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106 lines
2.8 KiB
Python
106 lines
2.8 KiB
Python
## sudo -H pip install PyMySQL
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import time
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import pytest
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from helpers.cluster import ClickHouseCluster
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from helpers.cluster import ClickHouseKiller
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cluster = ClickHouseCluster(__file__)
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node = cluster.add_instance("main_node", main_configs=[])
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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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node.query(
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"""
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CREATE TABLE table_for_update_field_dictionary
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(
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key UInt64,
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value String,
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last_insert_time DateTime
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)
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ENGINE = TinyLog;
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"""
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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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@pytest.mark.parametrize(
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"dictionary_name,dictionary_type",
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[
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("flat_update_field_dictionary", "FLAT"),
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("simple_key_hashed_update_field_dictionary", "HASHED"),
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("complex_key_hashed_update_field_dictionary", "COMPLEX_KEY_HASHED"),
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],
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)
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def test_update_field(started_cluster, dictionary_name, dictionary_type):
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create_dictionary_query = """
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CREATE DICTIONARY {dictionary_name}
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(
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key UInt64,
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value String,
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last_insert_time DateTime
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)
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PRIMARY KEY key
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SOURCE(CLICKHOUSE(table 'table_for_update_field_dictionary' update_field 'last_insert_time'))
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LAYOUT({dictionary_type}())
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LIFETIME(1);
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""".format(
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dictionary_name=dictionary_name, dictionary_type=dictionary_type
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)
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node.query(create_dictionary_query)
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node.query(
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"INSERT INTO table_for_update_field_dictionary VALUES (1, 'First', now());"
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)
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query_result = node.query(
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"SELECT key, value FROM {dictionary_name} ORDER BY key ASC".format(
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dictionary_name=dictionary_name
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)
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)
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assert query_result == "1\tFirst\n"
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node.query(
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"INSERT INTO table_for_update_field_dictionary VALUES (2, 'Second', now());"
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)
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time.sleep(10)
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query_result = node.query(
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"SELECT key, value FROM {dictionary_name} ORDER BY key ASC".format(
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dictionary_name=dictionary_name
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)
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)
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assert query_result == "1\tFirst\n2\tSecond\n"
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node.query(
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"INSERT INTO table_for_update_field_dictionary VALUES (2, 'SecondUpdated', now());"
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)
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node.query(
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"INSERT INTO table_for_update_field_dictionary VALUES (3, 'Third', now());"
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)
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time.sleep(10)
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query_result = node.query(
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"SELECT key, value FROM {dictionary_name} ORDER BY key ASC".format(
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dictionary_name=dictionary_name
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)
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)
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assert query_result == "1\tFirst\n2\tSecondUpdated\n3\tThird\n"
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node.query("TRUNCATE TABLE table_for_update_field_dictionary")
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node.query(
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"DROP DICTIONARY {dictionary_name}".format(dictionary_name=dictionary_name)
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)
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