killed the experimental activecontrols implementation backported from yii

1 files changed, 0 insertions, 1279 deletions

diff --git a/framework/Testing/Data/ActiveRecord/TActiveFinder.php b/framework/Testing/Data/ActiveRecord/TActiveFinder.php
deleted file mode 100644
index d1c35bdf..00000000
--- a/framework/Testing/Data/ActiveRecord/TActiveFinder.php
+++ /dev/null
@@ -1,1279 +0,0 @@
-<?php
-/**
- * CActiveRecord class file.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @link http://www.yiiframework.com/
- * @copyright Copyright &copy; 2008-2009 Yii Software LLC
- * @license http://www.yiiframework.com/license/CBaseActiveRelation*/
-
-/**
- * CActiveFinder implements eager loading and lazy loading of related active records.
- *
- * When used in eager loading, this class provides the same set of find methods as
- * {@link CActiveRecord}.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id: CActiveFinder.php 1127 2009-06-13 20:26:35Z qiang.xue $
- * @package System.Testing.Data.ActiveRecord
- * @since 1.0
- */
-class TActiveFinder extends TComponent
-{
-	/**
-	 * @var boolean join all tables all at once. Defaults to false.
-	 * This property is internally used.
-	 * @since 1.0.2
-	 */
-	public $joinAll=false;
-	/**
-	 * @var boolean whether the base model has limit or offset.
-	 * This property is internally used.
-	 * @since 1.0.2
-	 */
-	public $baseLimited=false;
-
-	private $_joinCount=0;
-	private $_joinTree;
-	private $_builder;
-	private $_criteria;  // the criteria generated via named scope
-
-	/**
-	 * Constructor.
-	 * A join tree is built up based on the declared relationships between active record classes.
-	 * @param CActiveRecord the model that initiates the active finding process
-	 * @param mixed the relation names to be actively looked for
-	 * @param CDbCriteria the criteria associated with the named scopes (since version 1.0.5)
-	 */
-	public function __construct($model,$with,$criteria=null)
-	{
-		$this->_criteria=$criteria;
-		$this->_builder=$model->getCommandBuilder();
-		$this->_joinTree=new TJoinElement($this,$model);
-		$this->buildJoinTree($this->_joinTree,$with);
-	}
-
-	/**
-	 * Uses the most aggressive join approach.
-	 * By calling this method, even if there is LIMIT/OFFSET option set for
-	 * the primary table query, we will still use a single SQL statement.
-	 * By default (without calling this method), the primary table will be queried
-	 * by itself so that LIMIT/OFFSET can be correctly applied.
-	 * @return CActiveFinder the finder object
-	 * @since 1.0.2
-	 */
-	public function together()
-	{
-		$this->joinAll=true;
-		return $this;
-	}
-
-	private function query($criteria,$all=false)
-	{
-		if($this->_criteria!==null)
-		{
-			$this->_criteria->mergeWith($criteria);
-			$criteria=$this->_criteria;
-		}
-
-		$this->_joinTree->find($criteria);
-		$this->_joinTree->afterFind();
-
-		if($all)
-			return array_values($this->_joinTree->records);
-		else if(count($this->_joinTree->records))
-			return reset($this->_joinTree->records);
-		else
-			return null;
-	}
-
-	/**
-	 * This is the relational version of {@link CActiveRecord::find()}.
-	 */
-	public function find($condition='',$params=array())
-	{
-		Prado::trace(get_class($this->_joinTree->model).'.find() eagerly','System.Testing.Data.ActiveRecord.TActiveRecord');
-		$criteria=$this->_builder->createCriteria($condition,$params);
-		return $this->query($criteria);
-	}
-
-	/**
-	 * This is the relational version of {@link CActiveRecord::findAll()}.
-	 */
-	public function findAll($condition='',$params=array())
-	{
-		Prado::trace(get_class($this->_joinTree->model).'.findAll() eagerly','System.Testing.Data.ActiveRecord.TActiveRecord');
-		$criteria=$this->_builder->createCriteria($condition,$params);
-		return $this->query($criteria,true);
-	}
-
-	/**
-	 * This is the relational version of {@link CActiveRecord::findByPk()}.
-	 */
-	public function findByPk($pk,$condition='',$params=array())
-	{
-		Prado::trace(get_class($this->_joinTree->model).'.findByPk() eagerly','System.Testing.Data.ActiveRecord.TActiveRecord');
-		$criteria=$this->_builder->createPkCriteria($this->_joinTree->model->getTableSchema(),$pk,$condition,$params);
-		return $this->query($criteria);
-	}
-
-	/**
-	 * This is the relational version of {@link CActiveRecord::findAllByPk()}.
-	 */
-	public function findAllByPk($pk,$condition='',$params=array())
-	{
-		Prado::trace(get_class($this->_joinTree->model).'.findAllByPk() eagerly','System.Testing.Data.ActiveRecord.TActiveRecord');
-		$criteria=$this->_builder->createPkCriteria($this->_joinTree->model->getTableSchema(),$pk,$condition,$params);
-		return $this->query($criteria,true);
-	}
-
-	/**
-	 * This is  the relational version of {@link CActiveRecord::findByAttributes()}.
-	 */
-	public function findByAttributes($attributes,$condition='',$params=array())
-	{
-		Prado::trace(get_class($this->_joinTree->model).'.findByAttributes() eagerly','System.Testing.Data.ActiveRecord.TActiveRecord');
-		$criteria=$this->_builder->createColumnCriteria($this->_joinTree->model->getTableSchema(),$attributes,$condition,$params);
-		return $this->query($criteria);
-	}
-
-	/**
-	 * This is the relational version of {@link CActiveRecord::findAllByAttributes()}.
-	 */
-	public function findAllByAttributes($attributes,$condition='',$params=array())
-	{
-		Prado::trace(get_class($this->_joinTree->model).'.findAllByAttributes() eagerly','System.Testing.Data.ActiveRecord.TActiveRecord');
-		$criteria=$this->_builder->createColumnCriteria($this->_joinTree->model->getTableSchema(),$attributes,$condition,$params);
-		return $this->query($criteria,true);
-	}
-
-	/**
-	 * This is the relational version of {@link CActiveRecord::findBySql()}.
-	 */
-	public function findBySql($sql,$params=array())
-	{
-		Prado::trace(get_class($this->_joinTree->model).'.findBySql() eagerly','System.Testing.Data.ActiveRecord.TActiveRecord');
-		if(($row=$this->_builder->createSqlCommand($sql,$params)->queryRow())!==false)
-		{
-			$baseRecord=$this->_joinTree->model->populateRecord($row,false);
-			$this->_joinTree->findWithBase($baseRecord);
-			$this->_joinTree->afterFind();
-			return $baseRecord;
-		}
-	}
-
-	/**
-	 * This is the relational version of {@link CActiveRecord::findAllBySql()}.
-	 */
-	public function findAllBySql($sql,$params=array())
-	{
-		Prado::trace(get_class($this->_joinTree->model).'.findAllBySql() eagerly','System.Testing.Data.ActiveRecord.TActiveRecord');
-		if(($rows=$this->_builder->createSqlCommand($sql,$params)->queryAll())!==array())
-		{
-			$baseRecords=$this->_joinTree->model->populateRecords($rows,false);
-			$this->_joinTree->findWithBase($baseRecords);
-			$this->_joinTree->afterFind();
-			return $baseRecords;
-		}
-		else
-			return array();
-	}
-
-	/**
-	 * This is the relational version of {@link CActiveRecord::count()}.
-	 * @since 1.0.3
-	 */
-	public function count($condition='',$params=array())
-	{
-		Prado::trace(get_class($this->_joinTree->model).'.count() eagerly','System.Testing.Data.ActiveRecord.TActiveRecord');
-		$criteria=$this->_builder->createCriteria($condition,$params);
-		if($this->_criteria!==null)
-		{
-			$this->_criteria->mergeWith($criteria);
-			$criteria=$this->_criteria;
-		}
-		return $this->_joinTree->count($criteria);
-	}
-
-	/**
-	 * Finds the related objects for the specified active record.
-	 * This method is internally invoked by {@link CActiveRecord} to support lazy loading.
-	 * @param CActiveRecord the base record whose related objects are to be loaded
-	 */
-	public function lazyFind($baseRecord)
-	{
-		$this->_joinTree->lazyFind($baseRecord);
-		if(!empty($this->_joinTree->children))
-		{
-			$child=reset($this->_joinTree->children);
-			$child->afterFind();
-		}
-	}
-
-	/**
-	 * Builds up the join tree representing the relationships involved in this query.
-	 * @param CJoinElement the parent tree node
-	 * @param mixed the names of the related objects relative to the parent tree node
-	 * @param array additional query options to be merged with the relation
-	 */
-	private function buildJoinTree($parent,$with,$options=null)
-	{
-		if($parent instanceof CStatElement)
-			throw new TDbException('The STAT relation "'.($parent->relation->name).'" cannot have child relations.');
-
-		if(is_string($with))
-		{
-			if(($pos=strrpos($with,'.'))!==false)
-			{
-				$parent=$this->buildJoinTree($parent,substr($with,0,$pos));
-				$with=substr($with,$pos+1);
-			}
-
-			// named scope
-			if(($pos=strpos($with,':'))!==false)
-			{
-				$scopes=explode(':',substr($with,$pos+1));
-				$with=substr($with,0,$pos);
-			}
-
-			if(isset($parent->children[$with]))
-				return $parent->children[$with];
-
-			if(($relation=$parent->model->getActiveRelation($with))===null)
-				throw new TDbException('Relation "'.$with.'" is not defined in active record class "'.get_class($parent->model).'".');
-
-			$relation=clone $relation;
-			$model=TActiveRecord::model($relation->className);
-			if(($scope=$model->defaultScope())!==array())
-				$relation->mergeWith($scope);
-			if(isset($scopes) && !empty($scopes))
-			{
-				$scs=$model->scopes();
-				foreach($scopes as $scope)
-				{
-					if(isset($scs[$scope]))
-						$relation->mergeWith($scs[$scope]);
-					else
-						throw new TDbException('Active record class "'.get_class($model).'" does not have a scope named "'.$scope.'".');
-				}
-			}
-
-			// dynamic options
-			if($options!==null)
-				$relation->mergeWith($options);
-
-			if($relation instanceof TStatRelation)
-				return new TStatElement($this,$relation,$parent);
-			else
-			{
-				$element=$parent->children[$with]=new TJoinElement($this,$relation,$parent,++$this->_joinCount);
-				if(!empty($relation->with))
-					$this->buildJoinTree($element,$relation->with);
-				return $element;
-			}
-		}
-
-		// $with is an array, keys are relation name, values are relation spec
-		foreach($with as $key=>$value)
-		{
-			if(is_string($value))  // the value is a relation name
-				$this->buildJoinTree($parent,$value);
-			else if(is_string($key) && is_array($value))
-				$element=$this->buildJoinTree($parent,$key,$value);
-		}
-	}
-}
-
-
-/**
- * CJoinElement represents a tree node in the join tree created by {@link CActiveFinder}.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id: CActiveFinder.php 1127 2009-06-13 20:26:35Z qiang.xue $
- * @package System.Testing.Data.ActiveRecord
- * @since 1.0
- */
-class TJoinElement
-{
-	/**
-	 * @var integer the unique ID of this tree node
-	 */
-	public $id;
-	/**
-	 * @var CActiveRelation the relation represented by this tree node
-	 */
-	public $relation;
-	/**
-	 * @var CActiveRecord the model associated with this tree node
-	 */
-	public $model;
-	/**
-	 * @var array list of active records found by the queries. They are indexed by primary key values.
-	 */
-	public $records=array();
-	/**
-	 * @var array list of child join elements
-	 */
-	public $children=array();
-	/**
-	 * @var array list of stat elements
-	 * @since 1.0.4
-	 */
-	public $stats=array();
-	/**
-	 * @var string table alias for this join element
-	 */
-	public $tableAlias;
-
-	private $_finder;
-	private $_builder;
-	private $_parent;
-	private $_pkAlias;  				// string or name=>alias
-	private $_columnAliases=array();	// name=>alias
-	private $_joined=false;
-	private $_table;
-	private $_related=array();			// PK, relation name, related PK => true
-
-	/**
-	 * Constructor.
-	 * @param CActiveFinder the finder
-	 * @param mixed the relation (if the third parameter is not null)
-	 * or the model (if the third parameter is null) associated with this tree node.
-	 * @param CJoinElement the parent tree node
-	 * @param integer the ID of this tree node that is unique among all the tree nodes
-	 */
-	public function __construct($finder,$relation,$parent=null,$id=0)
-	{
-		$this->_finder=$finder;
-		$this->id=$id;
-		if($parent!==null)
-		{
-			$this->relation=$relation;
-			$this->_parent=$parent;
-			$this->_builder=$parent->_builder;
-			$this->tableAlias=$relation->alias===null?$relation->name:$relation->alias;
-			$this->model=TActiveRecord::model($relation->className);
-			$this->_table=$this->model->getTableSchema();
-		}
-		else  // root element, the first parameter is the model.
-		{
-			$this->model=$relation;
-			$this->_builder=$relation->getCommandBuilder();
-			$this->_table=$relation->getTableSchema();
-		}
-
-		// set up column aliases, such as t1_c2
-		$table=$this->_table;
-		$prefix='t'.$id.'_c';
-		foreach($table->getColumnNames() as $key=>$name)
-		{
-			$alias=$prefix.$key;
-			$this->_columnAliases[$name]=$alias;
-			if($table->primaryKey===$name)
-				$this->_pkAlias=$alias;
-			else if(is_array($table->primaryKey) && in_array($name,$table->primaryKey))
-				$this->_pkAlias[$name]=$alias;
-		}
-	}
-
-	/**
-	 * Performs the recursive finding with the criteria.
-	 * @param CDbCriteria the query criteria
-	 */
-	public function find($criteria=null)
-	{
-		if($this->_parent===null) // root element
-		{
-			$query=new TJoinQuery($this,$criteria);
-			$this->_finder->baseLimited=($criteria->offset>=0 || $criteria->limit>=0);
-			$this->buildQuery($query);
-			$this->_finder->baseLimited=false;
-			$this->runQuery($query);
-		}
-		else if(!$this->_joined && !empty($this->_parent->records)) // not joined before
-		{
-			$query=new TJoinQuery($this->_parent);
-			$this->_joined=true;
-			$query->join($this);
-			$this->buildQuery($query);
-			$this->_parent->runQuery($query);
-		}
-
-		foreach($this->children as $child) // find recursively
-			$child->find();
-
-		foreach($this->stats as $stat)
-			$stat->query();
-	}
-
-	/**
-	 * Performs lazy find with the specified base record.
-	 * @param CActiveRecord the active record whose related object is to be fetched.
-	 */
-	public function lazyFind($baseRecord)
-	{
-		if(is_string($this->_table->primaryKey))
-			$this->records[$baseRecord->{$this->_table->primaryKey}]=$baseRecord;
-		else
-		{
-			$pk=array();
-			foreach($this->_table->primaryKey as $name)
-				$pk[$name]=$baseRecord->$name;
-			$this->records[serialize($pk)]=$baseRecord;
-		}
-
-		foreach($this->stats as $stat)
-			$stat->query();
-
-		if(empty($this->children))
-			return;
-
-		$child=reset($this->children);
-		$query=new TJoinQuery($this);
-		$this->_joined=true;
-		$child->_joined=true;
-		$query->join($child);
-		if($child->relation instanceof THasManyRelation)
-		{
-			$query->limit=$child->relation->limit;
-			$query->offset=$child->relation->offset;
-			$this->_finder->baseLimited=($query->offset>=0 || $query->limit>=0);
-			$query->groups[]=$child->relation->group;
-			$query->havings[]=$child->relation->having;
-		}
-		$child->buildQuery($query);
-		$this->_finder->baseLimited=false;
-		$this->runQuery($query);
-		foreach($child->children as $c)
-			$c->find();
-	}
-
-	/**
-	 * Performs the eager loading with the base records ready.
-	 * @param mixed the available base record(s).
-	 */
-	public function findWithBase($baseRecords)
-	{
-		if(!is_array($baseRecords))
-			$baseRecords=array($baseRecords);
-		if(is_string($this->_table->primaryKey))
-		{
-			foreach($baseRecords as $baseRecord)
-				$this->records[$baseRecord->{$this->_table->primaryKey}]=$baseRecord;
-		}
-		else
-		{
-			foreach($baseRecords as $baseRecord)
-			{
-				$pk=array();
-				foreach($this->_table->primaryKey as $name)
-					$pk[$name]=$baseRecord->$name;
-				$this->records[serialize($pk)]=$baseRecord;
-			}
-		}
-
-		$query=new TJoinQuery($this);
-		$this->buildQuery($query);
-		if(count($query->joins)>1)
-			$this->runQuery($query);
-		foreach($this->children as $child)
-			$child->find();
-
-		foreach($this->stats as $stat)
-			$stat->query();
-	}
-
-	/**
-	 * Count the number of primary records returned by the join statement.
-	 * @param CDbCriteria the query criteria
-	 * @return integer number of primary records.
-	 * @since 1.0.3
-	 */
-	public function count($criteria=null)
-	{
-		$query=new TJoinQuery($this,$criteria);
-		// ensure only one big join statement is used
-		$this->_finder->baseLimited=false;
-		$this->_finder->joinAll=true;
-		$this->buildQuery($query);
-
-		if(is_string($this->_table->primaryKey))
-		{
-			$prefix=$this->getColumnPrefix();
-			$schema=$this->_builder->getSchema();
-			$column=$prefix.$schema->quoteColumnName($this->_table->primaryKey);
-		}
-		else if($criteria->select!=='*')
-			$column=$criteria->select;
-		else
-			throw new TDbException('Unable to count records with composite primary keys. Please explicitly specify the SELECT option in the query criteria.');
-
-		$query->selects=array("COUNT(DISTINCT $column)");
-		$query->orders=$query->groups=$query->havings=array();
-		$command=$query->createCommand($this->_builder);
-		return $command->queryScalar();
-	}
-
-	/**
-	 * Calls {@link CActiveRecord::afterFind} of all the records.
-	 * @since 1.0.3
-	 */
-	public function afterFind()
-	{
-		foreach($this->records as $record)
-			$record->afterFindInternal();
-		foreach($this->children as $child)
-			$child->afterFind();
-	}
-
-	/**
-	 * Builds the join query with all descendant HAS_ONE and BELONGS_TO nodes.
-	 * @param CJoinQuery the query being built up
-	 */
-	public function buildQuery($query)
-	{
-		foreach($this->children as $child)
-		{
-			if($child->relation instanceof THasOneRelation || $child->relation instanceof TBelongsToRelation
-				|| $this->_finder->joinAll || !$this->_finder->baseLimited && $child->relation->together)
-			{
-				$child->_joined=true;
-				$query->join($child);
-				$child->buildQuery($query);
-			}
-		}
-	}
-
-	/**
-	 * Executes the join query and populates the query results.
-	 * @param CJoinQuery the query to be executed.
-	 */
-	public function runQuery($query)
-	{
-		$command=$query->createCommand($this->_builder);
-		foreach($command->queryAll() as $row)
-			$this->populateRecord($query,$row);
-	}
-
-	/**
-	 * Populates the active records with the query data.
-	 * @param CJoinQuery the query executed
-	 * @param array a row of data
-	 * @return CActiveRecord the populated record
-	 */
-	private function populateRecord($query,$row)
-	{
-		// determine the primary key value
-		if(is_string($this->_pkAlias))  // single key
-		{
-			if(isset($row[$this->_pkAlias]))
-				$pk=$row[$this->_pkAlias];
-			else	// no matching related objects
-				return null;
-		}
-		else // is_array, composite key
-		{
-			$pk=array();
-			foreach($this->_pkAlias as $name=>$alias)
-			{
-				if(isset($row[$alias]))
-					$pk[$name]=$row[$alias];
-				else	// no matching related objects
-					return null;
-			}
-			$pk=serialize($pk);
-		}
-
-		// retrieve or populate the record according to the primary key value
-		if(isset($this->records[$pk]))
-			$record=$this->records[$pk];
-		else
-		{
-			$attributes=array();
-			$aliases=array_flip($this->_columnAliases);
-			foreach($row as $alias=>$value)
-			{
-				if(isset($aliases[$alias]))
-					$attributes[$aliases[$alias]]=$value;
-			}
-			$record=$this->model->populateRecord($attributes,false);
-			foreach($this->children as $child)
-				$record->addRelatedRecord($child->relation->name,null,$child->relation instanceof THasManyRelation);
-			$this->records[$pk]=$record;
-		}
-
-		// populate child records recursively
-		foreach($this->children as $child)
-		{
-			if(!isset($query->elements[$child->id]))
-				continue;
-			$childRecord=$child->populateRecord($query,$row);
-			if($child->relation instanceof THasOneRelation || $child->relation instanceof TBelongsToRelation)
-				$record->addRelatedRecord($child->relation->name,$childRecord,false);
-			else // has_many and many_many
-			{
-				// need to double check to avoid adding duplicated related objects
-				if($childRecord instanceof TActiveRecord)
-					$fpk=serialize($childRecord->getPrimaryKey());
-				else
-					$fpk=0;
-				if(!isset($this->_related[$pk][$child->relation->name][$fpk]))
-				{
-					$record->addRelatedRecord($child->relation->name,$childRecord,true);
-					$this->_related[$pk][$child->relation->name][$fpk]=true;
-				}
-			}
-		}
-
-		return $record;
-	}
-
-	/**
-	 * @return string the table name and the table alias (if any). This can be used directly in SQL query without escaping.
-	 */
-	public function getTableNameWithAlias()
-	{
-		if($this->tableAlias!==null)
-			return $this->_table->rawName . ' ' . $this->tableAlias;
-		else
-			return $this->_table->rawName;
-	}
-
-	/**
-	 * Generates the list of columns to be selected.
-	 * Columns will be properly aliased and primary keys will be added to selection if they are not specified.
-	 * @param mixed columns to be selected. Defaults to '*', indicating all columns.
-	 * @return string the column selection
-	 */
-	public function getColumnSelect($select='*')
-	{
-		$schema=$this->_builder->getSchema();
-		$prefix=$this->getColumnPrefix();
-		$columns=array();
-		if($select==='*')
-		{
-			foreach($this->_table->getColumnNames() as $name)
-				$columns[]=$prefix.$schema->quoteColumnName($name).' AS '.$schema->quoteColumnName($this->_columnAliases[$name]);
-		}
-		else
-		{
-			if(is_string($select))
-				$select=explode(',',$select);
-			$selected=array();
-			foreach($select as $name)
-			{
-				$name=trim($name);
-				$matches=array();
-				if(($pos=strrpos($name,'.'))!==false)
-					$key=substr($name,$pos+1);
-				else
-					$key=$name;
-				if(isset($this->_columnAliases[$key]))  // simple column names
-				{
-					$columns[]=$prefix.$schema->quoteColumnName($key).' AS '.$schema->quoteColumnName($this->_columnAliases[$key]);
-					$selected[$this->_columnAliases[$key]]=1;
-				}
-				else if(preg_match('/^(.*?)\s+AS\s+(\w+)$/i',$name,$matches)) // if the column is already aliased
-				{
-					$alias=$matches[2];
-					if(!isset($this->_columnAliases[$alias]) || $this->_columnAliases[$alias]!==$alias)
-					{
-						$this->_columnAliases[$alias]=$alias;
-						$columns[]=$name;
-						$selected[$alias]=1;
-					}
-				}
-				else
-					throw new TDbException('Active record "'.get_class($this->model).'" is trying to select an invalid column "'.$name.'". Note, the column must exist in the table or be an expression with alias.');
-			}
-			// add primary key selection if they are not selected
-			if(is_string($this->_pkAlias) && !isset($selected[$this->_pkAlias]))
-				$columns[]=$prefix.$schema->quoteColumnName($this->_table->primaryKey).' AS '.$schema->quoteColumnName($this->_pkAlias);
-			else if(is_array($this->_pkAlias))
-			{
-				foreach($this->_table->primaryKey as $name)
-					if(!isset($selected[$name]))
-						$columns[]=$prefix.$schema->quoteColumnName($name).' AS '.$schema->quoteColumnName($this->_pkAlias[$name]);
-			}
-		}
-
-		return implode(', ',$columns);
-	}
-
-	/**
-	 * @return string the primary key selection
-	 */
-	public function getPrimaryKeySelect()
-	{
-		$schema=$this->_builder->getSchema();
-		$prefix=$this->getColumnPrefix();
-		$columns=array();
-		if(is_string($this->_pkAlias))
-			$columns[]=$prefix.$schema->quoteColumnName($this->_table->primaryKey).' AS '.$schema->quoteColumnName($this->_pkAlias);
-		else if(is_array($this->_pkAlias))
-		{
-			foreach($this->_pkAlias as $name=>$alias)
-				$columns[]=$prefix.$schema->quoteColumnName($name).' AS '.$schema->quoteColumnName($alias);
-		}
-		return implode(', ',$columns);
-	}
-
-	/**
-	 * @return string the condition that specifies only the rows with the selected primary key values.
-	 */
-	public function getPrimaryKeyRange()
-	{
-		if(empty($this->records))
-			return '';
-		$values=array_keys($this->records);
-		if(is_array($this->_table->primaryKey))
-		{
-			foreach($values as &$value)
-				$value=unserialize($value);
-		}
-		return $this->_builder->createInCondition($this->_table,$this->_table->primaryKey,$values,$this->getColumnPrefix());
-	}
-
-	/**
-	 * @return string the column prefix for column reference disambiguation
-	 */
-	public function getColumnPrefix()
-	{
-		if($this->tableAlias!==null)
-			return $this->tableAlias.'.';
-		else
-			return $this->_table->rawName.'.';
-	}
-
-	/**
-	 * @return string the join statement (this node joins with its parent)
-	 */
-	public function getJoinCondition()
-	{
-		$parent=$this->_parent;
-		$relation=$this->relation;
-		if($this->relation instanceof TManyManyRelation)
-		{
-			if(!preg_match('/^\s*(.*?)\((.*)\)\s*$/',$this->relation->foreignKey,$matches))
-				throw new TDbException('The relation "'.($this->relation->name).'" in active record class "'.get_class($parent->model).'" is specified with an invalid foreign key. The format of the foreign key must be "joinTable(fk1,fk2,...)".');
-
-			$schema=$this->_builder->getSchema();
-			if(($joinTable=$schema->getTable($matches[1]))===null)
-				throw new TDbException('The relation "'.($this->relation->name).'" in active record class "'.get_class($parent->model).'" is not specified correctly: the join table "'.($matches[1]).'" given in the foreign key cannot be found in the database.');
-				
-			$fks=preg_split('/[\s,]+/',$matches[2],-1,PREG_SPLIT_NO_EMPTY);
-
-			return $this->joinManyMany($joinTable,$fks,$parent);
-		}
-		else
-		{
-			$fks=preg_split('/[\s,]+/',$relation->foreignKey,-1,PREG_SPLIT_NO_EMPTY);
-			if($this->relation instanceof TBelongsToRelation)
-			{
-				$pke=$this;
-				$fke=$parent;
-			}
-			else
-			{
-				$pke=$parent;
-				$fke=$this;
-			}
-			return $this->joinOneMany($fke,$fks,$pke,$parent);
-		}
-	}
-
-	/**
-	 * Generates the join statement for one-many relationship.
-	 * This works for HAS_ONE, HAS_MANY and BELONGS_TO.
-	 * @param CJoinElement the join element containing foreign keys
-	 * @param array the foreign keys
-	 * @param CJoinElement the join element containg primary keys
-	 * @param CJoinElement the parent join element
-	 * @return string the join statement
-	 * @throws CDbException if a foreign key is invalid
-	 */
-	private function joinOneMany($fke,$fks,$pke,$parent)
-	{
-		$schema=$this->_builder->getSchema();
-		$joins=array();
-		foreach($fks as $i=>$fk)
-		{
-			if(!isset($fke->_table->columns[$fk]))
-				throw new TDbException('The relation "'.($this->relation->name).'" in active record class "'.get_class($parent->model).'" is specified with an invalid foreign key "'.$fk.'". There is no such column in the table "'.($fke->_table->name).'".');
-
-			if(isset($fke->_table->foreignKeys[$fk]))
-				$pk=$fke->_table->foreignKeys[$fk][1];
-			else  // FK constraints undefined
-			{
-				if(is_array($pke->_table->primaryKey)) // composite PK
-					$pk=$pke->_table->primaryKey[$i];
-				else
-					$pk=$pke->_table->primaryKey;
-			}
-			$joins[]=$fke->getColumnPrefix().$schema->quoteColumnName($fk) . '=' . $pke->getColumnPrefix().$schema->quoteColumnName($pk);
-		}
-		if(!empty($this->relation->on))
-			$joins[]=$this->relation->on;
-		return $this->relation->joinType . ' ' . $this->getTableNameWithAlias() . ' ON (' . implode(') AND (',$joins).')';
-	}
-
-	/**
-	 * Generates the join statement for many-many relationship.
-	 * @param CDbTableSchema the join table
-	 * @param array the foreign keys
-	 * @param CJoinElement the parent join element
-	 * @return string the join statement
-	 * @throws CDbException if a foreign key is invalid
-	 */
-	private function joinManyMany($joinTable,$fks,$parent)
-	{
-		$schema=$this->_builder->getSchema();
-		$joinAlias=$this->relation->name.'_'.$this->tableAlias;
-		$parentCondition=array();
-		$childCondition=array();
-		foreach($fks as $i=>$fk)
-		{
-			if(!isset($joinTable->columns[$fk]))
-				throw new TDbException('The relation "'.($this->relation->name).'" in active record class "'.get_class($parent->model).'" is specified with an invalid foreign key "'.$fk.'". There is no such column in the table "'.($joinTable->name).'".');
-
-			if(isset($joinTable->foreignKeys[$fk]))
-			{
-				list($tableName,$pk)=$joinTable->foreignKeys[$fk];
-				if(!isset($parentCondition[$pk]) && $schema->compareTableNames($parent->_table->rawName,$tableName))
-					$parentCondition[$pk]=$parent->getColumnPrefix().$schema->quoteColumnName($pk).'='.$joinAlias.'.'.$schema->quoteColumnName($fk);
-				else if(!isset($childCondition[$pk]) && $schema->compareTableNames($this->_table->rawName,$tableName))
-					$childCondition[$pk]=$this->getColumnPrefix().$schema->quoteColumnName($pk).'='.$joinAlias.'.'.$schema->quoteColumnName($fk);
-				else
-					throw new TDbException('The relation "'.($this->relation->name).'" in active record class "'.get_class($parent->model).'" is specified with an invalid foreign key "'.$fk.'". The foreign key does not point to either joining table.');
-			}
-			else // FK constraints not defined
-			{
-				if($i<count($parent->_table->primaryKey))
-				{
-					$pk=is_array($parent->_table->primaryKey) ? $parent->_table->primaryKey[$i] : $parent->_table->primaryKey;
-					$parentCondition[$pk]=$parent->getColumnPrefix().$schema->quoteColumnName($pk).'='.$joinAlias.'.'.$schema->quoteColumnName($fk);
-				}
-				else
-				{
-					$j=$i-count($parent->_table->primaryKey);
-					$pk=is_array($this->_table->primaryKey) ? $this->_table->primaryKey[$j] : $this->_table->primaryKey;
-					$childCondition[$pk]=$this->getColumnPrefix().$schema->quoteColumnName($pk).'='.$joinAlias.'.'.$schema->quoteColumnName($fk);
-				}
-			}
-		}
-		if($parentCondition!==array() && $childCondition!==array())
-		{
-			$join=$this->relation->joinType.' '.$joinTable->rawName.' '.$joinAlias;
-			$join.=' ON ('.implode(') AND (',$parentCondition).')';
-			$join.=' '.$this->relation->joinType.' '.$this->getTableNameWithAlias();
-			$join.=' ON ('.implode(') AND (',$childCondition).')';
-			if(!empty($this->relation->on))
-				$join.=' AND ('.$this->relation->on.')';
-			return $join;
-		}
-		else
-			throw new TDbException('The relation "'.($this->relation->name).'" in active record class "'.get_class($parent->model).'" is specified with an incomplete foreign key. The foreign key must consist of columns referencing both joining tables.');
-	}
-}
-
-
-/**
- * CJoinQuery represents a JOIN SQL statement.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id: CActiveFinder.php 1127 2009-06-13 20:26:35Z qiang.xue $
- * @package System.Testing.Data.ActiveRecord
- * @since 1.0
- */
-class TJoinQuery
-{
-	/**
-	 * @var array list of column selections
-	 */
-	public $selects=array();
-	/**
-	 * @var array list of join statement
-	 */
-	public $joins=array();
-	/**
-	 * @var array list of WHERE clauses
-	 */
-	public $conditions=array();
-	/**
-	 * @var array list of ORDER BY clauses
-	 */
-	public $orders=array();
-	/**
-	 * @var array list of GROUP BY clauses
-	 */
-	public $groups=array();
-	/**
-	 * @var array list of HAVING clauses
-	 */
-	public $havings=array();
-	/**
-	 * @var integer row limit
-	 */
-	public $limit=-1;
-	/**
-	 * @var integer row offset
-	 */
-	public $offset=-1;
-	/**
-	 * @var array list of query parameters
-	 */
-	public $params=array();
-	/**
-	 * @var array list of join element IDs (id=>true)
-	 */
-	public $elements=array();
-
-	/**
-	 * Constructor.
-	 * @param CJoinElement The root join tree.
-	 * @param CDbCriteria the query criteria
-	 */
-	public function __construct($joinElement,$criteria=null)
-	{
-		if($criteria!==null)
-		{
-			$this->selects[]=$joinElement->getColumnSelect($criteria->select);
-			$this->joins[]=$joinElement->getTableNameWithAlias();
-			$this->joins[]=$criteria->join;
-			$this->conditions[]=$criteria->condition;
-			$this->orders[]=$criteria->order;
-			$this->groups[]=$criteria->group;
-			$this->havings[]=$criteria->having;
-			$this->limit=$criteria->limit;
-			$this->offset=$criteria->offset;
-			$this->params=$criteria->params;
-		}
-		else
-		{
-			$this->selects[]=$joinElement->getPrimaryKeySelect();
-			$this->joins[]=$joinElement->getTableNameWithAlias();
-			$this->conditions[]=$joinElement->getPrimaryKeyRange();
-		}
-		$this->elements[$joinElement->id]=true;
-	}
-
-	/**
-	 * Joins with another join element
-	 * @param CJoinElement the element to be joined
-	 */
-	public function join($element)
-	{
-		$this->selects[]=$element->getColumnSelect($element->relation->select);
-		$this->conditions[]=$element->relation->condition;
-		$this->orders[]=$element->relation->order;
-		$this->joins[]=$element->getJoinCondition();
-		$this->groups[]=$element->relation->group;
-		$this->havings[]=$element->relation->having;
-
-		if(is_array($element->relation->params))
-		{
-			if(is_array($this->params))
-				$this->params=array_merge($this->params,$element->relation->params);
-			else
-				$this->params=$element->relation->params;
-		}
-		$this->elements[$element->id]=true;
-	}
-
-	/**
-	 * Creates the SQL statement.
-	 * @param CDbCommandBuilder the command builder
-	 * @return string the SQL statement
-	 */
-	public function createCommand($builder)
-	{
-		$sql='SELECT ' . implode(', ',$this->selects);
-		$sql.=' FROM ' . implode(' ',$this->joins);
-
-		$conditions=array();
-		foreach($this->conditions as $condition)
-			if($condition!=='')
-				$conditions[]=$condition;
-		if($conditions!==array())
-			$sql.=' WHERE (' . implode(') AND (',$conditions).')';
-
-		$groups=array();
-		foreach($this->groups as $group)
-			if($group!=='')
-				$groups[]=$group;
-		if($groups!==array())
-			$sql.=' GROUP BY ' . implode(', ',$groups);
-
-		$havings=array();
-		foreach($this->havings as $having)
-			if($having!=='')
-				$havings[]=$having;
-		if($havings!==array())
-			$sql.=' HAVING (' . implode(') AND (',$havings).')';
-
-		$orders=array();
-		foreach($this->orders as $order)
-			if($order!=='')
-				$orders[]=$order;
-		if($orders!==array())
-			$sql.=' ORDER BY ' . implode(', ',$orders);
-
-		$sql=$builder->applyLimit($sql,$this->limit,$this->offset);
-		$command=$builder->getDbConnection()->createCommand($sql);
-		$builder->bindValues($command,$this->params);
-		return $command;
-	}
-}
-
-
-/**
- * CStatElement represents STAT join element for {@link CActiveFinder}.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id: CActiveFinder.php 1127 2009-06-13 20:26:35Z qiang.xue $
- * @package System.Testing.Data.ActiveRecord
- * @since 1.0.4
- */
-class TStatElement
-{
-	/**
-	 * @var CActiveRelation the relation represented by this tree node
-	 */
-	public $relation;
-
-	private $_finder;
-	private $_parent;
-
-	/**
-	 * Constructor.
-	 * @param CActiveFinder the finder
-	 * @param CStatRelation the STAT relation
-	 * @param CJoinElement the join element owning this STAT element
-	 */
-	public function __construct($finder,$relation,$parent)
-	{
-		$this->_finder=$finder;
-		$this->_parent=$parent;
-		$this->relation=$relation;
-		$parent->stats[]=$this;
-	}
-
-	/**
-	 * Performs the STAT query.
-	 */
-	public function query()
-	{
-		if(preg_match('/^\s*(.*?)\((.*)\)\s*$/',$this->relation->foreignKey,$matches))
-			$this->queryManyMany($matches[1],$matches[2]);
-		else
-			$this->queryOneMany();
-	}
-
-	private function queryOneMany()
-	{
-		$relation=$this->relation;
-		$model=TActiveRecord::model($relation->className);
-		$builder=$model->getCommandBuilder();
-		$schema=$builder->getSchema();
-		$table=$model->getTableSchema();
-		$pkTable=$this->_parent->model->getTableSchema();
-
-		$fks=preg_split('/[\s,]+/',$relation->foreignKey,-1,PREG_SPLIT_NO_EMPTY);
-		if(count($fks)!==count($pkTable->primaryKey))
-			throw new TDbException('The relation "'.($relation->name).'" in active record class "'.get_class($parent->model).'" is specified with an invalid foreign key. The columns in the key must match the primary keys of the table "'.($pkTable->name).'".');
-
-		// set up mapping between fk and pk columns
-		$map=array();  // pk=>fk
-		foreach($fks as $i=>$fk)
-		{
-			if(!isset($table->columns[$fk]))
-				throw new TDbException('The relation "'.($relation->name).'" in active record class "'.get_class($parent->model).'" is specified with an invalid foreign key "'.$fk.'". There is no such column in the table "'.($table->name).'".');
-
-			if(isset($table->foreignKeys[$fk]))
-			{
-				list($tableName,$pk)=$table->foreignKeys[$fk];
-				if($schema->compareTableNames($pkTable->rawName,$tableName))
-					$map[$pk]=$fk;
-				else
-					throw new TDbException('The relation "'.($relation->name).'" in active record class "'.get_class($parent->model).'" is specified with a foreign key "'.$fk.'" that does not point to the parent table "'.($pkTable->name).'".');
-			}
-			else  // FK constraints undefined
-			{
-				if(is_array($table->primaryKey)) // composite PK
-					$map[$table->primaryKey[$i]]=$fk;
-			}
-		}
-
-		$records=$this->_parent->records;
-
-		$where=empty($relation->condition)?'' : ' WHERE ('.$relation->condition.')';
-		$group=empty($relation->group)?'' : ', '.$relation->group;
-		$having=empty($relation->having)?'' : ' AND ('.$relation->having.')';
-		$order=empty($relation->order)?'' : ' ORDER BY '.$relation->order;
-
-		$c=$schema->quoteColumnName('c');
-		$s=$schema->quoteColumnName('s');
-
-		// generate and perform query
-		if(count($fks)===1)  // single column FK
-		{
-			$col=$table->columns[$fks[0]]->rawName;
-			$sql="SELECT $col AS $c, {$relation->select} AS $s FROM {$table->rawName}"
-				.$where
-				." GROUP BY $col".$group
-				." HAVING ".$builder->createInCondition($table,$fks[0],array_keys($records))
-				.$having.$order;
-			$command=$builder->getDbConnection()->createCommand($sql);
-			if(is_array($relation->params))
-				$builder->bindValues($command,$relation->params);
-			$stats=array();
-			foreach($command->queryAll() as $row)
-				$stats[$row['c']]=$row['s'];
-		}
-		else  // composite FK
-		{
-			$keys=array_keys($records);
-			foreach($keys as &$key)
-			{
-				$key2=unserialize($key);
-				$key=array();
-				foreach($pkTable->primaryKey as $pk)
-					$key[$map[$pk]]=$key2[$pk];
-			}
-			$cols=array();
-			foreach($pkTable->primaryKey as $n=>$pk)
-			{
-				$name=$table->columns[$map[$pk]]->rawName;
-				$cols[$name]=$name.' AS '.$schema->quoteColumnName('c'.$n);
-			}
-			$sql='SELECT '.implode(', ',$cols).", {$relation->select} AS $s FROM {$table->rawName}"
-				.$where
-				.' GROUP BY '.implode(', ',array_keys($cols)).$group
-				.' HAVING '.$builder->createInCondition($table,$fks,$keys)
-				.$having.$order;
-			$command=$builder->getDbConnection()->createCommand($sql);
-			if(is_array($relation->params))
-				$builder->bindValues($command,$relation->params);
-			$stats=array();
-			foreach($command->queryAll() as $row)
-			{
-				$key=array();
-				foreach($pkTable->primaryKey as $n=>$pk)
-					$key[$pk]=$row['c'.$n];
-				$stats[serialize($key)]=$row['s'];
-			}
-		}
-
-		// populate the results into existing records
-		foreach($records as $pk=>$record)
-			$record->addRelatedRecord($relation->name,isset($stats[$pk])?$stats[$pk]:$relation->defaultValue,false);
-	}
-
-	private function queryManyMany($joinTableName,$keys)
-	{
-		$relation=$this->relation;
-		$model=TActiveRecord::model($relation->className);
-		$table=$model->getTableSchema();
-		$builder=$model->getCommandBuilder();
-		$schema=$builder->getSchema();
-		$pkTable=$this->_parent->model->getTableSchema();
-
-		if(($joinTable=$builder->getSchema()->getTable($joinTableName))===null)
-			throw new TDbException('The relation "'.($relation->name).'" in active record class "'.get_class($this->_parent->model).'" is not specified correctly. The join table "'.$joinTableName.'" given in the foreign key cannot be found in the database.');
-
-		$fks=preg_split('/[\s,]+/',$keys,-1,PREG_SPLIT_NO_EMPTY);
-		if(count($fks)!==count($table->primaryKey)+count($pkTable->primaryKey))
-			throw new TDbException('The relation "'.($relation->name).'" in active record class "'.get_class($this->_parent->model).'" is specified with an incomplete foreign key. The foreign key must consist of columns referencing both joining tables.');
-
-		$joinCondition=array();
-		$map=array();
-		foreach($fks as $i=>$fk)
-		{
-			if(!isset($joinTable->columns[$fk]))
-				throw new TDbException('The relation "'.($relation->name).'" in active record class "'.get_class($this->_parent->model).'" is specified with an invalid foreign key "'.$fk.'". There is no such column in the table "'.($joinTable->name).'".');
-
-			if(isset($joinTable->foreignKeys[$fk]))
-			{
-				list($tableName,$pk)=$joinTable->foreignKeys[$fk];
-				if(!isset($joinCondition[$pk]) && $schema->compareTableNames($table->rawName,$tableName))
-					$joinCondition[$pk]=$table->rawName.'.'.$schema->quoteColumnName($pk).'='.$joinTable->rawName.'.'.$schema->quoteColumnName($fk);
-				else if(!isset($map[$pk]) && $schema->compareTableNames($pkTable->rawName,$tableName))
-					$map[$pk]=$fk;
-				else
-					throw new TDbException('The relation "'.($relation->name).'" in active record class "'.get_class($this->_parent->model).'" is specified with an invalid foreign key "'.$fk.'". The foreign key does not point to either joining table.');
-			}
-			else // FK constraints not defined
-			{
-				if($i<count($pkTable->primaryKey))
-				{
-					$pk=is_array($pkTable->primaryKey) ? $pkTable->primaryKey[$i] : $pkTable->primaryKey;
-					$map[$pk]=$fk;
-				}
-				else
-				{
-					$j=$i-count($pkTable->primaryKey);
-					$pk=is_array($table->primaryKey) ? $table->primaryKey[$j] : $table->primaryKey;
-					$joinCondition[$pk]=$table->rawName.'.'.$schema->quoteColumnName($pk).'='.$joinTable->rawName.'.'.$schema->quoteColumnName($fk);
-				}
-			}
-		}
-
-		if($joinCondition===array() || $map===array())
-			throw new TDbException('The relation "'.($relation->name).'" in active record class "'.get_class($this->_parent->model).'" is specified with an incomplete foreign key. The foreign key must consist of columns referencing both joining tables.');
-
-		$records=$this->_parent->records;
-
-		$cols=array();
-		foreach(is_string($pkTable->primaryKey)?array($pkTable->primaryKey):$pkTable->primaryKey as $n=>$pk)
-		{
-			$name=$joinTable->rawName.'.'.$schema->quoteColumnName($map[$pk]);
-			$cols[$name]=$name.' AS '.$schema->quoteColumnName('c'.$n);
-		}
-
-		$keys=array_keys($records);
-		if(is_array($pkTable->primaryKey))
-		{
-			foreach($keys as &$key)
-			{
-				$key2=unserialize($key);
-				$key=array();
-				foreach($pkTable->primaryKey as $pk)
-					$key[$map[$pk]]=$key2[$pk];
-			}
-		}
-
-		$where=empty($relation->condition)?'' : ' WHERE ('.$relation->condition.')';
-		$group=empty($relation->group)?'' : ', '.$relation->group;
-		$having=empty($relation->having)?'' : ' AND ('.$relation->having.')';
-		$order=empty($relation->order)?'' : ' ORDER BY '.$relation->order;
-
-		$sql='SELECT '.$this->relation->select.' AS '.$schema->quoteColumnName('s').', '.implode(', ',$cols)
-			.' FROM '.$table->rawName.' INNER JOIN '.$joinTable->rawName
-			.' ON ('.implode(') AND (',$joinCondition).')'
-			.$where
-			.' GROUP BY '.implode(', ',array_keys($cols)).$group
-			.' HAVING ('.$builder->createInCondition($joinTable,$map,$keys).')'
-			.$having.$order;
-
-		$command=$builder->getDbConnection()->createCommand($sql);
-		if(is_array($relation->params))
-			$builder->bindValues($command,$relation->params);
-
-		$stats=array();
-		foreach($command->queryAll() as $row)
-		{
-			if(is_array($pkTable->primaryKey))
-			{
-				$key=array();
-				foreach($pkTable->primaryKey as $n=>$k)
-					$key[$k]=$row['c'.$n];
-				$stats[serialize($key)]=$row['s'];
-			}
-			else
-				$stats[$row['c0']]=$row['s'];
-		}
-
-		foreach($records as $pk=>$record)
-			$record->addRelatedRecord($relation->name,isset($stats[$pk])?$stats[$pk]:$this->relation->defaultValue,false);
-	}
-}