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62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
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import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import assert_eq_with_retry
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cluster = ClickHouseCluster(__file__)
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node_1 = cluster.add_instance(
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"node_1",
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main_configs=["configs/clusters.xml"],
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with_zookeeper=True,
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macros={"shard": 1, "replica": 1},
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)
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node_2 = cluster.add_instance(
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"node_2",
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main_configs=["configs/clusters.xml"],
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with_zookeeper=True,
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macros={"shard": 1, "replica": 2},
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)
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def assert_create_query(nodes, database_name, table_name, expected):
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query = "SELECT create_table_query FROM system.tables WHERE database='{}' AND table='{}'".format(
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database_name, table_name
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)
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for node in nodes:
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assert_eq_with_retry(node, query, expected)
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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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yield cluster
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finally:
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cluster.shutdown()
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def test_comment(started_cluster):
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node_1.query(
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"CREATE TABLE test_table ON CLUSTER 'cluster' (id Int64) ENGINE=ReplicatedMergeTree() ORDER BY id"
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)
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node_1.query(
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"ALTER TABLE test_table ON CLUSTER 'cluster' COMMENT COLUMN id 'column_comment_1'"
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)
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node_1.query(
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"ALTER TABLE test_table ON CLUSTER 'cluster' MODIFY COMMENT 'table_comment_1';"
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)
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expected = "CREATE TABLE default.test_table (`id` Int64 COMMENT \\'column_comment_1\\') ENGINE = ReplicatedMergeTree(\\'/clickhouse/tables/{uuid}/{shard}\\', \\'{replica}\\') ORDER BY id SETTINGS index_granularity = 8192 COMMENT \\'table_comment_1\\'"
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assert_create_query([node_1, node_2], "default", "test_table", expected)
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node_1.query(
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"ALTER TABLE test_table ON CLUSTER 'cluster' COMMENT COLUMN id 'column_comment_2'"
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)
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node_1.query(
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"ALTER TABLE test_table ON CLUSTER 'cluster' MODIFY COMMENT 'table_comment_2';"
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)
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expected = "CREATE TABLE default.test_table (`id` Int64 COMMENT \\'column_comment_2\\') ENGINE = ReplicatedMergeTree(\\'/clickhouse/tables/{uuid}/{shard}\\', \\'{replica}\\') ORDER BY id SETTINGS index_granularity = 8192 COMMENT \\'table_comment_2\\'"
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assert_create_query([node_1, node_2], "default", "test_table", expected)
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