mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-24 02:30:51 +00:00
46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
import pytest
|
|
import os
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.test_tools import TSV, assert_eq_with_retry
|
|
|
|
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
|
|
DICTIONARY_FILES = ['configs/dictionaries/cache.xml']
|
|
|
|
cluster = ClickHouseCluster(__file__, base_configs_dir=os.path.join(SCRIPT_DIR, 'configs'))
|
|
instance = cluster.add_instance('instance', main_configs=DICTIONARY_FILES)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
instance.query('''
|
|
CREATE DATABASE IF NOT EXISTS test;
|
|
DROP TABLE IF EXISTS test.source;
|
|
CREATE TABLE test.source (id UInt64, key0 UInt8, key0_str String, key1 UInt8,
|
|
StartDate Date, EndDate Date,
|
|
UInt8_ UInt8, UInt16_ UInt16, UInt32_ UInt32, UInt64_ UInt64,
|
|
Int8_ Int8, Int16_ Int16, Int32_ Int32, Int64_ Int64,
|
|
Float32_ Float32, Float64_ Float64,
|
|
String_ String,
|
|
Date_ Date, DateTime_ DateTime, Parent UInt64) ENGINE=Log;
|
|
''')
|
|
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def test_null_value(started_cluster):
|
|
query = instance.query
|
|
|
|
assert query("select dictGetUInt8('cache', 'UInt8_', toUInt64(12121212))") == "1\n"
|
|
assert query("select dictGetString('cache', 'String_', toUInt64(12121212))") == "implicit-default\n"
|
|
assert query("select dictGetDate('cache', 'Date_', toUInt64(12121212))") == "2015-11-25\n"
|
|
|
|
# Check, that empty null_value interprets as default value
|
|
assert query("select dictGetUInt64('cache', 'UInt64_', toUInt64(12121212))") == "0\n"
|
|
assert query("select dictGetDateTime('cache', 'DateTime_', toUInt64(12121212))") == "0000-00-00 00:00:00\n"
|