ClickHouse/tests/integration/test_alter_codec/test.py
Yatsishin Ilya e9ccf906c4 improvements
2021-05-25 16:40:22 +03:00

98 lines
3.9 KiB
Python

import pytest
from helpers.client import QueryRuntimeException
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance('node1',
main_configs=['configs/logs_config.xml'])
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_alter_codec_pk(started_cluster):
try:
name = "test_alter_codec_pk"
node1.query("""
CREATE TABLE {name} (id UInt64, value UInt64) Engine=MergeTree() ORDER BY id
""".format(name=name))
node1.query("INSERT INTO {name} SELECT number, number * number from numbers(100)".format(name=name))
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64 CODEC(NONE)".format(name=name))
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64 CODEC(Delta, LZ4)".format(name=name))
assert node1.query("SELECT sum(id) FROM {name}".format(name=name)) == "4950\n"
with pytest.raises(QueryRuntimeException):
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt32 CODEC(Delta, LZ4)".format(name=name))
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64 DEFAULT 3 CODEC(Delta, LZ4)".format(name=name))
node1.query("INSERT INTO {name} (value) VALUES (1)".format(name=name))
assert node1.query("SELECT sum(id) FROM {name}".format(name=name)) == "4953\n"
with pytest.raises(QueryRuntimeException):
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64 ALIAS 3 CODEC(Delta, LZ4)".format(name=name))
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64 MATERIALIZED 3 CODEC(Delta, LZ4)".format(name=name))
node1.query("INSERT INTO {name} (value) VALUES (1)".format(name=name))
assert node1.query("SELECT sum(id) FROM {name}".format(name=name)) == "4956\n"
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64".format(name=name))
with pytest.raises(QueryRuntimeException):
node1.query("ALTER TABLE {name} MODIFY COLUMN id Int64".format(name=name))
finally:
node1.query("DROP TABLE IF EXISTS {name}".format(name=name))
def test_alter_codec_index(started_cluster):
try:
name = "test_alter_codec_index"
node1.query("""
CREATE TABLE {name} (`id` UInt64, value UInt64, INDEX id_index id TYPE minmax GRANULARITY 1) Engine=MergeTree() ORDER BY tuple()
""".format(name=name))
node1.query("INSERT INTO {name} SELECT number, number * number from numbers(100)".format(name=name))
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64 CODEC(NONE)".format(name=name))
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64 CODEC(Delta, LZ4)".format(name=name))
with pytest.raises(QueryRuntimeException):
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt32 CODEC(Delta, LZ4)".format(name=name))
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64 DEFAULT 3 CODEC(Delta, LZ4)".format(name=name))
node1.query("INSERT INTO {name} (value) VALUES (1)".format(name=name))
assert node1.query("SELECT sum(id) FROM {name}".format(name=name)) == "4953\n"
with pytest.raises(QueryRuntimeException):
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64 ALIAS 3 CODEC(Delta, LZ4)".format(name=name))
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64 MATERIALIZED 3 CODEC(Delta, LZ4)".format(name=name))
node1.query("INSERT INTO {name} (value) VALUES (1)".format(name=name))
assert node1.query("SELECT sum(id) FROM {name}".format(name=name)) == "4956\n"
node1.query("ALTER TABLE {name} MODIFY COLUMN id UInt64".format(name=name))
with pytest.raises(QueryRuntimeException):
node1.query("ALTER TABLE {name} MODIFY COLUMN id Int64".format(name=name))
finally:
node1.query("DROP TABLE IF EXISTS {name}".format(name=name))