CCrmActivity::DoSaveElementIDs

static function DoSaveElementIDs($ID, $storageTypeID, $arElementIDs)
{
	global $DB;

	$ID = intval($ID);
	$storageTypeID = intval($storageTypeID);
	if($ID <= 0 || !CCrmActivityStorageType::IsDefined($storageTypeID) || !is_array($arElementIDs))
	{
		self::RegisterError(array('text' => 'Invalid arguments are supplied.'));
		return false;
	}

	$DB->Query(
		'DELETE FROM '.self::ELEMENT_TABLE_NAME.' WHERE ACTIVITY_ID = '.$ID,
		false,
		'File: '.__FILE__.'
Line: '.__LINE__
	);

	if(empty($arElementIDs))
	{
		return true;
	}

	$arRows = array();
	foreach($arElementIDs as $elementID)
	{
		$arRows[] = array(
			'ACTIVITY_ID'=> $ID,
			'STORAGE_TYPE_ID' => $storageTypeID,
			'ELEMENT_ID' => $elementID
		);
	}

	$bulkColumns = '';
	$bulkValues = array();


	foreach($arRows as &$row)
	{
		$data = $DB->PrepareInsert(self::ELEMENT_TABLE_NAME, $row);
		if($bulkColumns === '')
		{
			$bulkColumns = $data[0];
		}

		$bulkValues[] = $data[1];
	}
	unset($row);

	$query = '';
	foreach($bulkValues as &$value)
	{
		$query .= ($query !== '' ? ',' : '').'('.$value.')';
	}

	if($query !== '')
	{
		$sql = 'INSERT INTO '.self::ELEMENT_TABLE_NAME.'('.$bulkColumns.') VALUES '.$query.' ON DUPLICATE KEY UPDATE ELEMENT_ID = ELEMENT_ID, STORAGE_TYPE_ID = STORAGE_TYPE_ID, ACTIVITY_ID = ACTIVITY_ID';
		$DB->Query($sql, false, 'File: '.__FILE__.'
Line: '.__LINE__);
	}

	return true;
}