Andrey Borodin <x4...@yandex-team.ru> writes: > I've tried to toy with the patch and remembered one related caveat. > If we have index for both returnable and nonreturnable attributes, IOS will > not be choosen:
> postgres=# create index on t using gist(a gist_trgm_ops) include (a); > postgres=# explain select * from t where a like 'z'; > QUERY PLAN > --------------------------------------------------------------------- > Index Scan using t_a_a1_idx on t (cost=0.12..8.14 rows=1 width=32) > Index Cond: (a ~~ 'z'::text) > (2 rows) This case is improved by 0002, no? regards, tom lane