OrderQuery::prepare

public function prepare(array $order, array $filter, $group, array $select)
{
	// Do not remove!!!
//		file_put_contents('/var/www/log'
//			, spl_object_hash($this)."n"
//			. 'Order: '.print_r($order,true)
//			. 'Filter: '.print_r($filter,true)
//			. 'Group: '.print_r($group,true)
//			. 'Select: '.print_r($select,true)
//			."nnn"
//			, FILE_APPEND);

	static $aggregates = array('COUNT'=>1, 'AVG'=>1, 'MIN'=>1, 'MAX'=>1, 'SUM'=>1);

	foreach ($filter as $key => $value)
	{
		$key = $this->mapLocationRuntimeField($key, true);

		$this->compatibleAddFilter($key, $value);
	}

	if (is_array($group))
	{
		if (empty($group))
		{
			$this->counted = true;
			return;
		}
		else
		{
			foreach ($group as $key => $alias)
			{
				if ($name = $this->getAliasName($alias))
				{
					if (is_string($key) && ($aggregate = ToUpper($key)) && $aggregates[$aggregate])
					{
						$this->addAggregatedSelect($alias, $aggregate, $name);
					}
					else
					{
						$this->grouped = true;
						$this->addGroup($name);
						$this->addSelect($name, $alias);
					}
				}
			}

			if ($this->grouped)
			{
				$this->addAggregatedSelect('CNT', 'COUNT(*)');
				// TODO Maybe? "COUNT(%%_DISTINCT_%% ".$arFields[$arFieldsKeys[0]]["FIELD"].") as CNT ";
			}
		}
	}
	else
	{
		if (empty($select) || $select == array('*'))
		{
			$this->allSelected = true;

			foreach ($this->getAliases() as $alias => $field)
			{
				$field = $this->mapLocationRuntimeField($field);

				$this->addAliasSelect($alias);
			}
		}
		else
		{
			foreach ($select as $key => $alias)
			{
				$alias = $this->mapLocationRuntimeField($alias);

				if ($name = $this->getAliasName($alias))
				{
					if (is_string($key) && ($aggregate = ToUpper($key)) && $aggregates[$aggregate])
					{
						$this->addAggregatedSelect($alias, $aggregate, $name);
					}
					else
					{
						$this->addSelect($name, $alias);
					}
				}
			}
		}
	}

	foreach ($order as $alias => $value)
	{
		$alias = $this->mapLocationRuntimeField($alias);

		$this->addAliasOrder($alias, $value);
	}
}