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43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance("node1", main_configs=["configs/remote_servers.xml"])
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node2 = cluster.add_instance("node2", main_configs=["configs/remote_servers.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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for node in (node1, node2):
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node.query(
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"""CREATE TABLE local_table(id UInt32, val String) ENGINE = MergeTree ORDER BY id;"""
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)
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node1.query(
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"""CREATE TABLE distributed_table(id UInt32, val String) ENGINE = Distributed(test_cluster, default, local_table, id);"""
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)
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yield cluster
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finally:
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cluster.shutdown()
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def test_start_and_stop_replica_send(started_cluster):
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node1.query("SYSTEM STOP DISTRIBUTED SENDS distributed_table;")
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node1.query("INSERT INTO distributed_table VALUES (0, 'node1')")
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node1.query("INSERT INTO distributed_table VALUES (1, 'node2')")
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# Write only to this node when stop distributed sends
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assert node1.query("SELECT COUNT() FROM distributed_table").rstrip() == "1"
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node1.query("SYSTEM START DISTRIBUTED SENDS distributed_table;")
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node1.query("SYSTEM FLUSH DISTRIBUTED distributed_table;")
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assert node1.query("SELECT COUNT() FROM distributed_table").rstrip() == "2"
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