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89 lines
3.5 KiB
Python
89 lines
3.5 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(
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"test_mutations_with_projection",
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main_configs=["configs/config.xml"],
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user_configs=["configs/users.xml"],
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)
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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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"""
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CREATE TABLE video_log
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(
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`datetime` DateTime, -- 20,000 records per second
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`user_id` UInt64, -- Cardinality == 100,000,000
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`device_id` UInt64, -- Cardinality == 200,000,000
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`video_id` UInt64, -- Cardinality == 100,00000
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`domain` LowCardinality(String), -- Cardinality == 100
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`bytes` UInt64, -- Ranging from 128 to 1152
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`duration` UInt64, -- Ranging from 100 to 400
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PROJECTION p_norm (SELECT datetime, device_id, bytes, duration ORDER BY device_id),
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PROJECTION p_agg (SELECT toStartOfHour(datetime) AS hour, domain, sum(bytes), avg(duration) GROUP BY hour, domain)
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)
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ENGINE = MergeTree
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PARTITION BY toDate(datetime) -- Daily partitioning
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ORDER BY (user_id, device_id, video_id) -- Can only favor one column here
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SETTINGS index_granularity = 1000;
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"""
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)
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instance_test_mutations.query(
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"""CREATE TABLE rng (`user_id_raw` UInt64, `device_id_raw` UInt64, `video_id_raw` UInt64, `domain_raw` UInt64, `bytes_raw` UInt64, `duration_raw` UInt64) ENGINE = GenerateRandom(1024);"""
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)
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instance_test_mutations.query(
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"""INSERT INTO video_log SELECT toUnixTimestamp(toDateTime(today())) + (rowNumberInAllBlocks() / 20000), user_id_raw % 100000000 AS user_id, device_id_raw % 200000000 AS device_id, video_id_raw % 100000000 AS video_id, domain_raw % 100, (bytes_raw % 1024) + 128, (duration_raw % 300) + 100 FROM rng LIMIT 500000;"""
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)
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instance_test_mutations.query("""OPTIMIZE TABLE video_log FINAL;""")
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yield cluster
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finally:
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cluster.shutdown()
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def test_mutations_with_multi_level_merge_of_projections(started_cluster):
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try:
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instance_test_mutations.query(
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"""ALTER TABLE video_log UPDATE bytes = bytes + 10086 WHERE 1;"""
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)
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def count_and_changed():
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return instance_test_mutations.query(
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"SELECT count(), countIf(bytes > 10000) FROM video_log SETTINGS force_index_by_date = 0, force_primary_key = 0 FORMAT CSV"
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).splitlines()
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all_done = False
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for wait_times_for_mutation in range(
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100
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): # wait for replication 80 seconds max
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time.sleep(0.8)
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if count_and_changed() == ["500000,500000"]:
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all_done = True
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break
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print(
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instance_test_mutations.query(
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"SELECT mutation_id, command, parts_to_do, is_done, latest_failed_part, latest_fail_reason, parts_to_do_names FROM system.mutations WHERE table = 'video_log' SETTINGS force_index_by_date = 0, force_primary_key = 0 FORMAT TSVWithNames"
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)
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)
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assert (count_and_changed(), all_done) == (["500000,500000"], True)
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assert instance_test_mutations.query(
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f"SELECT DISTINCT arraySort(projections) FROM system.parts WHERE table = 'video_log' SETTINGS force_index_by_date = 0, force_primary_key = 0 FORMAT TSVRaw"
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).splitlines() == ["['p_agg','p_norm']"]
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finally:
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instance_test_mutations.query(f"""DROP TABLE video_log""")
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