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238 lines
7.0 KiB
Python
238 lines
7.0 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance(
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"node1",
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with_zookeeper=True,
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image="yandex/clickhouse-server",
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tag="19.4.5.35",
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stay_alive=True,
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with_installed_binary=True,
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)
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node2 = cluster.add_instance(
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"node2",
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with_zookeeper=True,
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image="yandex/clickhouse-server",
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tag="19.4.5.35",
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stay_alive=True,
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with_installed_binary=True,
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)
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node3 = cluster.add_instance(
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"node3",
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with_zookeeper=True,
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image="yandex/clickhouse-server",
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tag="19.4.5.35",
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stay_alive=True,
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with_installed_binary=True,
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)
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node4 = cluster.add_instance("node4")
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@pytest.fixture(scope="module")
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def started_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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def test_backup_from_old_version(started_cluster):
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node1.query(
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"CREATE TABLE source_table(A Int64, B String) Engine = MergeTree order by tuple()"
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)
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node1.query("INSERT INTO source_table VALUES(1, '1')")
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assert node1.query("SELECT COUNT() FROM source_table") == "1\n"
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node1.query("ALTER TABLE source_table ADD COLUMN Y String")
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node1.query("ALTER TABLE source_table FREEZE PARTITION tuple();")
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node1.restart_with_latest_version()
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node1.query(
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"CREATE TABLE dest_table (A Int64, B String, Y String) ENGINE = ReplicatedMergeTree('/test/dest_table1', '1') ORDER BY tuple()"
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)
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node1.query("INSERT INTO dest_table VALUES(2, '2', 'Hello')")
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assert node1.query("SELECT COUNT() FROM dest_table") == "1\n"
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node1.exec_in_container(
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["find", "/var/lib/clickhouse/shadow/1/data/default/source_table"]
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)
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node1.exec_in_container(
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[
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"cp",
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"-r",
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"/var/lib/clickhouse/shadow/1/data/default/source_table/all_1_1_0/",
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"/var/lib/clickhouse/data/default/dest_table/detached",
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]
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)
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assert node1.query("SELECT COUNT() FROM dest_table") == "1\n"
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node1.query("ALTER TABLE dest_table ATTACH PARTITION tuple()")
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assert node1.query("SELECT sum(A) FROM dest_table") == "3\n"
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node1.query("ALTER TABLE dest_table DETACH PARTITION tuple()")
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node1.query("ALTER TABLE dest_table ATTACH PARTITION tuple()")
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assert node1.query("SELECT sum(A) FROM dest_table") == "3\n"
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assert node1.query("CHECK TABLE dest_table") == "1\n"
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node1.query("DROP TABLE source_table")
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node1.query("DROP TABLE dest_table")
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def test_backup_from_old_version_setting(started_cluster):
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node2.query(
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"CREATE TABLE source_table(A Int64, B String) Engine = MergeTree order by tuple()"
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)
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node2.query("INSERT INTO source_table VALUES(1, '1')")
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assert node2.query("SELECT COUNT() FROM source_table") == "1\n"
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node2.query("ALTER TABLE source_table ADD COLUMN Y String")
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node2.query("ALTER TABLE source_table FREEZE PARTITION tuple();")
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node2.restart_with_latest_version()
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node2.query(
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"CREATE TABLE dest_table (A Int64, B String, Y String) ENGINE = ReplicatedMergeTree('/test/dest_table2', '1') ORDER BY tuple() SETTINGS enable_mixed_granularity_parts = 1"
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)
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node2.query("INSERT INTO dest_table VALUES(2, '2', 'Hello')")
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assert node2.query("SELECT COUNT() FROM dest_table") == "1\n"
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node2.exec_in_container(
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[
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"cp",
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"-r",
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"/var/lib/clickhouse/shadow/1/data/default/source_table/all_1_1_0/",
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"/var/lib/clickhouse/data/default/dest_table/detached",
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]
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)
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assert node2.query("SELECT COUNT() FROM dest_table") == "1\n"
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node2.query("ALTER TABLE dest_table ATTACH PARTITION tuple()")
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assert node2.query("SELECT sum(A) FROM dest_table") == "3\n"
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node2.query("ALTER TABLE dest_table DETACH PARTITION tuple()")
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node2.query("ALTER TABLE dest_table ATTACH PARTITION tuple()")
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assert node2.query("SELECT sum(A) FROM dest_table") == "3\n"
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assert node2.query("CHECK TABLE dest_table") == "1\n"
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node2.query("DROP TABLE source_table")
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node2.query("DROP TABLE dest_table")
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def test_backup_from_old_version_config(started_cluster):
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node3.query(
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"CREATE TABLE source_table(A Int64, B String) Engine = MergeTree order by tuple()"
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)
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node3.query("INSERT INTO source_table VALUES(1, '1')")
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assert node3.query("SELECT COUNT() FROM source_table") == "1\n"
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node3.query("ALTER TABLE source_table ADD COLUMN Y String")
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node3.query("ALTER TABLE source_table FREEZE PARTITION tuple();")
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def callback(n):
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n.replace_config(
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"/etc/clickhouse-server/merge_tree_settings.xml",
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"<clickhouse><merge_tree><enable_mixed_granularity_parts>1</enable_mixed_granularity_parts></merge_tree></clickhouse>",
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)
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node3.restart_with_latest_version(callback_onstop=callback)
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node3.query(
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"CREATE TABLE dest_table (A Int64, B String, Y String) ENGINE = ReplicatedMergeTree('/test/dest_table3', '1') ORDER BY tuple() SETTINGS enable_mixed_granularity_parts = 1"
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)
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node3.query("INSERT INTO dest_table VALUES(2, '2', 'Hello')")
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assert node3.query("SELECT COUNT() FROM dest_table") == "1\n"
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node3.exec_in_container(
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[
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"cp",
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"-r",
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"/var/lib/clickhouse/shadow/1/data/default/source_table/all_1_1_0/",
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"/var/lib/clickhouse/data/default/dest_table/detached",
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]
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)
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assert node3.query("SELECT COUNT() FROM dest_table") == "1\n"
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node3.query("ALTER TABLE dest_table ATTACH PARTITION tuple()")
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assert node3.query("SELECT sum(A) FROM dest_table") == "3\n"
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node3.query("ALTER TABLE dest_table DETACH PARTITION tuple()")
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node3.query("ALTER TABLE dest_table ATTACH PARTITION tuple()")
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assert node3.query("SELECT sum(A) FROM dest_table") == "3\n"
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assert node3.query("CHECK TABLE dest_table") == "1\n"
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node3.query("DROP TABLE source_table")
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node3.query("DROP TABLE dest_table")
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def test_backup_and_alter(started_cluster):
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node4.query(
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"CREATE DATABASE test ENGINE=Ordinary"
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) # Different path in shadow/ with Atomic
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node4.query(
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"CREATE TABLE test.backup_table(A Int64, B String, C Date) Engine = MergeTree order by tuple()"
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)
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node4.query("INSERT INTO test.backup_table VALUES(2, '2', toDate('2019-10-01'))")
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node4.query("ALTER TABLE test.backup_table FREEZE PARTITION tuple();")
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node4.query("ALTER TABLE test.backup_table DROP COLUMN C")
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node4.query("ALTER TABLE test.backup_table MODIFY COLUMN B UInt64")
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node4.query("ALTER TABLE test.backup_table DROP PARTITION tuple()")
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node4.exec_in_container(
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[
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"cp",
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"-r",
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"/var/lib/clickhouse/shadow/1/data/test/backup_table/all_1_1_0/",
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"/var/lib/clickhouse/data/test/backup_table/detached",
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]
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)
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node4.query("ALTER TABLE test.backup_table ATTACH PARTITION tuple()")
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assert node4.query("SELECT sum(A) FROM test.backup_table") == "2\n"
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assert node4.query("SELECT B + 2 FROM test.backup_table") == "4\n"
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node4.query("DROP TABLE test.backup_table")
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node4.query("DROP DATABASE test")
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