ClickHouse/tests/queries/0_stateless/01540_verbatim_partition_pruning.sql

drop table if exists xy;

create table xy(x int, y int) engine MergeTree partition by intHash64(x) % 100 order by y settings index_granularity = 1;

insert into xy values (1, 2), (2, 3);

SET max_rows_to_read = 1;

select * from xy where intHash64(x) % 100 = intHash64(1) % 100;

-- This works too
select * from xy where x = 1;

--
-- Test for equality.
-- It is special operator that treated as an always monotonic 
--
set max_rows_to_read=100;
drop table if exists xy;
create table xy(x int, y int) engine MergeTree partition by x % 100 order by y settings index_granularity = 4096;
-- insert enough data to make minmax index not enough for partition prunning
insert into xy select number, number from numbers(10000);
select * from xy where x = 1;

drop table if exists xy;