mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-24 00:22:29 +00:00
57 lines
2.5 KiB
Python
57 lines
2.5 KiB
Python
from contextlib import contextmanager
|
|
|
|
import time
|
|
import pytest
|
|
|
|
from helpers.cluster import ClickHouseCluster
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
|
|
instance_test_mutations = cluster.add_instance('test_mutations_with_merge_tree', main_configs=['configs/config.xml'], user_configs=['configs/users.xml'])
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
instance_test_mutations.query('''CREATE TABLE test_mutations_with_ast_elements(date Date, a UInt64, b String) ENGINE = MergeTree(date, (a, date), 8192)''')
|
|
instance_test_mutations.query('''INSERT INTO test_mutations_with_ast_elements SELECT '2019-07-29' AS date, 1, toString(number) FROM numbers(1)''')
|
|
yield cluster
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def test_mutations_with_merge_background_task(started_cluster):
|
|
instance_test_mutations.query('''SYSTEM STOP MERGES test_mutations_with_ast_elements''')
|
|
|
|
## The number of asts per query is 15
|
|
for execution_times_for_mutation in range(100):
|
|
instance_test_mutations.query('''ALTER TABLE test_mutations_with_ast_elements DELETE WHERE 1 = 1 AND toUInt32(b) IN (1)''')
|
|
|
|
all_done = False
|
|
for wait_times_for_mutation in range(100): # wait for replication 80 seconds max
|
|
time.sleep(0.8)
|
|
|
|
def get_done_mutations(instance):
|
|
instance_test_mutations.query('''DETACH TABLE test_mutations_with_ast_elements''')
|
|
instance_test_mutations.query('''ATTACH TABLE test_mutations_with_ast_elements''')
|
|
return int(instance.query("SELECT sum(is_done) FROM system.mutations WHERE table = 'test_mutations_with_ast_elements'").rstrip())
|
|
|
|
if get_done_mutations(instance_test_mutations) == 100:
|
|
all_done = True
|
|
break
|
|
|
|
print instance_test_mutations.query("SELECT mutation_id, command, parts_to_do, is_done FROM system.mutations WHERE table = 'test_mutations_with_ast_elements' FORMAT TSVWithNames")
|
|
assert all_done
|
|
|
|
def test_mutations_with_truncate_table(started_cluster):
|
|
instance_test_mutations.query('''SYSTEM STOP MERGES test_mutations_with_ast_elements''')
|
|
|
|
## The number of asts per query is 15
|
|
for execute_number in range(100):
|
|
instance_test_mutations.query('''ALTER TABLE test_mutations_with_ast_elements DELETE WHERE 1 = 1 AND toUInt32(b) IN (1)''')
|
|
|
|
instance_test_mutations.query("TRUNCATE TABLE test_mutations_with_ast_elements")
|
|
assert instance_test_mutations.query("SELECT COUNT() FROM system.mutations WHERE table = 'test_mutations_with_ast_elements'").rstrip() == '0'
|
|
|