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58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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DICTIONARY_FILES = ["configs/dictionaries/cache.xml"]
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cluster = ClickHouseCluster(__file__)
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instance = cluster.add_instance("instance", dictionaries=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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"""
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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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)
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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 (
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query("select dictGetString('cache', 'String_', toUInt64(12121212))")
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== "implicit-default\n"
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)
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assert (
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query("select dictGetDate('cache', 'Date_', toUInt64(12121212))")
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== "2015-11-25\n"
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)
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# Check, that empty null_value interprets as default value
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assert (
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query("select dictGetUInt64('cache', 'UInt64_', toUInt64(12121212))") == "0\n"
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)
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assert (
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query(
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"select toTimeZone(dictGetDateTime('cache', 'DateTime_', toUInt64(12121212)), 'UTC')"
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)
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== "1970-01-01 00:00:00\n"
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)
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