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55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
# pylint: disable=unused-argument
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# pylint: disable=redefined-outer-name
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# pylint: disable=line-too-long
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import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.client import QueryRuntimeException
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cluster = ClickHouseCluster(__file__)
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node_default = cluster.add_instance('node_default')
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node_buffer_profile = cluster.add_instance('node_buffer_profile',
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main_configs=['configs/buffer_profile.xml'],
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user_configs=['configs/users.d/buffer_profile.xml'])
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@pytest.fixture(scope='module', autouse=True)
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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 bootstrap(node):
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node.query("""
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CREATE TABLE data (key Int) Engine=MergeTree()
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ORDER BY key
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PARTITION BY key % 2;
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CREATE TABLE buffer AS data Engine=Buffer(currentDatabase(), data,
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/* settings for manual flush only */
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1, /* num_layers */
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10e6, /* min_time, placeholder */
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10e6, /* max_time, placeholder */
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0, /* min_rows */
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10e6, /* max_rows */
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0, /* min_bytes */
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80e6 /* max_bytes */
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);
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INSERT INTO buffer SELECT * FROM numbers(100);
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""")
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def test_default_profile():
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bootstrap(node_default)
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# flush the buffer
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node_default.query('OPTIMIZE TABLE buffer')
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def test_buffer_profile():
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bootstrap(node_buffer_profile)
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with pytest.raises(QueryRuntimeException, match='Too many partitions for single INSERT block'):
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# flush the buffer
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node_buffer_profile.query('OPTIMIZE TABLE buffer')
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