test=# create table w (i int);
CREATE TABLE
Time: 138,124 ms
test=*# copy w from stdin;
Enter data to be copied followed by a newline.
End with a backslash and a period on a line by itself.
>> 1
>> 2
>> 3
>> 5
>> 9
>> \.
Time: 16212,452 ms
test=*# commit;
COMMIT
Time: 0,554 ms
test=# select * from w where i in (1,2) and exists(select 1 from w where i between 3 and 19);
 i
---
 1
 2
(2 rows)

Time: 21,270 ms
test=*# select * from w where i in (1,2) and exists(select 1 from w where i between 30 and 39);
 i
---
(0 rows)

Time: 0,351 ms
test=*#