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152 lines
4.2 KiB
Python
Executable File
152 lines
4.2 KiB
Python
Executable File
import pytest
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import time
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance(
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"node",
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stay_alive=True,
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main_configs=[
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"configs/config.d/query_log.xml",
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"configs/config.d/schema_cache.xml",
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],
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)
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@pytest.fixture(scope="module")
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def start_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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def get_profile_event_for_query(node, query, profile_event):
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node.query("system flush logs")
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query = query.replace("'", "\\'")
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return int(
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node.query(
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f"select ProfileEvents['{profile_event}'] from system.query_log where query='{query}' and type = 'QueryFinish' order by query_start_time_microseconds desc limit 1"
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)
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)
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def check_cache_misses(node, file, amount=1):
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assert (
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get_profile_event_for_query(
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node, f"desc file('{file}')", "SchemaInferenceCacheMisses"
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)
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== amount
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)
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def check_cache_hits(node, file, amount=1):
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assert (
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get_profile_event_for_query(
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node, f"desc file('{file}')", "SchemaInferenceCacheHits"
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)
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== amount
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)
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def check_cache_invalidations(node, file, amount=1):
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assert (
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get_profile_event_for_query(
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node, f"desc file('{file}')", "SchemaInferenceCacheInvalidations"
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)
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== amount
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)
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def check_cache_evictions(node, file, amount=1):
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assert (
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get_profile_event_for_query(
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node, f"desc file('{file}')", "SchemaInferenceCacheEvictions"
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)
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== amount
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)
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def check_cache(node, expected_files):
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sources = node.query("select source from system.schema_inference_cache")
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assert sorted(map(lambda x: x.strip().split("/")[-1], sources.split())) == sorted(
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expected_files
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)
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def test(start_cluster):
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node.query("insert into function file('data.jsonl') select * from numbers(100)")
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time.sleep(1)
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node.query("desc file('data.jsonl')")
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check_cache(node, ["data.jsonl"])
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check_cache_misses(node, "data.jsonl")
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node.query("desc file('data.jsonl')")
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check_cache_hits(node, "data.jsonl")
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node.query("insert into function file('data.jsonl') select * from numbers(100)")
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time.sleep(1)
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node.query("desc file('data.jsonl')")
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check_cache_invalidations(node, "data.jsonl")
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node.query("insert into function file('data1.jsonl') select * from numbers(100)")
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time.sleep(1)
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node.query("desc file('data1.jsonl')")
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check_cache(node, ["data.jsonl", "data1.jsonl"])
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check_cache_misses(node, "data1.jsonl")
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node.query("desc file('data1.jsonl')")
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check_cache_hits(node, "data1.jsonl")
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node.query("insert into function file('data2.jsonl') select * from numbers(100)")
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time.sleep(1)
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node.query("desc file('data2.jsonl')")
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check_cache(node, ["data1.jsonl", "data2.jsonl"])
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check_cache_misses(node, "data2.jsonl")
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check_cache_evictions(node, "data2.jsonl")
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node.query("desc file('data2.jsonl')")
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check_cache_hits(node, "data2.jsonl")
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node.query("desc file('data1.jsonl')")
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check_cache_hits(node, "data1.jsonl")
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node.query("desc file('data.jsonl')")
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check_cache(node, ["data.jsonl", "data1.jsonl"])
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check_cache_misses(node, "data.jsonl")
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check_cache_evictions(node, "data.jsonl")
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node.query("desc file('data2.jsonl')")
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check_cache(node, ["data.jsonl", "data2.jsonl"])
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check_cache_misses(node, "data2.jsonl")
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check_cache_evictions(node, "data2.jsonl")
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node.query("desc file('data2.jsonl')")
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check_cache_hits(node, "data2.jsonl")
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node.query("desc file('data.jsonl')")
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check_cache_hits(node, "data.jsonl")
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node.query("insert into function file('data3.jsonl') select * from numbers(100)")
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time.sleep(1)
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node.query("desc file('data*.jsonl')")
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check_cache_hits(node, "data*.jsonl")
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node.query("system drop schema cache for file")
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check_cache(node, [])
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node.query("desc file('data*.jsonl')")
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check_cache_misses(node, "data*.jsonl", 4)
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node.query("system drop schema cache")
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check_cache(node, [])
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node.query("desc file('data*.jsonl')")
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check_cache_misses(node, "data*.jsonl", 4)
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