id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE s1_ const PRIMARY PRIMARY 4 const 1 Using index
1 SIMPLE s2_ ref idaide_idspectacle_date_start, idaide, idspectacle idspectacle 4 const 3
1 SIMPLE a0_ eq_ref PRIMARY, idaidecontact PRIMARY 4 theatreok_dev.s2_.idaide 1 Using where
1 SIMPLE a3_ eq_ref PRIMARY PRIMARY 4 theatreok_dev.a0_.idaidecontact 1 Using where