971 lines
25 KiB
PHP
971 lines
25 KiB
PHP
<?php
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/*
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@version V5.08 6 Apr 2009 (c) 2000-2009 John Lim (jlim#natsoft.com). All rights reserved.
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Latest version is available at http://adodb.sourceforge.net
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Active Record implementation. Superset of Zend Framework's.
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Version 0.92
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See http://www-128.ibm.com/developerworks/java/library/j-cb03076/?ca=dgr-lnxw01ActiveRecord
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for info on Ruby on Rails Active Record implementation
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*/
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global $_ADODB_ACTIVE_DBS;
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global $ADODB_ACTIVE_CACHESECS; // set to true to enable caching of metadata such as field info
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global $ACTIVE_RECORD_SAFETY; // set to false to disable safety checks
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global $ADODB_ACTIVE_DEFVALS; // use default values of table definition when creating new active record.
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// array of ADODB_Active_DB's, indexed by ADODB_Active_Record->_dbat
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$_ADODB_ACTIVE_DBS = array();
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$ACTIVE_RECORD_SAFETY = true;
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$ADODB_ACTIVE_DEFVALS = false;
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class ADODB_Active_DB {
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var $db; // ADOConnection
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var $tables; // assoc array of ADODB_Active_Table objects, indexed by tablename
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}
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class ADODB_Active_Table {
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var $name; // table name
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var $flds; // assoc array of adofieldobjs, indexed by fieldname
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var $keys; // assoc array of primary keys, indexed by fieldname
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var $_created; // only used when stored as a cached file
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var $_belongsTo = array();
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var $_hasMany = array();
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}
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// $db = database connection
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// $index = name of index - can be associative, for an example see
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// http://phplens.com/lens/lensforum/msgs.php?id=17790
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// returns index into $_ADODB_ACTIVE_DBS
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function ADODB_SetDatabaseAdapter(&$db, $index=false)
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{
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global $_ADODB_ACTIVE_DBS;
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foreach($_ADODB_ACTIVE_DBS as $k => $d) {
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if (PHP_VERSION >= 5) {
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if ($d->db === $db) return $k;
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} else {
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if ($d->db->_connectionID === $db->_connectionID && $db->database == $d->db->database)
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return $k;
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}
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}
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$obj = new ADODB_Active_DB();
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$obj->db = $db;
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$obj->tables = array();
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if ($index == false) $index = sizeof($_ADODB_ACTIVE_DBS);
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$_ADODB_ACTIVE_DBS[$index] = $obj;
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return sizeof($_ADODB_ACTIVE_DBS)-1;
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}
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class ADODB_Active_Record {
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static $_changeNames = true; // dynamically pluralize table names
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static $_foreignSuffix = '_id'; //
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var $_dbat; // associative index pointing to ADODB_Active_DB eg. $ADODB_Active_DBS[_dbat]
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var $_table; // tablename, if set in class definition then use it as table name
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var $_tableat; // associative index pointing to ADODB_Active_Table, eg $ADODB_Active_DBS[_dbat]->tables[$this->_tableat]
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var $_where; // where clause set in Load()
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var $_saved = false; // indicates whether data is already inserted.
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var $_lasterr = false; // last error message
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var $_original = false; // the original values loaded or inserted, refreshed on update
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var $foreignName; // CFR: class name when in a relationship
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static function UseDefaultValues($bool=null)
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{
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global $ADODB_ACTIVE_DEFVALS;
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if (isset($bool)) $ADODB_ACTIVE_DEFVALS = $bool;
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return $ADODB_ACTIVE_DEFVALS;
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}
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// should be static
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static function SetDatabaseAdapter(&$db, $index=false)
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{
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return ADODB_SetDatabaseAdapter($db, $index);
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}
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public function __set($name, $value)
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{
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$name = str_replace(' ', '_', $name);
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$this->$name = $value;
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}
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// php5 constructor
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function __construct($table = false, $pkeyarr=false, $db=false)
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{
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global $ADODB_ASSOC_CASE,$_ADODB_ACTIVE_DBS;
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if ($db == false && is_object($pkeyarr)) {
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$db = $pkeyarr;
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$pkeyarr = false;
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}
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if (!$table) {
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if (!empty($this->_table)) $table = $this->_table;
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else $table = $this->_pluralize(get_class($this));
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}
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$this->foreignName = strtolower(get_class($this)); // CFR: default foreign name
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if ($db) {
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$this->_dbat = ADODB_Active_Record::SetDatabaseAdapter($db);
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} else if (!isset($this->_dbat)) {
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if (sizeof($_ADODB_ACTIVE_DBS) == 0) $this->Error("No database connection set; use ADOdb_Active_Record::SetDatabaseAdapter(\$db)",'ADODB_Active_Record::__constructor');
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end($_ADODB_ACTIVE_DBS);
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$this->_dbat = key($_ADODB_ACTIVE_DBS);
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}
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$this->_table = $table;
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$this->_tableat = $table; # reserved for setting the assoc value to a non-table name, eg. the sql string in future
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$this->UpdateActiveTable($pkeyarr);
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}
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function __wakeup()
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{
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$class = get_class($this);
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new $class;
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}
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function _pluralize($table)
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{
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if (!ADODB_Active_Record::$_changeNames) return $table;
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$ut = strtoupper($table);
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$len = strlen($table);
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$lastc = $ut[$len-1];
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$lastc2 = substr($ut,$len-2);
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switch ($lastc) {
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case 'S':
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return $table.'es';
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case 'Y':
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return substr($table,0,$len-1).'ies';
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case 'X':
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return $table.'es';
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case 'H':
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if ($lastc2 == 'CH' || $lastc2 == 'SH')
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return $table.'es';
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default:
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return $table.'s';
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}
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}
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// CFR Lamest singular inflector ever - @todo Make it real!
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// Note: There is an assumption here...and it is that the argument's length >= 4
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function _singularize($tables)
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{
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if (!ADODB_Active_Record::$_changeNames) return $table;
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$ut = strtoupper($tables);
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$len = strlen($tables);
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if($ut[$len-1] != 'S')
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return $tables; // I know...forget oxen
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if($ut[$len-2] != 'E')
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return substr($tables, 0, $len-1);
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switch($ut[$len-3])
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{
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case 'S':
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case 'X':
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return substr($tables, 0, $len-2);
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case 'I':
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return substr($tables, 0, $len-3) . 'y';
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case 'H';
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if($ut[$len-4] == 'C' || $ut[$len-4] == 'S')
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return substr($tables, 0, $len-2);
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default:
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return substr($tables, 0, $len-1); // ?
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}
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}
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function hasMany($foreignRef, $foreignKey = false, $foreignClass = 'ADODB_Active_Record')
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{
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$ar = new $foreignClass($foreignRef);
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$ar->foreignName = $foreignRef;
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$ar->UpdateActiveTable();
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$ar->foreignKey = ($foreignKey) ? $foreignKey : $foreignRef.ADODB_Active_Record::$_foreignSuffix;
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$table =& $this->TableInfo();
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$table->_hasMany[$foreignRef] = $ar;
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# $this->$foreignRef = $this->_hasMany[$foreignRef]; // WATCHME Removed assignment by ref. to please __get()
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}
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// use when you don't want ADOdb to auto-pluralize tablename
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static function TableHasMany($table, $foreignRef, $foreignKey = false, $foreignClass = 'ADODB_Active_Record')
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{
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$ar = new ADODB_Active_Record($table);
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$ar->hasMany($foreignRef, $foreignKey, $foreignClass);
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}
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// use when you don't want ADOdb to auto-pluralize tablename
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static function TableKeyHasMany($table, $tablePKey, $foreignRef, $foreignKey = false, $foreignClass = 'ADODB_Active_Record')
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{
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if (!is_array($tablePKey)) $tablePKey = array($tablePKey);
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$ar = new ADODB_Active_Record($table,$tablePKey);
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$ar->hasMany($foreignRef, $foreignKey, $foreignClass);
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}
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// use when you want ADOdb to auto-pluralize tablename for you. Note that the class must already be defined.
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// e.g. class Person will generate relationship for table Persons
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static function ClassHasMany($parentclass, $foreignRef, $foreignKey = false, $foreignClass = 'ADODB_Active_Record')
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{
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$ar = new $parentclass();
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$ar->hasMany($foreignRef, $foreignKey, $foreignClass);
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}
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function belongsTo($foreignRef,$foreignKey=false, $parentKey='', $parentClass = 'ADODB_Active_Record')
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{
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global $inflector;
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$ar = new $parentClass($this->_pluralize($foreignRef));
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$ar->foreignName = $foreignRef;
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$ar->parentKey = $parentKey;
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$ar->UpdateActiveTable();
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$ar->foreignKey = ($foreignKey) ? $foreignKey : $foreignRef.ADODB_Active_Record::$_foreignSuffix;
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$table =& $this->TableInfo();
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$table->_belongsTo[$foreignRef] = $ar;
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# $this->$foreignRef = $this->_belongsTo[$foreignRef];
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}
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static function ClassBelongsTo($class, $foreignRef, $foreignKey=false, $parentKey='', $parentClass = 'ADODB_Active_Record')
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{
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$ar = new $class();
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$ar->belongsTo($foreignRef, $foreignKey, $parentKey, $parentClass);
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}
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static function TableBelongsTo($table, $foreignRef, $foreignKey=false, $parentKey='', $parentClass = 'ADODB_Active_Record')
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{
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$ar = new ADOdb_Active_Record($table);
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$ar->belongsTo($foreignRef, $foreignKey, $parentKey, $parentClass);
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}
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static function TableKeyBelongsTo($table, $tablePKey, $foreignRef, $foreignKey=false, $parentKey='', $parentClass = 'ADODB_Active_Record')
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{
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if (!is_array($tablePKey)) $tablePKey = array($tablePKey);
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$ar = new ADOdb_Active_Record($table, $tablePKey);
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$ar->belongsTo($foreignRef, $foreignKey, $parentKey, $parentClass);
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}
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/**
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* __get Access properties - used for lazy loading
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*
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* @param mixed $name
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* @access protected
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* @return mixed
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*/
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function __get($name)
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{
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return $this->LoadRelations($name, '', -1, -1);
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}
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/**
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* @param string $name
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* @param string $whereOrderBy : eg. ' AND field1 = value ORDER BY field2'
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* @param offset
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* @param limit
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* @return mixed
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*/
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function LoadRelations($name, $whereOrderBy='', $offset=-1,$limit=-1)
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{
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$extras = array();
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$table = $this->TableInfo();
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if ($limit >= 0) $extras['limit'] = $limit;
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if ($offset >= 0) $extras['offset'] = $offset;
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if (strlen($whereOrderBy))
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if (!preg_match('/^[ \n\r]*AND/i',$whereOrderBy))
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if (!preg_match('/^[ \n\r]*ORDER[ \n\r]/i',$whereOrderBy))
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$whereOrderBy = 'AND '.$whereOrderBy;
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if(!empty($table->_belongsTo[$name]))
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{
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$obj = $table->_belongsTo[$name];
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$columnName = $obj->foreignKey;
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if(empty($this->$columnName))
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$this->$name = null;
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else
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{
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if ($obj->parentKey) $key = $obj->parentKey;
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else $key = reset($table->keys);
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$arrayOfOne = $obj->Find($key.'='.$this->$columnName.' '.$whereOrderBy,false,false,$extras);
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if ($arrayOfOne) {
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$this->$name = $arrayOfOne[0];
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return $arrayOfOne[0];
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}
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}
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}
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if(!empty($table->_hasMany[$name]))
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{
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$obj = $table->_hasMany[$name];
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$key = reset($table->keys);
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$id = @$this->$key;
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if (!is_numeric($id)) {
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$db = $this->DB();
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$id = $db->qstr($id);
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}
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$objs = $obj->Find($obj->foreignKey.'='.$id. ' '.$whereOrderBy,false,false,$extras);
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if (!$objs) $objs = array();
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$this->$name = $objs;
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return $objs;
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}
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return array();
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}
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//////////////////////////////////
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// update metadata
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function UpdateActiveTable($pkeys=false,$forceUpdate=false)
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{
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global $ADODB_ASSOC_CASE,$_ADODB_ACTIVE_DBS , $ADODB_CACHE_DIR, $ADODB_ACTIVE_CACHESECS;
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global $ADODB_ACTIVE_DEFVALS,$ADODB_FETCH_MODE;
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$activedb = $_ADODB_ACTIVE_DBS[$this->_dbat];
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$table = $this->_table;
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$tables = $activedb->tables;
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$tableat = $this->_tableat;
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if (!$forceUpdate && !empty($tables[$tableat])) {
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$tobj = $tables[$tableat];
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foreach($tobj->flds as $name => $fld) {
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if ($ADODB_ACTIVE_DEFVALS && isset($fld->default_value))
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$this->$name = $fld->default_value;
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else
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$this->$name = null;
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}
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return;
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}
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$db = $activedb->db;
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$fname = $ADODB_CACHE_DIR . '/adodb_' . $db->databaseType . '_active_'. $table . '.cache';
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if (!$forceUpdate && $ADODB_ACTIVE_CACHESECS && $ADODB_CACHE_DIR && file_exists($fname)) {
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$fp = fopen($fname,'r');
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@flock($fp, LOCK_SH);
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$acttab = unserialize(fread($fp,100000));
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fclose($fp);
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if ($acttab->_created + $ADODB_ACTIVE_CACHESECS - (abs(rand()) % 16) > time()) {
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// abs(rand()) randomizes deletion, reducing contention to delete/refresh file
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// ideally, you should cache at least 32 secs
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$activedb->tables[$table] = $acttab;
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//if ($db->debug) ADOConnection::outp("Reading cached active record file: $fname");
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return;
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} else if ($db->debug) {
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ADOConnection::outp("Refreshing cached active record file: $fname");
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}
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}
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$activetab = new ADODB_Active_Table();
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$activetab->name = $table;
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$save = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
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if ($db->fetchMode !== false) $savem = $db->SetFetchMode(false);
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$cols = $db->MetaColumns($table);
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if (isset($savem)) $db->SetFetchMode($savem);
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$ADODB_FETCH_MODE = $save;
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if (!$cols) {
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$this->Error("Invalid table name: $table",'UpdateActiveTable');
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return false;
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}
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$fld = reset($cols);
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if (!$pkeys) {
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if (isset($fld->primary_key)) {
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$pkeys = array();
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foreach($cols as $name => $fld) {
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if (!empty($fld->primary_key)) $pkeys[] = $name;
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}
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} else
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$pkeys = $this->GetPrimaryKeys($db, $table);
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}
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if (empty($pkeys)) {
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$this->Error("No primary key found for table $table",'UpdateActiveTable');
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return false;
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}
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$attr = array();
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$keys = array();
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switch($ADODB_ASSOC_CASE) {
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case 0:
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foreach($cols as $name => $fldobj) {
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$name = strtolower($name);
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if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value))
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$this->$name = $fldobj->default_value;
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else
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$this->$name = null;
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$attr[$name] = $fldobj;
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}
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foreach($pkeys as $k => $name) {
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$keys[strtolower($name)] = strtolower($name);
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}
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break;
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case 1:
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foreach($cols as $name => $fldobj) {
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$name = strtoupper($name);
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if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value))
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$this->$name = $fldobj->default_value;
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else
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$this->$name = null;
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$attr[$name] = $fldobj;
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}
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foreach($pkeys as $k => $name) {
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$keys[strtoupper($name)] = strtoupper($name);
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}
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break;
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default:
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foreach($cols as $name => $fldobj) {
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$name = ($fldobj->name);
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if ($ADODB_ACTIVE_DEFVALS && isset($fldobj->default_value))
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$this->$name = $fldobj->default_value;
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else
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$this->$name = null;
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$attr[$name] = $fldobj;
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}
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foreach($pkeys as $k => $name) {
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$keys[$name] = $cols[$name]->name;
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}
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break;
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}
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$activetab->keys = $keys;
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$activetab->flds = $attr;
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if ($ADODB_ACTIVE_CACHESECS && $ADODB_CACHE_DIR) {
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$activetab->_created = time();
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$s = serialize($activetab);
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if (!function_exists('adodb_write_file')) include(ADODB_DIR.'/adodb-csvlib.inc.php');
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adodb_write_file($fname,$s);
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}
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if (isset($activedb->tables[$table])) {
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$oldtab = $activedb->tables[$table];
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if ($oldtab) $activetab->_belongsTo = $oldtab->_belongsTo;
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if ($oldtab) $activetab->_hasMany = $oldtab->_hasMany;
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}
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$activedb->tables[$table] = $activetab;
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}
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function GetPrimaryKeys(&$db, $table)
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{
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return $db->MetaPrimaryKeys($table);
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}
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// error handler for both PHP4+5.
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function Error($err,$fn)
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{
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global $_ADODB_ACTIVE_DBS;
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$fn = get_class($this).'::'.$fn;
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$this->_lasterr = $fn.': '.$err;
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|
|
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) {
|
|
// this might not work reliably in multi-user environment
|
|
return $db->GetOne("select max(".$fieldname.") from ".$this->_table);
|
|
}
|
|
return $val;
|
|
}
|
|
|
|
// quote data in where clause
|
|
function doquote(&$db, $val,$t)
|
|
{
|
|
switch($t) {
|
|
case 'D':
|
|
case 'T':
|
|
if (empty($val)) return 'null';
|
|
|
|
case 'B':
|
|
case 'N':
|
|
case 'C':
|
|
case 'X':
|
|
if (is_null($val)) return 'null';
|
|
|
|
if (strlen($val)>1 &&
|
|
(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) {
|
|
$parr[] = $k.' = '.$this->doquote($db,$this->$k,$db->MetaType($f->type));
|
|
}
|
|
}
|
|
return implode(' and ', $parr);
|
|
}
|
|
|
|
|
|
//------------------------------------------------------------ Public functions below
|
|
|
|
function Load($where=null,$bindarr=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);
|
|
|
|
$qry = "select * from ".$this->_table;
|
|
|
|
if($where) {
|
|
$qry .= ' WHERE '.$where;
|
|
}
|
|
$row = $db->GetRow($qry,$bindarr);
|
|
|
|
if (isset($savem)) $db->SetFetchMode($savem);
|
|
$ADODB_FETCH_MODE = $save;
|
|
|
|
return $this->Set($row);
|
|
}
|
|
|
|
# useful for multiple record inserts
|
|
# see http://phplens.com/lens/lensforum/msgs.php?id=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[] = $name;
|
|
$valstr[] = $db->Param($cnt);
|
|
$cnt += 1;
|
|
}
|
|
}
|
|
|
|
if (empty($names)){
|
|
foreach($table->flds as $name=>$fld) {
|
|
$valarr[] = null;
|
|
$names[] = $name;
|
|
$valstr[] = $db->Param($cnt);
|
|
$cnt += 1;
|
|
}
|
|
}
|
|
$sql = 'INSERT INTO '.$this->_table."(".implode(',',$names).') VALUES ('.implode(',',$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);
|
|
$sql = 'DELETE FROM '.$this->_table.' WHERE '.$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()
|
|
{
|
|
global $ADODB_ASSOC_CASE;
|
|
|
|
$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);
|
|
|
|
|
|
if ($ADODB_ASSOC_CASE == 0)
|
|
foreach($pkey as $k => $v)
|
|
$pkey[$k] = strtolower($v);
|
|
elseif ($ADODB_ASSOC_CASE == 1)
|
|
foreach($pkey as $k => $v)
|
|
$pkey[$k] = strtoupper($v);
|
|
|
|
$ok = $db->Replace($this->_table,$arr,$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]) && $val == $this->_original[$i]) {
|
|
continue;
|
|
}
|
|
$valarr[] = $val;
|
|
$pairs[] = $name.'='.$db->Param($cnt);
|
|
$cnt += 1;
|
|
}
|
|
|
|
|
|
if (!$cnt) return -1;
|
|
$sql = 'UPDATE '.$this->_table." SET ".implode(",",$pairs)." WHERE ".$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($table->flds);
|
|
}
|
|
|
|
};
|
|
|
|
function adodb_GetActiveRecordsClass(&$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']);
|
|
} else {
|
|
$rs = $db->SelectLimit($qry, $extra['limit']);
|
|
}
|
|
if ($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 developpers.
|
|
$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;
|
|
}
|
|
?>
|