id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	cms_content_element	range	PRIMARY,content_id_2,tree_id_2,active,content_id,tree_id	tree_id	9	NULL	47	Using index condition; Using where; Using temporary; Using filesort
1	SIMPLE	cms_content_element_tree	ref	element_id_2,element_id	element_id_2	4	avalon_www.cms_content_element.id	1	Using where; Using index
1	SIMPLE	map	ref	element_id	element_id	5	avalon_www.cms_content_element.id	8	Using index
1	SIMPLE	cms_content_element_property	ref	element_id	element_id	5	avalon_www.cms_content_element.id	8	NULL