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46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
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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, assert_eq_with_retry
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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DICTIONARY_FILES = ['configs/dictionaries/cache.xml']
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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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@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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instance.query('''
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CREATE DATABASE IF NOT EXISTS test;
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DROP TABLE IF EXISTS test.source;
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CREATE TABLE test.source (id UInt64, key0 UInt8, key0_str String, key1 UInt8,
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StartDate Date, EndDate Date,
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UInt8_ UInt8, UInt16_ UInt16, UInt32_ UInt32, UInt64_ UInt64,
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Int8_ Int8, Int16_ Int16, Int32_ Int32, Int64_ Int64,
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Float32_ Float32, Float64_ Float64,
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String_ String,
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Date_ Date, DateTime_ DateTime, Parent UInt64) ENGINE=Log;
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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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def test_null_value(started_cluster):
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query = instance.query
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assert query("select dictGetUInt8('cache', 'UInt8_', toUInt64(12121212))") == "1\n"
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assert query("select dictGetString('cache', 'String_', toUInt64(12121212))") == "implicit-default\n"
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assert query("select dictGetDate('cache', 'Date_', toUInt64(12121212))") == "2015-11-25\n"
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# Check, that empty null_value interprets as default value
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assert query("select dictGetUInt64('cache', 'UInt64_', toUInt64(12121212))") == "0\n"
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assert query("select dictGetDateTime('cache', 'DateTime_', toUInt64(12121212))") == "0000-00-00 00:00:00\n"
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