ClickHouse/tests/integration/test_part_log_table/test.py

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import pytest
from helpers.cluster import ClickHouseCluster
cluster = ClickHouseCluster(__file__)
node1 = cluster.add_instance("node1")
node2 = cluster.add_instance("node2", main_configs=["configs/config_with_standard_part_log.xml"])
node3 = cluster.add_instance("node3", main_configs=["configs/config_with_non_standard_part_log.xml"])
@pytest.fixture(scope="module")
def start_cluster():
try:
cluster.start()
yield cluster
finally:
cluster.shutdown()
def test_config_without_part_log(start_cluster):
assert "Table system.part_log doesn't exist" in node1.query_and_get_error("SELECT * FROM system.part_log")
node1.query("CREATE TABLE test_table(word String, value UInt64) ENGINE=MergeTree() ORDER BY value")
assert "Table system.part_log doesn't exist" in node1.query_and_get_error("SELECT * FROM system.part_log")
node1.query("INSERT INTO test_table VALUES ('name', 1)")
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node1.query("SYSTEM FLUSH LOGS")
assert "Table system.part_log doesn't exist" in node1.query_and_get_error("SELECT * FROM system.part_log")
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# Note: if part_log is defined, we cannot say when the table will be created - because of metric_log, trace_log, text_log, query_log...
def test_config_with_standard_part_log(start_cluster):
node2.query("CREATE TABLE test_table(word String, value UInt64) ENGINE=MergeTree() Order by value")
node2.query("INSERT INTO test_table VALUES ('name', 1)")
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node2.query("SYSTEM FLUSH LOGS")
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assert node2.query("SELECT * FROM system.part_log") != ""
def test_config_with_non_standard_part_log(start_cluster):
node3.query("CREATE TABLE test_table(word String, value UInt64) ENGINE=MergeTree() Order by value")
node3.query("INSERT INTO test_table VALUES ('name', 1)")
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node3.query("SYSTEM FLUSH LOGS")
assert node3.query("SELECT * FROM system.own_part_log") != ""