id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	range	index_cms_nav_item_page_block_item_block_id,index_cms_nav_item_page_block_item_placeholder_var,index_cms_nav_item_page_block_item_nav_item_page_id,index_cms_nav_item_page_block_item_prev_id,index_nipi_pv_pi_ih_si	index_nipi_pv_pi_ih_si	254	NULL	1	Using where
1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	galeriaplakatu2.t1.block_id	1	NULL