idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
1PRIMARYNULLNULLNULLNULLNULLNULLNULLNo tables used
2SUBQUERYshop_construct_user_typerefPRIMARY,inx_shop_construct_user_type_constructPRIMARY4const1Using index