id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	SUBQUERY	shop_document	ref	PRIMARY,state_user,state_session	state_session	773	const,const	1	Using where; Using index
2	SUBQUERY	shop_document_content	ref	PRIMARY,shop_document_content,fk-shop_document_content-product_id,inx_shop_document_content_d_id,inx_shop_document_content_p_id	shop_document_content	4	lurex.shop_document.id	1	Using where
2	SUBQUERY	size	ref	shop_document_content_options2,shop_document_content_options3,shop_document_content_options4	shop_document_content_options2	4	lurex.shop_document_content.id	1	Using where
2	SUBQUERY	color	ref	shop_document_content_options2,shop_document_content_options3,shop_document_content_options4	shop_document_content_options2	4	lurex.shop_document_content.id	1	Using where