ClickHouse/dbms/tests/queries/0_stateless/00717_low_cardinaliry_distributed_group_by.sql

set allow_suspicious_low_cardinality_types = 1;
DROP TABLE IF EXISTS test_low_null_float;
DROP TABLE IF EXISTS dist_00717;

CREATE TABLE test_low_null_float (a LowCardinality(Nullable(Float64))) ENGINE = Memory;
CREATE TABLE dist_00717 (a LowCardinality(Nullable(Float64))) ENGINE = Distributed('test_cluster_two_shards_localhost', currentDatabase(), 'test_low_null_float', rand());

INSERT INTO dist_00717 (a) SELECT number FROM system.numbers LIMIT 1000000;
SELECT a, count() FROM dist_00717 GROUP BY a ORDER BY a ASC, count() ASC LIMIT 10;

DROP TABLE IF EXISTS test_low_null_float;
DROP TABLE IF EXISTS dist_00717;