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48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
import pytest
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import asyncio
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import re
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import random
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import os.path
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import assert_eq_with_retry, TSV
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cluster = ClickHouseCluster(__file__)
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instance = cluster.add_instance("instance", user_configs=["users.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 test_merge_tree_settings_constraints():
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assert "Setting storage_policy should not be changed" in instance.query_and_get_error(
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f"CREATE TABLE wrong_table (number Int64) engine = MergeTree() ORDER BY number SETTINGS storage_policy = 'secret_policy'"
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)
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expected_error = "Setting min_bytes_for_wide_part should"
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assert expected_error in instance.query_and_get_error(
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f"CREATE TABLE wrong_table (number Int64) engine = MergeTree() ORDER BY number SETTINGS min_bytes_for_wide_part = 100"
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)
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assert expected_error in instance.query_and_get_error(
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f"CREATE TABLE wrong_table (number Int64) engine = MergeTree() ORDER BY number SETTINGS min_bytes_for_wide_part = 1000000000"
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)
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instance.query(
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f"CREATE TABLE good_table (number Int64) engine = MergeTree() ORDER BY number SETTINGS min_bytes_for_wide_part = 10000000"
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)
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assert expected_error in instance.query_and_get_error(
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f"ALTER TABLE good_table MODIFY SETTING min_bytes_for_wide_part = 100"
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)
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assert expected_error in instance.query_and_get_error(
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f"ALTER TABLE good_table MODIFY SETTING min_bytes_for_wide_part = 1000000000"
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)
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