mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-14 03:25:15 +00:00
118 lines
5.5 KiB
Python
118 lines
5.5 KiB
Python
import pytest
|
|
from helpers.cluster import ClickHouseCluster
|
|
from helpers.test_tools import assert_eq_with_retry
|
|
|
|
DICTIONARY_FILES = ['configs/dictionaries/dep_x.xml', 'configs/dictionaries/dep_y.xml',
|
|
'configs/dictionaries/dep_z.xml']
|
|
|
|
cluster = ClickHouseCluster(__file__)
|
|
instance = cluster.add_instance('instance', dictionaries=DICTIONARY_FILES, stay_alive=True)
|
|
|
|
|
|
@pytest.fixture(scope="module")
|
|
def started_cluster():
|
|
try:
|
|
cluster.start()
|
|
|
|
instance.query('''
|
|
CREATE DATABASE IF NOT EXISTS dict ENGINE=Dictionary;
|
|
CREATE DATABASE IF NOT EXISTS test;
|
|
DROP TABLE IF EXISTS test.elements;
|
|
CREATE TABLE test.elements (id UInt64, a String, b Int32, c Float64) ENGINE=Log;
|
|
INSERT INTO test.elements VALUES (0, 'water', 10, 1), (1, 'air', 40, 0.01), (2, 'earth', 100, 1.7);
|
|
''')
|
|
|
|
yield cluster
|
|
|
|
finally:
|
|
cluster.shutdown()
|
|
|
|
|
|
def get_status(dictionary_name):
|
|
return instance.query("SELECT status FROM system.dictionaries WHERE name='" + dictionary_name + "'").rstrip("\n")
|
|
|
|
|
|
def test_get_data(started_cluster):
|
|
query = instance.query
|
|
|
|
# dictionaries_lazy_load == false, so these dictionary are not loaded.
|
|
assert get_status('dep_x') == 'NOT_LOADED'
|
|
assert get_status('dep_y') == 'NOT_LOADED'
|
|
assert get_status('dep_z') == 'NOT_LOADED'
|
|
|
|
# Dictionary 'dep_x' depends on 'dep_z', which depends on 'dep_y'.
|
|
# So they all should be loaded at once.
|
|
assert query("SELECT dictGetString('dep_x', 'a', toUInt64(1))") == "air\n"
|
|
assert get_status('dep_x') == 'LOADED'
|
|
assert get_status('dep_y') == 'LOADED'
|
|
assert get_status('dep_z') == 'LOADED'
|
|
|
|
# Other dictionaries should work too.
|
|
assert query("SELECT dictGetString('dep_y', 'a', toUInt64(1))") == "air\n"
|
|
assert query("SELECT dictGetString('dep_z', 'a', toUInt64(1))") == "air\n"
|
|
|
|
assert query("SELECT dictGetString('dep_x', 'a', toUInt64(3))") == "XX\n"
|
|
assert query("SELECT dictGetString('dep_y', 'a', toUInt64(3))") == "YY\n"
|
|
assert query("SELECT dictGetString('dep_z', 'a', toUInt64(3))") == "ZZ\n"
|
|
|
|
# Update the source table.
|
|
query("INSERT INTO test.elements VALUES (3, 'fire', 30, 8)")
|
|
|
|
# Wait for dictionaries to be reloaded.
|
|
assert_eq_with_retry(instance, "SELECT dictHas('dep_y', toUInt64(3))", "1", sleep_time=2, retry_count=10)
|
|
assert query("SELECT dictGetString('dep_x', 'a', toUInt64(3))") == "XX\n"
|
|
assert query("SELECT dictGetString('dep_y', 'a', toUInt64(3))") == "fire\n"
|
|
assert query("SELECT dictGetString('dep_z', 'a', toUInt64(3))") == "ZZ\n"
|
|
|
|
# dep_x and dep_z are updated only when there `intDiv(count(), 5)` is changed.
|
|
query("INSERT INTO test.elements VALUES (4, 'ether', 404, 0.001)")
|
|
assert_eq_with_retry(instance, "SELECT dictHas('dep_x', toUInt64(4))", "1", sleep_time=2, retry_count=10)
|
|
assert query("SELECT dictGetString('dep_x', 'a', toUInt64(3))") == "fire\n"
|
|
assert query("SELECT dictGetString('dep_y', 'a', toUInt64(3))") == "fire\n"
|
|
assert query("SELECT dictGetString('dep_z', 'a', toUInt64(3))") == "fire\n"
|
|
assert query("SELECT dictGetString('dep_x', 'a', toUInt64(4))") == "ether\n"
|
|
assert query("SELECT dictGetString('dep_y', 'a', toUInt64(4))") == "ether\n"
|
|
assert query("SELECT dictGetString('dep_z', 'a', toUInt64(4))") == "ether\n"
|
|
|
|
def dependent_tables_assert():
|
|
res = instance.query("select database || '.' || name from system.tables")
|
|
assert "system.join" in res
|
|
assert "default.src" in res
|
|
assert "dict.dep_y" in res
|
|
assert "lazy.log" in res
|
|
assert "test.d" in res
|
|
assert "default.join" in res
|
|
assert "a.t" in res
|
|
|
|
def test_dependent_tables(started_cluster):
|
|
query = instance.query
|
|
query("create database lazy engine=Lazy(10)")
|
|
query("create database a")
|
|
query("create table lazy.src (n int, m int) engine=Log")
|
|
query("create dictionary a.d (n int default 0, m int default 42) primary key n "
|
|
"source(clickhouse(host 'localhost' port tcpPort() user 'default' table 'src' password '' db 'lazy'))"
|
|
"lifetime(min 1 max 10) layout(flat())")
|
|
query("create table system.join (n int, m int) engine=Join(any, left, n)")
|
|
query("insert into system.join values (1, 1)")
|
|
query("create table src (n int, m default joinGet('system.join', 'm', 1::int),"
|
|
"t default dictGetOrNull('a.d', 'm', toUInt64(3)),"
|
|
"k default dictGet('a.d', 'm', toUInt64(4))) engine=MergeTree order by n")
|
|
query("create dictionary test.d (n int default 0, m int default 42) primary key n "
|
|
"source(clickhouse(host 'localhost' port tcpPort() user 'default' table 'src' password '' db 'default'))"
|
|
"lifetime(min 1 max 10) layout(flat())")
|
|
query("create table join (n int, m default dictGet('a.d', 'm', toUInt64(3)),"
|
|
"k default dictGet('test.d', 'm', toUInt64(0))) engine=Join(any, left, n)")
|
|
query("create table lazy.log (n default dictGet(test.d, 'm', toUInt64(0))) engine=Log")
|
|
query("create table a.t (n default joinGet('system.join', 'm', 1::int),"
|
|
"m default dictGet('test.d', 'm', toUInt64(3)),"
|
|
"k default joinGet(join, 'm', 1::int)) engine=MergeTree order by n")
|
|
|
|
dependent_tables_assert()
|
|
instance.restart_clickhouse()
|
|
dependent_tables_assert()
|
|
query("drop database a")
|
|
query("drop database lazy")
|
|
query("drop table src")
|
|
query("drop table join")
|
|
query("drop table system.join")
|