id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE c1_ const PRIMARY PRIMARY 8 const 1 Using index; Using temporary; Using filesort
1 SIMPLE c3_ ref PRIMARY, slug_index slug_index 766 const 1 Using where
1 SIMPLE c2_ ref PRIMARY, IDX_E21894179395C3F3, IDX_E218941784A0A3ED PRIMARY 8 const 71 Using index
1 SIMPLE c0_ eq_ref PRIMARY, IDX_FEC530A912469DE2, published_at_index, IDX_get_content PRIMARY 8 roofers_staging2.c2_.content_id 1 Using where