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