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135 lines
6.7 KiB
Python
135 lines
6.7 KiB
Python
import time
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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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instance_test_mutations = cluster.add_instance('test_mutations_with_merge_tree', main_configs=['configs/config.xml'],
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user_configs=['configs/users.xml'])
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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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instance_test_mutations.query(
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'''CREATE TABLE test_mutations_with_ast_elements(date Date, a UInt64, b String) ENGINE = MergeTree(date, (a, date), 8192)''')
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instance_test_mutations.query(
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'''INSERT INTO test_mutations_with_ast_elements SELECT '2019-07-29' AS date, 1, toString(number) FROM numbers(1) SETTINGS force_index_by_date = 0, force_primary_key = 0''')
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yield cluster
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finally:
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cluster.shutdown()
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def test_mutations_in_partition_background(started_cluster):
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try:
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numbers = 100 # FIXME too many mutations (66) simultaneously will stuck ClickHouse
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name = "test_mutations_in_partition"
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instance_test_mutations.query(
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f'''CREATE TABLE {name} (date Date, a UInt64, b String) ENGINE = MergeTree() ORDER BY tuple() PARTITION BY a''')
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instance_test_mutations.query(
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f'''INSERT INTO {name} SELECT '2019-07-29' AS date, number, toString(number) FROM numbers({numbers})''')
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for i in range(0, numbers, 3):
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instance_test_mutations.query(f'''ALTER TABLE {name} DELETE IN PARTITION {i} WHERE a = {i}''')
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for i in range(1, numbers, 3):
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instance_test_mutations.query(f'''ALTER TABLE {name} UPDATE b = 'changed' IN PARTITION {i} WHERE a = {i} ''')
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def count_and_changed():
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return instance_test_mutations.query(f"SELECT count(), countIf(b == 'changed') FROM {name} SETTINGS force_index_by_date = 0, force_primary_key = 0 FORMAT CSV").splitlines()
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all_done = False
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for wait_times_for_mutation in range(100): # wait for replication 80 seconds max
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time.sleep(0.8)
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if count_and_changed() == ["66,33"]:
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all_done = True
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break
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print(instance_test_mutations.query(
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f"SELECT mutation_id, command, parts_to_do, is_done, latest_failed_part, latest_fail_reason, parts_to_do_names FROM system.mutations WHERE table = '{name}' SETTINGS force_index_by_date = 0, force_primary_key = 0 FORMAT TSVWithNames"))
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assert (count_and_changed(), all_done) == (["66,33"], True)
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assert instance_test_mutations.query(f"SELECT count(), sum(is_done) FROM system.mutations WHERE table = '{name}' SETTINGS force_index_by_date = 0, force_primary_key = 0 FORMAT CSV").splitlines() == ["67,67"]
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finally:
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instance_test_mutations.query(f'''DROP TABLE {name}''')
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@pytest.mark.parametrize("sync", [
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("last",),
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("all",)
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])
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def test_mutations_in_partition_sync(started_cluster, sync):
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try:
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numbers = 10 # FIXME too many mutations (66) simultaneously will stuck ClickHouse
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name = "test_mutations_in_partition_sync"
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instance_test_mutations.query(
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f'''CREATE TABLE {name} (date Date, a UInt64, b String) ENGINE = MergeTree() ORDER BY tuple() PARTITION BY a''')
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instance_test_mutations.query(
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f'''INSERT INTO {name} SELECT '2019-07-29' AS date, number, toString(number) FROM numbers({numbers})''')
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for i in range(0, numbers, 3):
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instance_test_mutations.query(f'''ALTER TABLE {name} DELETE IN PARTITION {i} WHERE a = {i}'''
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+ (' SETTINGS mutations_sync = 1' if sync == 'all' else ''))
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for reverse_index, i in reversed(list(enumerate(reversed(range(1, numbers, 3))))):
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instance_test_mutations.query(f'''ALTER TABLE {name} UPDATE b = 'changed' IN PARTITION {i} WHERE a = {i}'''
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+ (' SETTINGS mutations_sync = 1' if not reverse_index or sync == 'all' else ''))
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def count_and_changed():
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return instance_test_mutations.query(f"SELECT count(), countIf(b == 'changed') FROM {name} SETTINGS force_index_by_date = 0, force_primary_key = 0 FORMAT CSV").splitlines()
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print(instance_test_mutations.query(
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f"SELECT mutation_id, command, parts_to_do, is_done, latest_failed_part, latest_fail_reason FROM system.mutations WHERE table = '{name}' SETTINGS force_index_by_date = 0, force_primary_key = 0 FORMAT TSVWithNames"))
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assert count_and_changed() == ["6,3"]
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assert instance_test_mutations.query(f"SELECT count(), sum(is_done) FROM system.mutations WHERE table = '{name}' SETTINGS force_index_by_date = 0, force_primary_key = 0 FORMAT CSV").splitlines() == ["7,7"]
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finally:
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instance_test_mutations.query(f'''DROP TABLE {name}''')
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def test_mutations_with_merge_background_task(started_cluster):
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instance_test_mutations.query('''SYSTEM STOP MERGES test_mutations_with_ast_elements''')
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## The number of asts per query is 15
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for execution_times_for_mutation in range(100):
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instance_test_mutations.query(
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'''ALTER TABLE test_mutations_with_ast_elements DELETE WHERE 1 = 1 AND toUInt32(b) IN (1)''')
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all_done = False
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for wait_times_for_mutation in range(100): # wait for replication 80 seconds max
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time.sleep(0.8)
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def get_done_mutations(instance):
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instance_test_mutations.query('''DETACH TABLE test_mutations_with_ast_elements''')
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instance_test_mutations.query('''ATTACH TABLE test_mutations_with_ast_elements''')
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return int(instance.query(
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"SELECT sum(is_done) FROM system.mutations WHERE table = 'test_mutations_with_ast_elements' SETTINGS force_index_by_date = 0, force_primary_key = 0").rstrip())
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if get_done_mutations(instance_test_mutations) == 100:
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all_done = True
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break
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print(instance_test_mutations.query(
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"SELECT mutation_id, command, parts_to_do, is_done FROM system.mutations WHERE table = 'test_mutations_with_ast_elements' SETTINGS force_index_by_date = 0, force_primary_key = 0 FORMAT TSVWithNames"))
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assert all_done
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def test_mutations_with_truncate_table(started_cluster):
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instance_test_mutations.query('''SYSTEM STOP MERGES test_mutations_with_ast_elements''')
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## The number of asts per query is 15
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for execute_number in range(100):
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instance_test_mutations.query(
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'''ALTER TABLE test_mutations_with_ast_elements DELETE WHERE 1 = 1 AND toUInt32(b) IN (1)''')
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instance_test_mutations.query("TRUNCATE TABLE test_mutations_with_ast_elements")
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assert instance_test_mutations.query(
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"SELECT COUNT() FROM system.mutations WHERE table = 'test_mutations_with_ast_elements SETTINGS force_index_by_date = 0, force_primary_key = 0'").rstrip() == '0'
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