id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	tbl_ads_banner	range|filter	PRIMARY,idx-ads_banner-show_start,idx-ads_banner-show_end,idx-ads_banner-status	idx-ads_banner-status|idx-ads_banner-show_end	5|9	NULL	2 (3%)	Using index condition; Using where; Using filesort; Using rowid filter