ClickHouse/tests/integration/test_attach_partition_with_large_destination/test.py
Amr Alaa ad81977ace
Skip max_partition_size_to_drop check in case of ATTACH PARTITION ... FROM (#30995)
* Skip checkPartitionCanBeDropped check in case of ATTACH PARTITION ... FROM

* Add integration test

* Fix syntax error

* Fix integration test

* Fix integration test

* Fix integration test

* Skip max_partition_size_to_drop for MOVE PARTITION
2021-11-08 13:07:14 +03:00

50 lines
2.3 KiB
Python

import pytest
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node = cluster.add_instance('node', main_configs=["configs/config.xml"], with_zookeeper=True)
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def create_force_drop_flag(node):
force_drop_flag_path = "/var/lib/clickhouse/flags/force_drop_table"
node.exec_in_container(["bash", "-c", "touch {} && chmod a=rw {}".format(force_drop_flag_path, force_drop_flag_path)], user="root")
@pytest.mark.parametrize("engine", ['Ordinary', 'Atomic'])
def test_attach_partition_with_large_destination(started_cluster, engine):
# Initialize
node.query("CREATE DATABASE db ENGINE={}".format(engine))
node.query("CREATE TABLE db.destination (n UInt64) ENGINE=ReplicatedMergeTree('/test/destination', 'r1') ORDER BY n PARTITION BY n % 2")
node.query("CREATE TABLE db.source_1 (n UInt64) ENGINE=ReplicatedMergeTree('/test/source_1', 'r1') ORDER BY n PARTITION BY n % 2")
node.query("INSERT INTO db.source_1 VALUES (1), (2), (3), (4)")
node.query("CREATE TABLE db.source_2 (n UInt64) ENGINE=ReplicatedMergeTree('/test/source_2', 'r1') ORDER BY n PARTITION BY n % 2")
node.query("INSERT INTO db.source_2 VALUES (5), (6), (7), (8)")
# Attach partition when destination partition is empty
node.query("ALTER TABLE db.destination ATTACH PARTITION 0 FROM db.source_1")
assert node.query("SELECT n FROM db.destination ORDER BY n") == "2\n4\n"
# REPLACE PARTITION should still respect max_partition_size_to_drop
assert node.query_and_get_error("ALTER TABLE db.destination REPLACE PARTITION 0 FROM db.source_2")
assert node.query("SELECT n FROM db.destination ORDER BY n") == "2\n4\n"
# Attach partition when destination partition is larger than max_partition_size_to_drop
node.query("ALTER TABLE db.destination ATTACH PARTITION 0 FROM db.source_2")
assert node.query("SELECT n FROM db.destination ORDER BY n") == "2\n4\n6\n8\n"
# Cleanup
create_force_drop_flag(node)
node.query("DROP TABLE db.source_1 SYNC")
create_force_drop_flag(node)
node.query("DROP TABLE db.source_2 SYNC")
create_force_drop_flag(node)
node.query("DROP TABLE db.destination SYNC")
node.query("DROP DATABASE db")