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https://github.com/ClickHouse/ClickHouse.git
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135 lines
4.7 KiB
Python
135 lines
4.7 KiB
Python
import pytest
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import os
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import TSV
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from generate_dictionaries import generate_structure, generate_dictionaries, DictionaryTestTable
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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cluster = None
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instance = None
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test_table = None
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def setup_module(module):
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global cluster
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global instance
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global test_table
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structure = generate_structure()
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dictionary_files = generate_dictionaries(os.path.join(SCRIPT_DIR, 'configs/dictionaries'), structure)
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cluster = ClickHouseCluster(__file__, base_configs_dir=os.path.join(SCRIPT_DIR, 'configs'))
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instance = cluster.add_instance('instance', main_configs=dictionary_files)
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test_table = DictionaryTestTable(os.path.join(SCRIPT_DIR, 'configs/dictionaries/source.tsv'))
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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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test_table.create_clickhouse_source(instance)
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for line in TSV(instance.query('select name from system.dictionaries')).lines:
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print line,
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yield cluster
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finally:
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cluster.shutdown()
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@pytest.fixture(params=[
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# name, keys, use_parent
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('clickhouse_hashed', ('id',), True),
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('clickhouse_flat', ('id',), True),
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('clickhouse_complex_integers_key_hashed', ('key0', 'key1'), False),
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('clickhouse_complex_mixed_key_hashed', ('key0_str', 'key1'), False),
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('clickhouse_range_hashed', ('id', 'StartDate', 'EndDate'), False),
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],
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ids=['clickhouse_hashed', 'clickhouse_flat',
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'clickhouse_complex_integers_key_hashed',
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'clickhouse_complex_mixed_key_hashed',
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'clickhouse_range_hashed']
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)
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def dictionary_structure(started_cluster, request):
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return request.param
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def test_select_all(dictionary_structure):
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name, keys, use_parent = dictionary_structure
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query = instance.query
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structure = test_table.get_structure_for_keys(keys, use_parent)
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query('''
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DROP TABLE IF EXISTS test.{0}
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'''.format(name))
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create_query = "CREATE TABLE test.{0} ({1}) engine = Dictionary({0})".format(name, structure)
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TSV(query(create_query))
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result = TSV(query('select * from test.{0}'.format(name)))
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diff = test_table.compare_by_keys(keys, result.lines, use_parent, add_not_found_rows=True)
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print test_table.process_diff(diff)
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assert not diff
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@pytest.fixture(params=[
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# name, keys, use_parent
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('clickhouse_cache', ('id',), True),
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('clickhouse_complex_integers_key_cache', ('key0', 'key1'), False),
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('clickhouse_complex_mixed_key_cache', ('key0_str', 'key1'), False)
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],
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ids=['clickhouse_cache', 'clickhouse_complex_integers_key_cache', 'clickhouse_complex_mixed_key_cache']
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)
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def cached_dictionary_structure(started_cluster, request):
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return request.param
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def test_select_all_from_cached(cached_dictionary_structure):
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name, keys, use_parent = cached_dictionary_structure
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query = instance.query
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structure = test_table.get_structure_for_keys(keys, use_parent)
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query('''
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DROP TABLE IF EXISTS test.{0}
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'''.format(name))
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create_query = "CREATE TABLE test.{0} ({1}) engine = Dictionary({0})".format(name, structure)
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TSV(query(create_query))
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for i in range(4):
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result = TSV(query('select * from test.{0}'.format(name)))
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diff = test_table.compare_by_keys(keys, result.lines, use_parent, add_not_found_rows=False)
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print test_table.process_diff(diff)
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assert not diff
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key = []
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for key_name in keys:
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if key_name.endswith('str'):
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key.append("'" + str(i) + "'")
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else:
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key.append(str(i))
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if len(key) == 1:
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key = 'toUInt64(' + str(i) + ')'
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else:
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key = str('(' + ','.join(key) + ')')
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query("select dictGetUInt8('{0}', 'UInt8_', {1})".format(name, key))
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result = TSV(query('select * from test.{0}'.format(name)))
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diff = test_table.compare_by_keys(keys, result.lines, use_parent, add_not_found_rows=True)
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print test_table.process_diff(diff)
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assert not diff
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def test_null_value(started_cluster):
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query = instance.query
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assert TSV(query("select dictGetUInt8('clickhouse_cache', 'UInt8_', toUInt64(12121212))")) == TSV("1")
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assert TSV(query("select dictGetString('clickhouse_cache', 'String_', toUInt64(12121212))")) == TSV("implicit-default")
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assert TSV(query("select dictGetDate('clickhouse_cache', 'Date_', toUInt64(12121212))")) == TSV("2015-11-25")
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# Check, that empty null_value interprets as default value
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assert TSV(query("select dictGetUInt64('clickhouse_cache', 'UInt64_', toUInt64(12121212))")) == TSV("0")
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assert TSV(query("select dictGetDateTime('clickhouse_cache', 'DateTime_', toUInt64(12121212))")) == TSV("0000-00-00 00:00:00")
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