id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	gmap_marker	NULL	ref	idx-gmap_marker-model	idx-gmap_marker-model	204	const,const	1	10.00	Using where
1	SIMPLE	gmap_marker_lang	NULL	eq_ref	PRIMARY,fk_gmap_marker_lang_lang	PRIMARY	8	tempreklpl_db.gmap_marker.id_gmap_marker,const	1	100.00	NULL