https://ec-cube.trial.jp/block/search_product

id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE d0_ const PRIMARY, IDX_C49DE22F557B630 PRIMARY 4 const 1 100.00
1 SIMPLE d2_ range PRIMARY, IDX_B05778914584665A, IDX_B057789112469DE2 PRIMARY 8 3 14.29 Using where
1 SIMPLE d3_ eq_ref PRIMARY PRIMARY 4 ratorin_eccube.d2_.category_id 1 16.67 Using where
1 SIMPLE d1_ ref IDX_1A11D1BA4584665A IDX_1A11D1BA4584665A 5 const 10 9.09 Using index condition; Using where