create schema v;
create table v.book(
  id int primary key,
  title text not null
);
select
  index_statements, errors
from
  index_advisor('select id from v.book where title = $1');
                index_statements                | errors 
------------------------------------------------+--------
 {"CREATE INDEX ON v.book USING btree (title)"} | {}
(1 row)

drop schema v cascade;
NOTICE:  drop cascades to table v.book