  	 }
 745  
 746  	 // get last inserted id for INSERT
 747  	function LastInsertID(&$db,$fieldname)
 748  	 {
 749  	 	 if ($db->hasInsertID) {
 750  	 	 	 $val = $db->Insert_ID($this->_table,$fieldname);
 751  	 	 }
 752  	 	 else {
 753  	 	 	 $val = false;
 754  	 	 }
 755  
 756  	 	 if (is_null($val) || $val === false) {
 757  	 	 	 // this might not work reliably in multi-user environment
 758  	 	 	 return $db->GetOne("select max(".$fieldname.") from ".$this->_table);
 759  	 	 }
 760  	 	 return $val;
 761  	 }
 762  
 763  	 // quote data in where clause
 764  	function doquote(&$db, $val,$t)
 765  	 {
 766  	 	 switch($t) {
 767  	 	 case 'D':
 768  	 	 case 'T':
 769  	 	 	 if (empty($val)) {
 770  	 	 	 	 return 'null';
 771  	 	 	 }
 772  	 	 case 'C':
 773  	 	 case 'X':
 774  	 	 	 if (is_null($val)) {
 775  	 	 	 	 return 'null';
 776  	 	 	 }
 777  	 	 	 if (strlen($val)>0 &&
 778  	 	 	 	 (strncmp($val,"'",1) != 0 || substr($val,strlen($val)-1,1) != "'")
 779  	 	 	 ) {
 780  	 	 	 	 return $db->qstr($val);
 781  	 	 	 	 break;
 782  	 	 	 }
 783  	 	 default:
 784  	 	 	 return $val;
 785  	 	 	 break;
 786  	 	 }
 787  	 }
 788  
 789  	 // generate where clause for an UPDATE/SELECT
 790  	function GenWhere(&$db, &$table)
 791  	 {
 792  	 	 $keys = $table->keys;
 793  	 	 $parr = array();
 794  
 795  	 	 foreach($keys as $k) {
 796  	 	 	 $f = $table->flds[$k];
 797  	 	 	 if ($f) {
 798  	 	 	 	 $parr[] = $k.' = '.$this->doquote($db,$this->$k,$db->MetaType($f->type));
 799  	 	 	 }
 800  	 	 }
 801  	 	 return implode(' and ', $parr);
 802  	 }
 803  
 804  
 805  	 //------------------------------------------------------------ Public functions below
 806  
 807  	function Load($where=null,$bindarr=false)
 808  	 {
 809  	 	 $db = $this->DB();
 810  	 	 if (!$db) {
 811  	 	 	 return false;
 812  	 	 }
 813  	 	 $this->_where = $where;
 814  
 815  	 	 $save = $db->SetFetchMode(ADODB_FETCH_NUM);
 816  	 	 $qry = "select * from ".$this->_table;
 817  	 	 $table =& $this->TableInfo();
 818  
 819  	 	 if(($k = reset($table->keys))) {
 820  	 	 	 $hasManyId   = $k;
 821  	 	 }
 822  	 	 else {
 823  	 	 	 $hasManyId   = 'id';
 824  	 	 }
 825  
 826  	 	 foreach($table->_belongsTo as $foreignTable) {
 827  	 	 	 if(($k = reset($foreignTable->TableInfo()->keys))) {
 828  	 	 	 	 $belongsToId = $k;
 829  	 	 	 }
 830  	 	 	 else {
 831  	 	 	 	 $belongsToId = 'id';
 832  	 	 	 }
 833  	 	 	 $qry .= ' LEFT JOIN '.$foreignTable->_table.' ON '.
 834  	 	 	 	 $this->_table.'.'.$foreignTable->foreignKey.'='.
 835  	 	 	 	 $foreignTable->_table.'.'.$belongsToId;
 836  	 	 }
 837  	 	 foreach($table->_hasMany as $foreignTable)
 838  	 	 {
 839  	 	 	 $qry .= ' LEFT JOIN '.$foreignTable->_table.' ON '.
 840  	 	 	 	 $this->_table.'.'.$hasManyId.'='.
 841  	 	 	 	 $foreignTable->_table.'.'.$foreignTable->foreignKey;
 842  	 	 }
 843  	 	 if($where) {
 844  	 	 	 $qry .= ' WHERE '.$where;
 845  	 	 }
 846  
 847  	 	 // Simple case: no relations. Load row and return.
 848  	 	 if((count($table->_hasMany) + count($table->_belongsTo)) < 1) {
 849  	 	 	 $row = $db->GetRow($qry,$bindarr);
 850  	 	 	 if(!$row) {
 851  	 	 	 	 return false;
 852  	 	 	 }
 853  	 	 	 $db->SetFetchMode($save);
 854  	 	 	 return $this->Set($row);
 855  	 	 }
 856  
 857  	 	 // More complex case when relations have to be collated
 858  	 	 $rows = $db->GetAll($qry,$bindarr);
 859  	 	 if(!$rows) {
 860  	 	 	 return false;
 861  	 	 }
 862  	 	 $db->SetFetchMode($save);
 863  	 	 if(count($rows) < 1) {
 864  	 	 	 return false;
 865  	 	 }
 866  	 	 $class = get_class($this);
 867  	 	 $isFirstRow = true;
 868  
 869  	 	 if(($k = reset($this->TableInfo()->keys))) {
 870  	 	 	 $myId   = $k;
 871  	 	 }
 872  	 	 else {
 873  	 	 	 $myId   = 'id';
 874  	 	 }
 875  	 	 $index = 0; $found = false;
 876  	 	 /** @todo Improve by storing once and for all in table metadata */
 877  	 	 /** @todo Also re-use info for hasManyId */
 878  	 	 foreach($this->TableInfo()->flds as $fld) {
 879  	 	 	 if($fld->name == $myId) {
 880  	 	 	 	 $found = true;
 881  	 	 	 	 break;
 882  	 	 	 }
 883  	 	 	 $index++;
 884  	 	 }
 885  	 	 if(!$found) {
 886  	 	 	 $this->outp_throw("Unable to locate key $myId for $class in Load()",'Load');
 887  	 	 }
 888  
 889  	 	 foreach($rows as $row) {
 890  	 	 	 $rowId = intval($row[$index]);
 891  	 	 	 if($rowId > 0) {
 892  	 	 	 	 if($isFirstRow) {
 893  	 	 	 	 	 $isFirstRow = false;
 894  	 	 	 	 	 if(!$this->Set($row)) {
 895  	 	 	 	 	 	 return false;
 896  	 	 	 	 	 }
 897  	 	 	 	 }
 898  	 	 	 	 $obj = new $class($table,false,$db);
 899  	 	 	 	 $obj->Set($row);
 900  	 	 	 	 // TODO Copy/paste code below: bad!
 901  	 	 	 	 if(count($table->_hasMany) > 0) {
 902  	 	 	 	 	 foreach($table->_hasMany as $foreignTable) {
 903  	 	 	 	 	 	 $foreignName = $foreignTable->foreignName;
 904  	 	 	 	 	 	 if(!empty($obj->$foreignName)) {
 905  	 	 	 	 	 	 	 if(!is_array($this->$foreignName)) {
 906  	 	 	 	 	 	 	 	 $foreignObj = $this->$foreignName;
 907  	 	 	 	 	 	 	 	 $this->$foreignName = array(clone($foreignObj));
 908  	 	 	 	 	 	 	 }
 909  	 	 	 	 	 	 	 else {
 910  	 	 	 	 	 	 	 	 $foreignObj = $obj->$foreignName;
 911  	 	 	 	 	 	 	 	 array_push($this->$foreignName, clone($foreignObj));
 912  	 	 	 	 	 	 	 }
 913  	 	 	 	 	 	 }
 914  	 	 	 	 	 }
 915  	 	 	 	 }
 916  	 	 	 	 if(count($table->_belongsTo) > 0) {
 917  	 	 	 	 	 foreach($table->_belongsTo as $foreignTable) {
 918  	 	 	 	 	 	 $foreignName = $foreignTable->foreignName;
 919  	 	 	 	 	 	 if(!empty($obj->$foreignName)) {
 920  	 	 	 	 	 	 	 if(!is_array($this->$foreignName)) {
 921  	 	 	 	 	 	 	 	 $foreignObj = $this->$foreignName;
 922  	 	 	 	 	 	 	 	 $this->$foreignName = array(clone($foreignObj));
 923  	 	 	 	 	 	 	 }
 924  	 	 	 	 	 	 	 else {
 925  	 	 	 	 	 	 	 	 $foreignObj = $obj->$foreignName;
 926  	 	 	 	 	 	 	 	 array_push($this->$foreignName, clone($foreignObj));
 927  	 	 	 	 	 	 	 }
 928  	 	 	 	 	 	 }
 929  	 	 	 	 	 }
 930  	 	 	 	 }
 931  	 	 	 }
 932  	 	 }
 933  	 	 return true;
 934  	 }
 935  
 936  	 // false on error
 937  	function Save()
 938  	 {
 939  	 	 if ($this->_saved) {
 940  	 	 	 $ok = $this->Update();
 941  	 	 }
 942  	 	 else {
 943  	 	 	 $ok = $this->Insert();
 944  	 	 }
 945  
 946  	 	 return $ok;
 947  	 }
 948  
 949  	 // CFR: Sometimes we may wish to consider that an object is not to be replaced but inserted.
 950  	 // Sample use case: an 'undo' command object (after a delete())
 951  	function Dirty()
 952  	 {
 953  	 	 $this->_saved = false;
 954  	 }
 955  
 956  	 // false on error
 957  	function Insert()
 958  	 {
 959  	 	 $db = $this->DB();
 960  	 	 if (!$db) {
 961  	 	 	 return false;
 962  	 	 }
 963  	 	 $cnt = 0;
 964  	 	 $table = $this->TableInfo();
 965  
 966  	 	 $valarr = array();
 967  	 	 $names = array();
 968  	 	 $valstr = array();
 969  
 970  	 	 foreach($table->flds as $name=>$fld) {
 971  	 	 	 $val = $this->$name;
 972  	 	 	 if(!is_null($val) || !array_key_exists($name, $table->keys)) {
 973  	 	 	 	 $valarr[] = $val;
 974  	 	 	 	 $names[] = $name;
 975  	 	 	 	 $valstr[] = $db->Param($cnt);
 976  	 	 	 	 $cnt += 1;
 977  	 	 	 }
 978  	 	 }
 979  
 980  	 	 if (empty($names)){
 981  	 	 	 foreach($table->flds as $name=>$fld) {
 982  	 	 	 	 $valarr[] = null;
 983  	 	 	 	 $names[] = $name;
 984  	 	 	 	 $valstr[] = $db->Param($cnt);
 985  	 	 	 	 $cnt += 1;
 986  	 	 	 }
 987  	 	 }
 988  	 	 $sql = 'INSERT INTO '.$this->_table."(".implode(',',$names).') VALUES ('.implode(',',$valstr).')';
 989  	 	 $ok = $db->Execute($sql,$valarr);
 990  
 991  	 	 if ($ok) {
 992  	 	 	 $this->_saved = true;
 993  	 	 	 $autoinc = false;
 994  	 	 	 foreach($table->keys as $k) {
 995  	 	 	 	 if (is_null($this->$k)) {
 996  	 	 	 	 	 $autoinc = true;
 997  	 	 	 	 	 break;
 998  	 	 	 	 }
 999  	 	 	 }
1000  	 	 	 if ($autoinc && sizeof($table->keys) == 1) {
1001  	 	 	 	 $k = reset($table->keys);
1002  	 	 	 	 $this->$k = $this->LastInsertID($db,$k);
1003  	 	 	 }
1004  	 	 }
1005  
1006  	 	 $this->_original = $valarr;
1007  	 	 return !empty($ok);
1008  	 }
1009  
1010  	function Delete()
1011  	 {
1012  	 	 $db = $this->DB();
1013  	 	 if (!$db) {
1014  	 	 	 return false;
1015  	 	 }
1016  	 	 $table = $this->TableInfo();
1017  
1018  	 	 $where = $this->GenWhere($db,$table);
1019  	 	 $sql = 'DELETE FROM '.$this->_table.' WHERE '.$where;
1020  	 	 $ok = $db->Execute($sql);
1021  
1022  	 	 return $ok ? true : false;
1023  	 }
1024  
1025  	 // returns an array of active record objects
1026  	function Find($whereOrderBy,$bindarr=false,$pkeysArr=false,$extra=array())
1027  	 {
1028  	 	 $db = $this->DB();
1029  	 	 if (!$db || empty($this->_table)) {
1030  	 	 	 return false;
1031  	 	 }
1032  	 	 $table =& $this->TableInfo();
1033  	 	 $arr = $db->GetActiveRecordsClass(get_class($this),$this, $whereOrderBy,$bindarr,$pkeysArr,$extra,
1034  	 	 	 array('foreignName'=>$this->foreignName, 'belongsTo'=>$table->_belongsTo, 'hasMany'=>$table->_hasMany));
1035  	 	 return $arr;
1036  	 }
1037  
1038  	 // CFR: In introduced this method to ensure that inner workings are not disturbed by
1039  	 // subclasses...for instance when GetActiveRecordsClass invokes Find()
1040  	 // Why am I not invoking parent::Find?
1041  	 // Shockingly because I want to preserve PHP4 compatibility.
1042  	function packageFind($whereOrderBy,$bindarr=false,$pkeysArr=false,$extra=array())
1043  	 {
1044  	 	 $db = $this->DB();
1045  	 	 if (!$db || empty($this->_table)) {
1046  	 	 	 return false;
1047  	 	 }
1048  	 	 $table =& $this->TableInfo();
1049  	 	 $arr = $db->GetActiveRecordsClass(get_class($this),$this, $whereOrderBy,$bindarr,$pkeysArr,$extra,
1050  	 	 	 array('foreignName'=>$this->foreignName, 'belongsTo'=>$table->_belongsTo, 'hasMany'=>$table->_hasMany));
1051  	 	 return $arr;
1052  	 }
1053  
1054  	 // returns 0 on error, 1 on update, 2 on insert
1055  	function Replace()
1056  	 {
1057  	 	 $db = $this->DB();
1058  	 	 if (!$db) {
1059  	 	 	 return false;
1060  	 	 }
1061  	 	 $table = $this->TableInfo();
1062  
1063  	 	 $pkey = $table->keys;
1064  
1065  	 	 foreach($table->flds as $name=>$fld) {
1066  	 	 	 $val = $this->$name;
1067  	 	 	 /*
1068  	 	 	 if (is_null($val)) {
1069  	 	 	 	 if (isset($fld->not_null) && $fld->not_null) {
1070  	 	 	 	 	 if (isset($fld->default_value) && strlen($fld->default_value)) {
1071  	 	 	 	 	 	 continue;
1072  	 	 	 	 	 }
1073  	 	 	 	 	 else {
1074  	 	 	 	 	 	 $this->Error("Cannot update null into $name","Replace");
1075  	 	 	 	 	 	 return false;
1076  	 	 	 	 	 }
1077  	 	 	 	 }
1078  	 	 	 }*/
1079  	 	 	 if (is_null($val) && !empty($fld->auto_increment)) {
1080  	 	 	 	 continue;
1081  	 	 	 }
1082  	 	 	 $t = $db->MetaType($fld->type);
1083  	 	 	 $arr[$name] = $this->doquote($db,$val,$t);
1084  	 	 	 $valarr[] = $val;
1085  	 	 }
1086  
1087  	 	 if (!is_array($pkey)) {
1088  	 	 	 $pkey = array($pkey);
1089  	 	 }
1090  
1091  
1092  	 	 switch (ADODB_ASSOC_CASE) {
1093  	 	 	 case ADODB_ASSOC_CASE_LOWER:
1094  	 	 	 	 foreach($pkey as $k => $v) {
1095  	 	 	 	 	 $pkey[$k] = strtolower($v);
1096  	 	 	 	 }
1097  	 	 	 	 break;
1098  	 	 	 case ADODB_ASSOC_CASE_UPPER:
1099  	 	 	 	 foreach($pkey as $k => $v) {
1100  	 	 	 	 	 $pkey[$k] = strtoupper($v);
1101  	 	 	 	 }
1102  	 	 	 	 break;
1103  	 	 }
1104  
1105  	 	 $ok = $db->Replace($this->_table,$arr,$pkey);
1106  	 	 if ($ok) {
1107  	 	 	 $this->_saved = true; // 1= update 2=insert
1108  	 	 	 if ($ok == 2) {
1109  	 	 	 	 $autoinc = false;
1110  	 	 	 	 foreach($table->keys as $k) {
1111  	 	 	 	 	 if (is_null($this->$k)) {
1112  	 	 	 	 	 	 $autoinc = true;
1113  	 	 	 	 	 	 break;
1114  	 	 	 	 	 }
1115  	 	 	 	 }
1116  	 	 	 	 if ($autoinc && sizeof($table->keys) == 1) {
1117  	 	 	 	 	 $k = reset($table->keys);
1118  	 	 	 	 	 $this->$k = $this->LastInsertID($db,$k);
1119  	 	 	 	 }
1120  	 	 	 }
1121  
1122  	 	 	 $this->_original = $valarr;
1123  	 	 }
1124  	 	 return $ok;
1125  	 }
1126  
1127  	 // returns 0 on error, 1 on update, -1 if no change in data (no update)
1128  	function Update()
1129  	 {
1130  	 	 $db = $this->DB();
1131  	 	 if (!$db) {
1132  	 	 	 return false;
1133  	 	 }
1134  	 	 $table = $this->TableInfo();
1135  
1136  	 	 $where = $this->GenWhere($db, $table);
1137  
1138  	 	 if (!$where) {
1139  	 	 	 $this->error("Where missing for table $table", "Update");
1140  	 	 	 return false;
1141  	 	 }
1142  	 	 $valarr = array();
1143  	 	 $neworig = array();
1144  	 	 $pairs = array();
1145  	 	 $i = -1;
1146  	 	 $cnt = 0;
1147  	 	 foreach($table->flds as $name=>$fld) {
1148  	 	 	 $i += 1;
1149  	 	 	 $val = $this->$name;
1150  	 	 	 $neworig[] = $val;
1151  
1152  	 	 	 if (isset($table->keys[$name])) {
1153  	 	 	 	 continue;
1154  	 	 	 }
1155  
1156  	 	 	 if (is_null($val)) {
1157  	 	 	 	 if (isset($fld->not_null) && $fld->not_null) {
1158  	 	 	 	 	 if (isset($fld->default_value) && strlen($fld->default_value)) {
1159  	 	 	 	 	 	 continue;
1160  	 	 	 	 	 }
1161  	 	 	 	 	 else {
1162  	 	 	 	 	 	 $this->Error("Cannot set field $name to NULL","Update");
1163  	 	 	 	 	 	 return false;
1164  	 	 	 	 	 }
1165  	 	 	 	 }
1166  	 	 	 }
1167  
1168  	 	 	 if (isset($this->_original[$i]) && $val === $this->_original[$i]) {
1169  	 	 	 	 continue;
1170  	 	 	 }
1171  	 	 	 $valarr[] = $val;
1172  	 	 	 $pairs[] = $name.'='.$db->Param($cnt);
1173  	 	 	 $cnt += 1;
1174  	 	 }
1175  
1176  
1177  	 	 if (!$cnt) {
1178  	 	 	 return -1;
1179  	 	 }
1180  	 	 $sql = 'UPDATE '.$this->_table." SET ".implode(",",$pairs)." WHERE ".$where;
1181  	 	 $ok = $db->Execute($sql,$valarr);
1182  	 	 if ($ok) {
1183  	 	 	 $this->_original = $neworig;
1184  	 	 	 return 1;
1185  	 	 }
1186  	 	 return 0;
1187  	 }
1188  
1189  	function GetAttributeNames()
1190  	 {
1191  	 	 $table = $this->TableInfo();
1192  	 	 if (!$table) {
1193  	 	 	 return false;
1194  	 	 }
1195  	 	 return array_keys($table->flds);
1196  	 }
1197  
1198  };
1199  
1200  function adodb_GetActiveRecordsClass(&$db, $class, $tableObj,$whereOrderBy,$bindarr, $primkeyArr,
1201  	 	 	 $extra, $relations)
1202  {
1203  	 global $_ADODB_ACTIVE_DBS;
1204  
1205  	 	 if (empty($extra['loading'])) {
1206  	 	 	 $extra['loading'] = ADODB_LAZY_AR;
1207  	 	 }
1208  	 	 $save = $db->SetFetchMode(ADODB_FETCH_NUM);
1209  	 	 $table = &$tableObj->_table;
1210  	 	 $tableInfo =& $tableObj->TableInfo();
1211  	 	 if(($k = reset($tableInfo->keys))) {
1212  	 	 	 $myId = $k;
1213  	 	 }
1214  	 	 else {
1215  	 	 	 $myId = 'id';
1216  	 	 }
1217  	 	 $index = 0; $found = false;
1218  	 	 /** @todo Improve by storing once and for all in table metadata */
1219  	 	 /** @todo Also re-use info for hasManyId */
1220  	 	 foreach($tableInfo->flds as $fld)
1221  	 	 {
1222  	 	 	 if($fld->name == $myId) {
1223  	 	 	 	 $found = true;
1224  	 	 	 	 break;
1225  	 	 	 }
1226  	 	 	 $index++;
1227  	 	 }
1228  	 	 if(!$found) {
1229  	 	 	 $db->outp_throw("Unable to locate key $myId for $class in GetActiveRecordsClass()",'GetActiveRecordsClass');
1230  	 	 }
1231  
1232  	 	 $qry = "select * from ".$table;
1233  	 	 if(ADODB_JOIN_AR == $extra['loading']) {
1234  	 	 	 if(!empty($relations['belongsTo'])) {
1235  	 	 	 	 foreach($relations['belongsTo'] as $foreignTable) {
1236  	 	 	 	 	 if(($k = reset($foreignTable->TableInfo()->keys))) {
1237  	 	 	 	 	 	 $belongsToId = $k;
1238  	 	 	 	 	 }
1239  	 	 	 	 	 else {
1240  	 	 	 	 	 	 $belongsToId = 'id';
1241  	 	 	 	 	 }
1242  
1243  	 	 	 	 	 $qry .= ' LEFT JOIN '.$foreignTable->_table.' ON '.
1244  	 	 	 	 	 	 $table.'.'.$foreignTable->foreignKey.'='.
1245  	 	 	 	 	 	 $foreignTable->_table.'.'.$belongsToId;
1246  	 	 	 	 }
1247  	 	 	 }
1248  	 	 	 if(!empty($relations['hasMany'])) {
1249  	 	 	 	 if(empty($relations['foreignName'])) {
1250  	 	 	 	 	 $db->outp_throw("Missing foreignName is relation specification in GetActiveRecordsClass()",'GetActiveRecordsClass');
1251  	 	 	 	 }
1252  	 	 	 	 if(($k = reset($tableInfo->keys))) {
1253  	 	 	 	 	 $hasManyId   = $k;
1254  	 	 	 	 }
1255  	 	 	 	 else {
1256  	 	 	 	 	 $hasManyId   = 'id';
1257  	 	 	 	 }
1258  
1259  	 	 	 	 foreach($relations['hasMany'] as $foreignTable) {
1260  	 	 	 	 	 $qry .= ' LEFT JOIN '.$foreignTable->_table.' ON '.
1261  	 	 	 	 	 	 $table.'.'.$hasManyId.'='.
1262  	 	 	 	 	 	 $foreignTable->_table.'.'.$foreignTable->foreignKey;
1263  	 	 	 	 }
1264  	 	 	 }
1265  	 	 }
1266  	 	 if (!empty($whereOrderBy)) {
1267  	 	 	 $qry .= ' WHERE '.$whereOrderBy;
1268  	 	 }
1269  	 	 if(isset($extra['limit'])) {
1270  	 	 	 $rows = false;
1271  	 	 	 if(isset($extra['offset'])) {
1272  	 	 	 	 $rs = $db->SelectLimit($qry, $extra['limit'], $extra['offset']);
1273  	 	 	 } else {
1274  	 	 	 	 $rs = $db->SelectLimit($qry, $extra['limit']);
1275  	 	 	 }
1276  	 	 	 if ($rs) {
1277  	 	 	 	 while (!$rs->EOF) {
1278  	 	 	 	 	 $rows[] = $rs->fields;
1279  	 	 	 	 	 $rs->MoveNext();
1280  	 	 	 	 }
1281  	 	 	 }
1282  	 	 } else
1283  	 	 	 $rows = $db->GetAll($qry,$bindarr);
1284  
1285  	 	 $db->SetFetchMode($save);
1286  
1287  	 	 $false = false;
1288  
1289  	 	 if ($rows === false) {
1290  	 	 	 return $false;
1291  	 	 }
1292  
1293  
1294  	 	 if (!isset($_ADODB_ACTIVE_DBS)) {
1295  	 	 	 include_once (ADODB_DIR.'/adodb-active-record.inc.php');
1296  	 	 }
1297  	 	 if (!class_exists($class)) {
1298  	 	 	 $db->outp_throw("Unknown class $class in GetActiveRecordsClass()",'GetActiveRecordsClass');
1299  	 	 	 return $false;
1300  	 	 }
1301  	 	 $uniqArr = array(); // CFR Keep track of records for relations
1302  	 	 $arr = array();
1303  	 	 // arrRef will be the structure that knows about our objects.
1304  	 	 // It is an associative array.
1305  	 	 // We will, however, return arr, preserving regular 0.. order so that
1306  	 	 // obj[0] can be used by app developers.
1307  	 	 $arrRef = array();
1308  	 	 $bTos = array(); // Will store belongTo's indices if any
1309  	 	 foreach($rows as $row) {
1310  
1311  	 	 	 $obj = new $class($table,$primkeyArr,$db);
1312  	 	 	 if ($obj->ErrorNo()){
1313  	 	 	 	 $db->_errorMsg = $obj->ErrorMsg();
1314  	 	 	 	 return $false;
1315  	 	 	 }
1316  	 	 	 $obj->Set($row);
1317  	 	 	 // CFR: FIXME: Insane assumption here:
1318  	 	 	 // If the first column returned is an integer, then it's a 'id' field
1319  	 	 	 // And to make things a bit worse, I use intval() rather than is_int() because, in fact,
1320  	 	 	 // $row[0] is not an integer.
1321  	 	 	 //
1322  	 	 	 // So, what does this whole block do?
1323  	 	 	 // When relationships are found, we perform JOINs. This is fast. But not accurate:
1324  	 	 	 // instead of returning n objects with their n' associated cousins,
1325  	 	 	 // we get n*n' objects. This code fixes this.
1326  	 	 	 // Note: to-many relationships mess around with the 'limit' parameter
1327  	 	 	 $rowId = intval($row[$index]);
1328  
1329  	 	 	 if(ADODB_WORK_AR == $extra['loading']) {
1330  	 	 	 	 $arrRef[$rowId] = $obj;
1331  	 	 	 	 $arr[] = &$arrRef[$rowId];
1332  	 	 	 	 if(!isset($indices)) {
1333  	 	 	 	 	 $indices = $rowId;
1334  	 	 	 	 }
1335  	 	 	 	 else {
1336  	 	 	 	 	 $indices .= ','.$rowId;
1337  	 	 	 	 }
1338  	 	 	 	 if(!empty($relations['belongsTo'])) {
1339  	 	 	 	 	 foreach($relations['belongsTo'] as $foreignTable) {
1340  	 	 	 	 	 	 $foreignTableRef = $foreignTable->foreignKey;
1341  	 	 	 	 	 	 // First array: list of foreign ids we are looking for
1342  	 	 	 	 	 	 if(empty($bTos[$foreignTableRef])) {
1343  	 	 	 	 	 	 	 $bTos[$foreignTableRef] = array();
1344  	 	 	 	 	 	 }
1345  	 	 	 	 	 	 // Second array: list of ids found
1346  	 	 	 	 	 	 if(empty($obj->$foreignTableRef)) {
1347  	 	 	 	 	 	 	 continue;
1348  	 	 	 	 	 	 }
1349  	 	 	 	 	 	 if(empty($bTos[$foreignTableRef][$obj->$foreignTableRef])) {
1350  	 	 	 	 	 	 	 $bTos[$foreignTableRef][$obj->$foreignTableRef] = array();
1351  	 	 	 	 	 	 }
1352  	 	 	 	 	 	 $bTos[$foreignTableRef][$obj->$foreignTableRef][] = $obj;
1353  	 	 	 	 	 }
1354  	 	 	 	 }
1355  	 	 	 	 continue;
1356  	 	 	 }
1357  
1358  	 	 	 if($rowId>0) {
1359  	 	 	 	 if(ADODB_JOIN_AR == $extra['loading']) {
1360  	 	 	 	 	 $isNewObj = !isset($uniqArr['_'.$row[0]]);
1361  	 	 	 	 	 if($isNewObj) {
1362  	 	 	 	 	 	 $uniqArr['_'.$row[0]] = $obj;
1363  	 	 	 	 	 }
1364  
1365  	 	 	 	 	 // TODO Copy/paste code below: bad!
1366  	 	 	 	 	 if(!empty($relations['hasMany'])) {
1367  	 	 	 	 	 	 foreach($relations['hasMany'] as $foreignTable) {
1368  	 	 	 	 	 	 	 $foreignName = $foreignTable->foreignName;
1369  	 	 	 	 	 	 	 if(!empty($obj->$foreignName)) {
1370  	 	 	 	 	 	 	 	 $masterObj = &$uniqArr['_'.$row[0]];
1371  	 	 	 	 	 	 	 	 // Assumption: this property exists in every object since they are instances of the same class
1372  	 	 	 	 	 	 	 	 if(!is_array($masterObj->$foreignName)) {
1373  	 	 	 	 	 	 	 	 	 // Pluck!
1374  	 	 	 	 	 	 	 	 	 $foreignObj = $masterObj->$foreignName;
1375  	 	 	 	 	 	 	 	 	 $masterObj->$foreignName = array(clone($foreignObj));
1376  	 	 	 	 	 	 	 	 }
1377  	 	 	 	 	 	 	 	 else {
1378  	 	 	 	 	 	 	 	 	 // Pluck pluck!
1379  	 	 	 	 	 	 	 	 	 $foreignObj = $obj->$foreignName;
1380  	 	 	 	 	 	 	 	 	 array_push($masterObj->$foreignName, clone($foreignObj));
1381  	 	 	 	 	 	 	 	 }
1382  	 	 	 	 	 	 	 }
1383  	 	 	 	 	 	 }
1384  	 	 	 	 	 }
1385  	 	 	 	 	 if(!empty($relations['belongsTo'])) {
1386  	 	 	 	 	 	 foreach($relations['belongsTo'] as $foreignTable) {
1387  	 	 	 	 	 	 	 $foreignName = $foreignTable->foreignName;
1388  	 	 	 	 	 	 	 if(!empty($obj->$foreignName)) {
1389  	 	 	 	 	 	 	 	 $masterObj = &$uniqArr['_'.$row[0]];
1390  	 	 	 	 	 	 	 	 // Assumption: this property exists in every object since they are instances of the same class
1391  	 	 	 	 	 	 	 	 if(!is_array($masterObj->$foreignName)) {
1392  	 	 	 	 	 	 	 	 	 // Pluck!
1393  	 	 	 	 	 	 	 	 	 $foreignObj = $masterObj->$foreignName;
1394  	 	 	 	 	 	 	 	 	 $masterObj->$foreignName = array(clone($foreignObj));
1395  	 	 	 	 	 	 	 	 }
1396  	 	 	 	 	 	 	 	 else {
1397  	 	 	 	 	 	 	 	 	 // Pluck pluck!
1398  	 	 	 	 	 	 	 	 	 $foreignObj = $obj->$foreignName;
1399  	 	 	 	 	 	 	 	 	 array_push($masterObj->$foreignName, clone($foreignObj));
1400  	 	 	 	 	 	 	 	 }
1401  	 	 	 	 	 	 	 }
1402  	 	 	 	 	 	 }
1403  	 	 	 	 	 }
1404  	 	 	 	 	 if(!$isNewObj) {
1405  	 	 	 	 	 	 unset($obj); // We do not need this object itself anymore and do not want it re-added to the main array
1406  	 	 	 	 	 }
1407  	 	 	 	 }
1408  	 	 	 	 else if(ADODB_LAZY_AR == $extra['loading']) {
1409  	 	 	 	 	 // Lazy loading: we need to give AdoDb a hint that we have not really loaded
1410  	 	 	 	 	 // anything, all the while keeping enough information on what we wish to load.
1411  	 	 	 	 	 // Let's do this by keeping the relevant info in our relationship arrays
1412  	 	 	 	 	 // but get rid of the actual properties.
1413  	 	 	 	 	 // We will then use PHP's __get to load these properties on-demand.
1414  	 	 	 	 	 if(!empty($relations['hasMany'])) {
1415  	 	 	 	 	 	 foreach($relations['hasMany'] as $foreignTable) {
1416  	 	 	 	 	 	 	 $foreignName = $foreignTable->foreignName;
1417  	 	 	 	 	 	 	 if(!empty($obj->$foreignName)) {
1418  	 	 	 	 	 	 	 	 unset($obj->$foreignName);
1419  	 	 	 	 	 	 	 }
1420  	 	 	 	 	 	 }
1421  	 	 	 	 	 }
1422  	 	 	 	 	 if(!empty($relations['belongsTo'])) {
1423  	 	 	 	 	 	 foreach($relations['belongsTo'] as $foreignTable) {
1424  	 	 	 	 	 	 	 $foreignName = $foreignTable->foreignName;
1425  	 	 	 	 	 	 	 if(!empty($obj->$foreignName)) {
1426  	 	 	 	 	 	 	 	 unset($obj->$foreignName);
1427  	 	 	 	 	 	 	 }
1428  	 	 	 	 	 	 }
1429  	 	 	 	 	 }
1430  	 	 	 	 }
1431  	 	 	 }
1432  
1433  	 	 	 if(isset($obj)) {
1434  	 	 	 	 $arr[] = $obj;
1435  	 	 	 }
1436  	 	 }
1437  
1438  	 	 if(ADODB_WORK_AR == $extra['loading']) {
1439  	 	 	 // The best of both worlds?
1440  	 	 	 // Here, the number of queries is constant: 1 + n*relationship.
1441  	 	 	 // The second query will allow us to perform a good join
1442  	 	 	 // while preserving LIMIT etc.
1443  	 	 	 if(!empty($relations['hasMany'])) {
1444  	 	 	 	 foreach($relations['hasMany'] as $foreignTable) {
1445  	 	 	 	 	 $foreignName = $foreignTable->foreignName;
1446  	 	 	 	 	 $className = ucfirst($foreignTable->_singularize($foreignName));
1447  	 	 	 	 	 $obj = new $className();
1448  	 	 	 	 	 $dbClassRef = $foreignTable->foreignKey;
1449  	 	 	 	 	 $objs = $obj->packageFind($dbClassRef.' IN ('.$indices.')');
1450  	 	 	 	 	 foreach($objs as $obj) {
1451  	 	 	 	 	 	 if(!is_array($arrRef[$obj->$dbClassRef]->$foreignName)) {
1452  	 	 	 	 	 	 	 $arrRef[$obj->$dbClassRef]->$foreignName = array();
1453  	 	 	 	 	 	 }
1454  	 	 	 	 	 	 array_push($arrRef[$obj->$dbClassRef]->$foreignName, $obj);
1455  	 	 	 	 	 }
1456  	 	 	 	 }
1457  
1458  	 	 	 }
1459  	 	 	 if(!empty($relations['belongsTo'])) {
1460  	 	 	 	 foreach($relations['belongsTo'] as $foreignTable) {
1461  	 	 	 	 	 $foreignTableRef = $foreignTable->foreignKey;
1462  	 	 	 	 	 if(empty($bTos[$foreignTableRef])) {
1463  	 	 	 	 	 	 continue;
1464  	 	 	 	 	 }
1465  	 	 	 	 	 if(($k = reset($foreignTable->TableInfo()->keys))) {
1466  	 	 	 	 	 	 $belongsToId = $k;
1467  	 	 	 	 	 }
1468  	 	 	 	 	 else {
1469  	 	 	 	 	 	 $belongsToId = 'id';
1470  	 	 	 	 	 }
1471  	 	 	 	 	 $origObjsArr = $bTos[$foreignTableRef];
1472  	 	 	 	 	 $bTosString = implode(',', array_keys($bTos[$foreignTableRef]));
1473  	 	 	 	 	 $foreignName = $foreignTable->foreignName;
1474  	 	 	 	 	 $className = ucfirst($foreignTable->_singularize($foreignName));
1475  	 	 	 	 	 $obj = new $className();
1476  	 	 	 	 	 $objs = $obj->packageFind($belongsToId.' IN ('.$bTosString.')');
1477  	 	 	 	 	 foreach($objs as $obj)
1478  	 	 	 	 	 {
1479  	 	 	 	 	 	 foreach($origObjsArr[$obj->$belongsToId] as $idx=>$origObj)
1480  	 	 	 	 	 	 {
1481  	 	 	 	 	 	 	 $origObj->$foreignName = $obj;
1482  	 	 	 	 	 	 }
1483  	 	 	 	 	 }
1484  	 	 	 	 }
1485  	 	 	 }
1486  	 	 }
1487  
1488  	 	 return $arr;
1489  }