mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 23:21:59 +00:00
55 lines
1.4 KiB
Python
55 lines
1.4 KiB
Python
# pylint: disable=line-too-long
|
|
# pylint: disable=unused-argument
|
|
# pylint: disable=redefined-outer-name
|
|
|
|
import pytest
|
|
from helpers.cluster import ClickHouseCluster
|
|
|
|
cluster = ClickHouseCluster(__file__, name="skipping_indices")
|
|
node = cluster.add_instance(
|
|
"node",
|
|
image="yandex/clickhouse-server",
|
|
tag="21.6",
|
|
stay_alive=True,
|
|
with_installed_binary=True,
|
|
)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def start_cluster():
|
|
try:
|
|
cluster.start()
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
# TODO: cover other types too, but for this we need to add something like
|
|
# restart_with_tagged_version(), since right now it is not possible to
|
|
# switch to old tagged clickhouse version.
|
|
def test_index(start_cluster):
|
|
node.query(
|
|
"""
|
|
CREATE TABLE data
|
|
(
|
|
key Int,
|
|
value Nullable(Int),
|
|
INDEX value_index value TYPE minmax GRANULARITY 1
|
|
)
|
|
ENGINE = MergeTree
|
|
ORDER BY key;
|
|
|
|
INSERT INTO data SELECT number, number FROM numbers(10000);
|
|
|
|
SELECT * FROM data WHERE value = 20000 SETTINGS force_data_skipping_indices = 'value_index' SETTINGS force_data_skipping_indices = 'value_index', max_rows_to_read=1;
|
|
"""
|
|
)
|
|
node.restart_with_latest_version()
|
|
node.query(
|
|
"""
|
|
SELECT * FROM data WHERE value = 20000 SETTINGS force_data_skipping_indices = 'value_index' SETTINGS force_data_skipping_indices = 'value_index', max_rows_to_read=1;
|
|
DROP TABLE data;
|
|
"""
|
|
)
|