Merge branch 'master' of github.com:yandex/ClickHouse

This commit is contained in:
Alexey Milovidov 2019-09-02 22:13:22 +03:00
commit 457bc541ee
48 changed files with 790 additions and 432 deletions

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@ -336,7 +336,9 @@ void FunctionArrayEnumerateRankedExtended<Derived>::executeMethodImpl(
/// Skipping offsets if no data in this array /// Skipping offsets if no data in this array
if (prev_off == off) if (prev_off == off)
{ {
want_clear = true;
if (depth_to_look > 2)
want_clear = true;
if (depth_to_look >= 2) if (depth_to_look >= 2)
{ {

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@ -1,4 +0,0 @@
*
!.gitignore
!source.tsv
!dictionary_preset*

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@ -1,411 +0,0 @@
import pytest
import os
import time
from helpers.cluster import ClickHouseCluster
from helpers.test_tools import TSV, assert_eq_with_retry
from generate_dictionaries import generate_structure, generate_dictionaries, DictionaryTestTable
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
cluster = None
instance = None
test_table = None
def get_status(dictionary_name):
return instance.query("SELECT status FROM system.dictionaries WHERE name='" + dictionary_name + "'").rstrip("\n")
def get_last_exception(dictionary_name):
return instance.query("SELECT last_exception FROM system.dictionaries WHERE name='" + dictionary_name + "'").rstrip("\n").replace("\\'", "'")
def get_loading_start_time(dictionary_name):
s = instance.query("SELECT loading_start_time FROM system.dictionaries WHERE name='" + dictionary_name + "'").rstrip("\n")
if s == "0000-00-00 00:00:00":
return None
return time.strptime(s, "%Y-%m-%d %H:%M:%S")
def get_loading_duration(dictionary_name):
return float(instance.query("SELECT loading_duration FROM system.dictionaries WHERE name='" + dictionary_name + "'"))
def replace_in_file_in_container(file_name, what, replace_with):
instance.exec_in_container('sed -i "s/' + what + '/' + replace_with + '/g" ' + file_name)
def setup_module(module):
global cluster
global instance
global test_table
structure = generate_structure()
dictionary_files = generate_dictionaries(os.path.join(SCRIPT_DIR, 'configs/dictionaries'), structure)
cluster = ClickHouseCluster(__file__, base_configs_dir=os.path.join(SCRIPT_DIR, 'configs'))
instance = cluster.add_instance('instance', main_configs=dictionary_files)
test_table = DictionaryTestTable(os.path.join(SCRIPT_DIR, 'configs/dictionaries/source.tsv'))
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
instance.query("CREATE DATABASE IF NOT EXISTS dict ENGINE=Dictionary")
test_table.create_clickhouse_source(instance)
for line in TSV(instance.query('select name from system.dictionaries')).lines:
print line,
# Create table `test.small_dict_source`
instance.query('''
drop table if exists test.small_dict_source;
create table test.small_dict_source (id UInt64, a String, b Int32, c Float64) engine=Log;
insert into test.small_dict_source values (0, 'water', 10, 1), (1, 'air', 40, 0.01), (2, 'earth', 100, 1.7);
''')
yield cluster
finally:
cluster.shutdown()
@pytest.fixture(params=[
# name, keys, use_parent
('clickhouse_hashed', ('id',), True),
('clickhouse_flat', ('id',), True),
('clickhouse_complex_integers_key_hashed', ('key0', 'key1'), False),
('clickhouse_complex_mixed_key_hashed', ('key0_str', 'key1'), False),
('clickhouse_range_hashed', ('id', 'StartDate', 'EndDate'), False),
],
ids=['clickhouse_hashed', 'clickhouse_flat',
'clickhouse_complex_integers_key_hashed',
'clickhouse_complex_mixed_key_hashed',
'clickhouse_range_hashed']
)
def dictionary_structure(started_cluster, request):
return request.param
def test_select_all(dictionary_structure):
name, keys, use_parent = dictionary_structure
query = instance.query
structure = test_table.get_structure_for_keys(keys, use_parent)
query('''
DROP TABLE IF EXISTS test.{0}
'''.format(name))
create_query = "CREATE TABLE test.{0} ({1}) engine = Dictionary({0})".format(name, structure)
TSV(query(create_query))
result = TSV(query('select * from test.{0}'.format(name)))
diff = test_table.compare_by_keys(keys, result.lines, use_parent, add_not_found_rows=True)
print test_table.process_diff(diff)
assert not diff
@pytest.fixture(params=[
# name, keys, use_parent
('clickhouse_cache', ('id',), True),
('clickhouse_complex_integers_key_cache', ('key0', 'key1'), False),
('clickhouse_complex_mixed_key_cache', ('key0_str', 'key1'), False)
],
ids=['clickhouse_cache', 'clickhouse_complex_integers_key_cache', 'clickhouse_complex_mixed_key_cache']
)
def cached_dictionary_structure(started_cluster, request):
return request.param
def test_select_all_from_cached(cached_dictionary_structure):
name, keys, use_parent = cached_dictionary_structure
query = instance.query
structure = test_table.get_structure_for_keys(keys, use_parent)
query('''
DROP TABLE IF EXISTS test.{0}
'''.format(name))
create_query = "CREATE TABLE test.{0} ({1}) engine = Dictionary({0})".format(name, structure)
TSV(query(create_query))
for i in range(4):
result = TSV(query('select * from test.{0}'.format(name)))
diff = test_table.compare_by_keys(keys, result.lines, use_parent, add_not_found_rows=False)
print test_table.process_diff(diff)
assert not diff
key = []
for key_name in keys:
if key_name.endswith('str'):
key.append("'" + str(i) + "'")
else:
key.append(str(i))
if len(key) == 1:
key = 'toUInt64(' + str(i) + ')'
else:
key = str('(' + ','.join(key) + ')')
query("select dictGetUInt8('{0}', 'UInt8_', {1})".format(name, key))
result = TSV(query('select * from test.{0}'.format(name)))
diff = test_table.compare_by_keys(keys, result.lines, use_parent, add_not_found_rows=True)
print test_table.process_diff(diff)
assert not diff
def test_null_value(started_cluster):
query = instance.query
assert TSV(query("select dictGetUInt8('clickhouse_cache', 'UInt8_', toUInt64(12121212))")) == TSV("1")
assert TSV(query("select dictGetString('clickhouse_cache', 'String_', toUInt64(12121212))")) == TSV("implicit-default")
assert TSV(query("select dictGetDate('clickhouse_cache', 'Date_', toUInt64(12121212))")) == TSV("2015-11-25")
# Check, that empty null_value interprets as default value
assert TSV(query("select dictGetUInt64('clickhouse_cache', 'UInt64_', toUInt64(12121212))")) == TSV("0")
assert TSV(query("select dictGetDateTime('clickhouse_cache', 'DateTime_', toUInt64(12121212))")) == TSV("0000-00-00 00:00:00")
def test_dictionary_dependency(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.small_dict_source 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(), 4)` is changed.
query("insert into test.small_dict_source 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 test_reload_while_loading(started_cluster):
query = instance.query
# dictionaries_lazy_load == false, so this dictionary is not loaded.
assert get_status('longload') == "NOT_LOADED"
assert get_loading_duration('longload') == 0
# It's not possible to get a value from the dictionary within 1.0 second, so the following query fails by timeout.
assert query("SELECT dictGetInt32('longload', 'a', toUInt64(5))", timeout = 1, ignore_error = True) == ""
# The dictionary is now loading.
assert get_status('longload') == "LOADING"
start_time, duration = get_loading_start_time('longload'), get_loading_duration('longload')
assert duration > 0
time.sleep(0.5) # Still loading.
assert get_status('longload') == "LOADING"
prev_start_time, prev_duration = start_time, duration
start_time, duration = get_loading_start_time('longload'), get_loading_duration('longload')
assert start_time == prev_start_time
assert duration >= prev_duration
# SYSTEM RELOAD DICTIONARY should restart loading.
query("SYSTEM RELOAD DICTIONARY 'longload'")
assert get_status('longload') == "LOADING"
prev_start_time, prev_duration = start_time, duration
start_time, duration = get_loading_start_time('longload'), get_loading_duration('longload')
assert start_time > prev_start_time
assert duration < prev_duration
time.sleep(0.5) # Still loading.
assert get_status('longload') == "LOADING"
prev_start_time, prev_duration = start_time, duration
start_time, duration = get_loading_start_time('longload'), get_loading_duration('longload')
assert start_time == prev_start_time
assert duration >= prev_duration
# SYSTEM RELOAD DICTIONARIES should restart loading again.
query("SYSTEM RELOAD DICTIONARIES")
assert get_status('longload') == "LOADING"
prev_start_time, prev_duration = start_time, duration
start_time, duration = get_loading_start_time('longload'), get_loading_duration('longload')
assert start_time > prev_start_time
assert duration < prev_duration
# Changing the configuration file should restart loading one more time.
replace_in_file_in_container('/etc/clickhouse-server/config.d/dictionary_preset_longload.xml', 'sleep 100', 'sleep 0')
time.sleep(5) # Configuration files are reloaded once in 5 seconds.
# This time loading should finish quickly.
assert get_status('longload') == "LOADED"
assert query("SELECT dictGetInt32('longload', 'a', toUInt64(5))") == "6\n"
def test_reload_after_loading(started_cluster):
query = instance.query
assert query("SELECT dictGetInt32('cmd', 'a', toUInt64(7))") == "8\n"
assert query("SELECT dictGetInt32('file', 'a', toUInt64(9))") == "10\n"
# Change the dictionaries' data.
replace_in_file_in_container('/etc/clickhouse-server/config.d/dictionary_preset_cmd.xml', '8', '81')
replace_in_file_in_container('/etc/clickhouse-server/config.d/dictionary_preset_file.txt', '10', '101')
# SYSTEM RELOAD 'name' reloads only the specified dictionary.
query("SYSTEM RELOAD DICTIONARY 'cmd'")
assert query("SELECT dictGetInt32('cmd', 'a', toUInt64(7))") == "81\n"
assert query("SELECT dictGetInt32('file', 'a', toUInt64(9))") == "10\n"
query("SYSTEM RELOAD DICTIONARY 'file'")
assert query("SELECT dictGetInt32('cmd', 'a', toUInt64(7))") == "81\n"
assert query("SELECT dictGetInt32('file', 'a', toUInt64(9))") == "101\n"
# SYSTEM RELOAD DICTIONARIES reloads all loaded dictionaries.
replace_in_file_in_container('/etc/clickhouse-server/config.d/dictionary_preset_cmd.xml', '81', '82')
replace_in_file_in_container('/etc/clickhouse-server/config.d/dictionary_preset_file.txt', '101', '102')
query("SYSTEM RELOAD DICTIONARIES")
assert query("SELECT dictGetInt32('cmd', 'a', toUInt64(7))") == "82\n"
assert query("SELECT dictGetInt32('file', 'a', toUInt64(9))") == "102\n"
# Configuration files are reloaded and lifetimes are checked automatically once in 5 seconds.
replace_in_file_in_container('/etc/clickhouse-server/config.d/dictionary_preset_cmd.xml', '82', '83')
replace_in_file_in_container('/etc/clickhouse-server/config.d/dictionary_preset_file.txt', '102', '103')
time.sleep(5)
assert query("SELECT dictGetInt32('file', 'a', toUInt64(9))") == "103\n"
assert query("SELECT dictGetInt32('cmd', 'a', toUInt64(7))") == "83\n"
def test_reload_after_fail_by_system_reload(started_cluster):
query = instance.query
# dictionaries_lazy_load == false, so this dictionary is not loaded.
assert get_status("no_file") == "NOT_LOADED"
# We expect an error because the file source doesn't exist.
expected_error = "No such file"
assert expected_error in instance.query_and_get_error("SELECT dictGetInt32('no_file', 'a', toUInt64(9))")
assert get_status("no_file") == "FAILED"
# SYSTEM RELOAD should not change anything now, the status is still FAILED.
query("SYSTEM RELOAD DICTIONARY 'no_file'")
assert expected_error in instance.query_and_get_error("SELECT dictGetInt32('no_file', 'a', toUInt64(9))")
assert get_status("no_file") == "FAILED"
# Creating the file source makes the dictionary able to load.
instance.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/dictionaries/dictionary_preset_file.txt"), "/etc/clickhouse-server/config.d/dictionary_preset_no_file.txt")
query("SYSTEM RELOAD DICTIONARY 'no_file'")
query("SELECT dictGetInt32('no_file', 'a', toUInt64(9))") == "10\n"
assert get_status("no_file") == "LOADED"
# Removing the file source should not spoil the loaded dictionary.
instance.exec_in_container("rm /etc/clickhouse-server/config.d/dictionary_preset_no_file.txt")
query("SYSTEM RELOAD DICTIONARY 'no_file'")
query("SELECT dictGetInt32('no_file', 'a', toUInt64(9))") == "10\n"
assert get_status("no_file") == "LOADED"
def test_reload_after_fail_by_timer(started_cluster):
query = instance.query
# dictionaries_lazy_load == false, so this dictionary is not loaded.
assert get_status("no_file_2") == "NOT_LOADED"
# We expect an error because the file source doesn't exist.
expected_error = "No such file"
assert expected_error in instance.query_and_get_error("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))")
assert get_status("no_file_2") == "FAILED"
# Passed time should not change anything now, the status is still FAILED.
time.sleep(6);
assert expected_error in instance.query_and_get_error("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))")
assert get_status("no_file_2") == "FAILED"
# Creating the file source makes the dictionary able to load.
instance.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/dictionaries/dictionary_preset_file.txt"), "/etc/clickhouse-server/config.d/dictionary_preset_no_file_2.txt")
time.sleep(6);
query("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))") == "10\n"
assert get_status("no_file_2") == "LOADED"
# Removing the file source should not spoil the loaded dictionary.
instance.exec_in_container("rm /etc/clickhouse-server/config.d/dictionary_preset_no_file_2.txt")
time.sleep(6);
query("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))") == "10\n"
assert get_status("no_file_2") == "LOADED"
def test_reload_after_fail_in_cache_dictionary(started_cluster):
query = instance.query
query_and_get_error = instance.query_and_get_error
# Can't get a value from the cache dictionary because the source (table `test.xypairs`) doesn't respond.
expected_error = "Table test.xypairs doesn't exist"
assert expected_error in query_and_get_error("SELECT dictGetUInt64('cache_xypairs', 'y', toUInt64(1))")
assert get_status("cache_xypairs") == "LOADED"
assert expected_error in get_last_exception("cache_xypairs")
# Create table `test.xypairs`.
query('''
drop table if exists test.xypairs;
create table test.xypairs (x UInt64, y UInt64) engine=Log;
insert into test.xypairs values (1, 56), (3, 78);
''')
# Cache dictionary now works.
assert_eq_with_retry(instance, "SELECT dictGet('cache_xypairs', 'y', toUInt64(1))", "56", ignore_error=True)
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(2))") == "0"
assert get_last_exception("cache_xypairs") == ""
# Drop table `test.xypairs`.
query('drop table if exists test.xypairs')
# Values are cached so we can get them.
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(1))") == "56"
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(2))") == "0"
assert get_last_exception("cache_xypairs") == ""
# But we can't get a value from the source table which isn't cached.
assert expected_error in query_and_get_error("SELECT dictGetUInt64('cache_xypairs', 'y', toUInt64(3))")
assert expected_error in get_last_exception("cache_xypairs")
# Passed time should not spoil the cache.
time.sleep(5);
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(1))") == "56"
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(2))") == "0"
assert expected_error in query_and_get_error("SELECT dictGetUInt64('cache_xypairs', 'y', toUInt64(3))")
assert expected_error in get_last_exception("cache_xypairs")
# Create table `test.xypairs` again with changed values.
query('''
drop table if exists test.xypairs;
create table test.xypairs (x UInt64, y UInt64) engine=Log;
insert into test.xypairs values (1, 57), (3, 79);
''')
# The cache dictionary returns new values now.
assert_eq_with_retry(instance, "SELECT dictGet('cache_xypairs', 'y', toUInt64(1))", "57")
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(2))") == "0"
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(3))") == "79"
assert get_last_exception("cache_xypairs") == ""

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@ -0,0 +1,30 @@
<?xml version="1.0"?>
<yandex>
<logger>
<level>trace</level>
<log>/var/log/clickhouse-server/clickhouse-server.log</log>
<errorlog>/var/log/clickhouse-server/clickhouse-server.err.log</errorlog>
<size>1000M</size>
<count>10</count>
</logger>
<tcp_port>9000</tcp_port>
<listen_host>127.0.0.1</listen_host>
<openSSL>
<client>
<cacheSessions>true</cacheSessions>
<verificationMode>none</verificationMode>
<invalidCertificateHandler>
<name>AcceptCertificateHandler</name>
</invalidCertificateHandler>
</client>
</openSSL>
<max_concurrent_queries>500</max_concurrent_queries>
<mark_cache_size>5368709120</mark_cache_size>
<path>./clickhouse/</path>
<users_config>users.xml</users_config>
<dictionaries_config>/etc/clickhouse-server/config.d/*.xml</dictionaries_config>
</yandex>

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@ -8,7 +8,7 @@
<user>default</user> <user>default</user>
<password></password> <password></password>
<db>test</db> <db>test</db>
<table>small_dict_source</table> <table>elements</table>
</clickhouse> </clickhouse>
</source> </source>
<lifetime>5</lifetime> <lifetime>5</lifetime>

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@ -0,0 +1,76 @@
import pytest
import os
from helpers.cluster import ClickHouseCluster
from helpers.test_tools import assert_eq_with_retry
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
DICTIONARY_FILES = ['configs/dictionaries/dep_x.xml', 'configs/dictionaries/dep_y.xml', 'configs/dictionaries/dep_z.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 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(), 4)` 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"

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@ -0,0 +1,113 @@
<yandex>
<dictionary>
<name>cache</name>
<source>
<clickhouse>
<host>localhost</host>
<port>9000</port>
<user>default</user>
<password></password>
<db>test</db>
<table>source</table>
</clickhouse>
</source>
<lifetime>0</lifetime>
<layout>
<cache><size_in_cells>128</size_in_cells></cache>
</layout>
<structure>
<id>
<name>id</name>
</id>
<attribute>
<name>UInt8_</name>
<type>UInt8</type>
<null_value>1</null_value>
</attribute>
<attribute>
<name>UInt16_</name>
<type>UInt16</type>
<null_value>1</null_value>
</attribute>
<attribute>
<name>UInt32_</name>
<type>UInt32</type>
<null_value>1</null_value>
</attribute>
<attribute>
<name>UInt64_</name>
<type>UInt64</type>
<null_value></null_value>
</attribute>
<attribute>
<name>Int8_</name>
<type>Int8</type>
<null_value>-1</null_value>
</attribute>
<attribute>
<name>Int16_</name>
<type>Int16</type>
<null_value>-1</null_value>
</attribute>
<attribute>
<name>Int32_</name>
<type>Int32</type>
<null_value>-1</null_value>
</attribute>
<attribute>
<name>Int64_</name>
<type>Int64</type>
<null_value>-1</null_value>
</attribute>
<attribute>
<name>Float32_</name>
<type>Float32</type>
<null_value>2.71828</null_value>
</attribute>
<attribute>
<name>Float64_</name>
<type>Float64</type>
<null_value>2.71828</null_value>
</attribute>
<attribute>
<name>String_</name>
<type>String</type>
<null_value>implicit-default</null_value>
</attribute>
<attribute>
<name>Date_</name>
<type>Date</type>
<null_value>2015-11-25</null_value>
</attribute>
<attribute>
<name>DateTime_</name>
<type>DateTime</type>
<null_value></null_value>
</attribute>
<attribute>
<name>Parent</name>
<type>UInt64</type>
<hierarchical>true</hierarchical>
<null_value>0</null_value>
</attribute>
</structure>
</dictionary>
</yandex>

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@ -0,0 +1,23 @@
<?xml version="1.0"?>
<yandex>
<profiles>
<default>
</default>
</profiles>
<users>
<default>
<password></password>
<networks incl="networks" replace="replace">
<ip>::/0</ip>
</networks>
<profile>default</profile>
<quota>default</quota>
</default>
</users>
<quotas>
<default>
</default>
</quotas>
</yandex>

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@ -0,0 +1,45 @@
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"

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@ -0,0 +1,30 @@
<?xml version="1.0"?>
<yandex>
<logger>
<level>trace</level>
<log>/var/log/clickhouse-server/clickhouse-server.log</log>
<errorlog>/var/log/clickhouse-server/clickhouse-server.err.log</errorlog>
<size>1000M</size>
<count>10</count>
</logger>
<tcp_port>9000</tcp_port>
<listen_host>127.0.0.1</listen_host>
<openSSL>
<client>
<cacheSessions>true</cacheSessions>
<verificationMode>none</verificationMode>
<invalidCertificateHandler>
<name>AcceptCertificateHandler</name>
</invalidCertificateHandler>
</client>
</openSSL>
<max_concurrent_queries>500</max_concurrent_queries>
<mark_cache_size>5368709120</mark_cache_size>
<path>./clickhouse/</path>
<users_config>users.xml</users_config>
<dictionaries_config>/etc/clickhouse-server/config.d/*.xml</dictionaries_config>
</yandex>

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@ -0,0 +1,3 @@
*
!.gitignore
!source.tsv

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@ -0,0 +1,23 @@
<?xml version="1.0"?>
<yandex>
<profiles>
<default>
</default>
</profiles>
<users>
<default>
<password></password>
<networks incl="networks" replace="replace">
<ip>::/0</ip>
</networks>
<profile>default</profile>
<quota>default</quota>
</default>
</users>
<quotas>
<default>
</default>
</quotas>
</yandex>

View File

@ -12,13 +12,6 @@ types = [
'Date', 'DateTime' 'Date', 'DateTime'
] ]
explicit_defaults = [
'42', '42', '42', '42',
'-42', '-42', '-42', '-42',
'1.5', '1.6',
"'explicit-default'",
"'2015-01-01'", "'2015-01-01 00:00:00'"
]
implicit_defaults = [ implicit_defaults = [
'1', '1', '1', '', '1', '1', '1', '',
@ -182,9 +175,6 @@ def generate_dictionaries(path, structure):
file_names = [] file_names = []
# Add ready dictionaries.
file_names.extend(glob.glob(os.path.join(path, "*dictionary_preset*")))
# Generate dictionaries. # Generate dictionaries.
for (name, key_idx, has_parent), (source, layout) in zip(structure, sources_and_layouts): for (name, key_idx, has_parent), (source, layout) in zip(structure, sources_and_layouts):
filename = os.path.join(path, 'dictionary_%s.xml' % name) filename = os.path.join(path, 'dictionary_%s.xml' % name)

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@ -0,0 +1,122 @@
import pytest
import os
from helpers.cluster import ClickHouseCluster
from helpers.test_tools import TSV, assert_eq_with_retry
from generate_dictionaries import generate_structure, generate_dictionaries, DictionaryTestTable
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
cluster = None
instance = None
test_table = None
def setup_module(module):
global cluster
global instance
global test_table
structure = generate_structure()
dictionary_files = generate_dictionaries(os.path.join(SCRIPT_DIR, 'configs/dictionaries'), structure)
cluster = ClickHouseCluster(__file__, base_configs_dir=os.path.join(SCRIPT_DIR, 'configs'))
instance = cluster.add_instance('instance', main_configs=dictionary_files)
test_table = DictionaryTestTable(os.path.join(SCRIPT_DIR, 'configs/dictionaries/source.tsv'))
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
test_table.create_clickhouse_source(instance)
for line in TSV(instance.query('select name from system.dictionaries')).lines:
print line,
yield cluster
finally:
cluster.shutdown()
@pytest.fixture(params=[
# name, keys, use_parent
('clickhouse_hashed', ('id',), True),
('clickhouse_flat', ('id',), True),
('clickhouse_complex_integers_key_hashed', ('key0', 'key1'), False),
('clickhouse_complex_mixed_key_hashed', ('key0_str', 'key1'), False),
('clickhouse_range_hashed', ('id', 'StartDate', 'EndDate'), False),
],
ids=['clickhouse_hashed', 'clickhouse_flat',
'clickhouse_complex_integers_key_hashed',
'clickhouse_complex_mixed_key_hashed',
'clickhouse_range_hashed']
)
def dictionary_structure(started_cluster, request):
return request.param
def test_select_all(dictionary_structure):
name, keys, use_parent = dictionary_structure
query = instance.query
structure = test_table.get_structure_for_keys(keys, use_parent)
query('''
DROP TABLE IF EXISTS test.{0}
'''.format(name))
create_query = "CREATE TABLE test.{0} ({1}) engine = Dictionary({0})".format(name, structure)
TSV(query(create_query))
result = TSV(query('select * from test.{0}'.format(name)))
diff = test_table.compare_by_keys(keys, result.lines, use_parent, add_not_found_rows=True)
print test_table.process_diff(diff)
assert not diff
@pytest.fixture(params=[
# name, keys, use_parent
('clickhouse_cache', ('id',), True),
('clickhouse_complex_integers_key_cache', ('key0', 'key1'), False),
('clickhouse_complex_mixed_key_cache', ('key0_str', 'key1'), False)
],
ids=['clickhouse_cache', 'clickhouse_complex_integers_key_cache', 'clickhouse_complex_mixed_key_cache']
)
def cached_dictionary_structure(started_cluster, request):
return request.param
def test_select_all_from_cached(cached_dictionary_structure):
name, keys, use_parent = cached_dictionary_structure
query = instance.query
structure = test_table.get_structure_for_keys(keys, use_parent)
query('''
DROP TABLE IF EXISTS test.{0}
'''.format(name))
create_query = "CREATE TABLE test.{0} ({1}) engine = Dictionary({0})".format(name, structure)
TSV(query(create_query))
for i in range(4):
result = TSV(query('select * from test.{0}'.format(name)))
diff = test_table.compare_by_keys(keys, result.lines, use_parent, add_not_found_rows=False)
print test_table.process_diff(diff)
assert not diff
key = []
for key_name in keys:
if key_name.endswith('str'):
key.append("'" + str(i) + "'")
else:
key.append(str(i))
if len(key) == 1:
key = 'toUInt64(' + str(i) + ')'
else:
key = str('(' + ','.join(key) + ')')
query("select dictGetUInt8('{0}', 'UInt8_', {1})".format(name, key))
result = TSV(query('select * from test.{0}'.format(name)))
diff = test_table.compare_by_keys(keys, result.lines, use_parent, add_not_found_rows=True)
print test_table.process_diff(diff)
assert not diff

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@ -0,0 +1,30 @@
<?xml version="1.0"?>
<yandex>
<logger>
<level>trace</level>
<log>/var/log/clickhouse-server/clickhouse-server.log</log>
<errorlog>/var/log/clickhouse-server/clickhouse-server.err.log</errorlog>
<size>1000M</size>
<count>10</count>
</logger>
<tcp_port>9000</tcp_port>
<listen_host>127.0.0.1</listen_host>
<openSSL>
<client>
<cacheSessions>true</cacheSessions>
<verificationMode>none</verificationMode>
<invalidCertificateHandler>
<name>AcceptCertificateHandler</name>
</invalidCertificateHandler>
</client>
</openSSL>
<max_concurrent_queries>500</max_concurrent_queries>
<mark_cache_size>5368709120</mark_cache_size>
<path>./clickhouse/</path>
<users_config>users.xml</users_config>
<dictionaries_config>/etc/clickhouse-server/config.d/*.xml</dictionaries_config>
</yandex>

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@ -1,7 +1,7 @@
<?xml version="1.0"?> <?xml version="1.0"?>
<yandex> <yandex>
<dictionary> <dictionary>
<name>cmd</name> <name>executable</name>
<source> <source>
<executable> <executable>
<command>echo '7\t8';</command> <command>echo '7\t8';</command>

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@ -4,7 +4,7 @@
<name>file</name> <name>file</name>
<source> <source>
<file> <file>
<path>/etc/clickhouse-server/config.d/dictionary_preset_file.txt</path> <path>/etc/clickhouse-server/config.d/file.txt</path>
<format>TabSeparated</format> <format>TabSeparated</format>
</file> </file>
</source> </source>
@ -21,7 +21,7 @@
<name>no_file</name> <name>no_file</name>
<source> <source>
<file> <file>
<path>/etc/clickhouse-server/config.d/dictionary_preset_no_file.txt</path> <path>/etc/clickhouse-server/config.d/no_file.txt</path>
<format>TabSeparated</format> <format>TabSeparated</format>
</file> </file>
</source> </source>
@ -38,7 +38,7 @@
<name>no_file_2</name> <name>no_file_2</name>
<source> <source>
<file> <file>
<path>/etc/clickhouse-server/config.d/dictionary_preset_no_file_2.txt</path> <path>/etc/clickhouse-server/config.d/no_file_2.txt</path>
<format>TabSeparated</format> <format>TabSeparated</format>
</file> </file>
</source> </source>

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@ -1,7 +1,7 @@
<?xml version="1.0"?> <?xml version="1.0"?>
<yandex> <yandex>
<dictionary> <dictionary>
<name>longload</name> <name>slow</name>
<source> <source>
<executable> <executable>
<command>sleep 100 &amp;&amp; echo '5\t6';</command> <command>sleep 100 &amp;&amp; echo '5\t6';</command>

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@ -0,0 +1,23 @@
<?xml version="1.0"?>
<yandex>
<profiles>
<default>
</default>
</profiles>
<users>
<default>
<password></password>
<networks incl="networks" replace="replace">
<ip>::/0</ip>
</networks>
<profile>default</profile>
<quota>default</quota>
</default>
</users>
<quotas>
<default>
</default>
</quotas>
</yandex>

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@ -0,0 +1,246 @@
import pytest
import os
import time
from helpers.cluster import ClickHouseCluster
from helpers.test_tools import assert_eq_with_retry
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
DICTIONARY_FILES = ['configs/dictionaries/cache_xypairs.xml', 'configs/dictionaries/executable.xml', 'configs/dictionaries/file.xml', 'configs/dictionaries/file.txt', 'configs/dictionaries/slow.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")
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 get_last_exception(dictionary_name):
return instance.query("SELECT last_exception FROM system.dictionaries WHERE name='" + dictionary_name + "'").rstrip("\n").replace("\\'", "'")
def get_loading_start_time(dictionary_name):
s = instance.query("SELECT loading_start_time FROM system.dictionaries WHERE name='" + dictionary_name + "'").rstrip("\n")
if s == "0000-00-00 00:00:00":
return None
return time.strptime(s, "%Y-%m-%d %H:%M:%S")
def get_loading_duration(dictionary_name):
return float(instance.query("SELECT loading_duration FROM system.dictionaries WHERE name='" + dictionary_name + "'"))
def replace_in_file_in_container(file_name, what, replace_with):
instance.exec_in_container('sed -i "s/' + what + '/' + replace_with + '/g" ' + file_name)
def test_reload_while_loading(started_cluster):
query = instance.query
# dictionaries_lazy_load == false, so this dictionary is not loaded.
assert get_status('slow') == "NOT_LOADED"
assert get_loading_duration('slow') == 0
# It's not possible to get a value from the dictionary within 1.0 second, so the following query fails by timeout.
assert query("SELECT dictGetInt32('slow', 'a', toUInt64(5))", timeout = 1, ignore_error = True) == ""
# The dictionary is now loading.
assert get_status('slow') == "LOADING"
start_time, duration = get_loading_start_time('slow'), get_loading_duration('slow')
assert duration > 0
time.sleep(0.5) # Still loading.
assert get_status('slow') == "LOADING"
prev_start_time, prev_duration = start_time, duration
start_time, duration = get_loading_start_time('slow'), get_loading_duration('slow')
assert start_time == prev_start_time
assert duration >= prev_duration
# SYSTEM RELOAD DICTIONARY should restart loading.
query("SYSTEM RELOAD DICTIONARY 'slow'")
assert get_status('slow') == "LOADING"
prev_start_time, prev_duration = start_time, duration
start_time, duration = get_loading_start_time('slow'), get_loading_duration('slow')
assert start_time > prev_start_time
assert duration < prev_duration
time.sleep(0.5) # Still loading.
assert get_status('slow') == "LOADING"
prev_start_time, prev_duration = start_time, duration
start_time, duration = get_loading_start_time('slow'), get_loading_duration('slow')
assert start_time == prev_start_time
assert duration >= prev_duration
# SYSTEM RELOAD DICTIONARIES should restart loading again.
query("SYSTEM RELOAD DICTIONARIES")
assert get_status('slow') == "LOADING"
prev_start_time, prev_duration = start_time, duration
start_time, duration = get_loading_start_time('slow'), get_loading_duration('slow')
assert start_time > prev_start_time
assert duration < prev_duration
# Changing the configuration file should restart loading one more time.
replace_in_file_in_container('/etc/clickhouse-server/config.d/slow.xml', 'sleep 100', 'sleep 0')
time.sleep(5) # Configuration files are reloaded once in 5 seconds.
# This time loading should finish quickly.
assert get_status('slow') == "LOADED"
assert query("SELECT dictGetInt32('slow', 'a', toUInt64(5))") == "6\n"
def test_reload_after_loading(started_cluster):
query = instance.query
assert query("SELECT dictGetInt32('executable', 'a', toUInt64(7))") == "8\n"
assert query("SELECT dictGetInt32('file', 'a', toUInt64(9))") == "10\n"
# Change the dictionaries' data.
replace_in_file_in_container('/etc/clickhouse-server/config.d/executable.xml', '8', '81')
replace_in_file_in_container('/etc/clickhouse-server/config.d/file.txt', '10', '101')
# SYSTEM RELOAD 'name' reloads only the specified dictionary.
query("SYSTEM RELOAD DICTIONARY 'executable'")
assert query("SELECT dictGetInt32('executable', 'a', toUInt64(7))") == "81\n"
assert query("SELECT dictGetInt32('file', 'a', toUInt64(9))") == "10\n"
query("SYSTEM RELOAD DICTIONARY 'file'")
assert query("SELECT dictGetInt32('executable', 'a', toUInt64(7))") == "81\n"
assert query("SELECT dictGetInt32('file', 'a', toUInt64(9))") == "101\n"
# SYSTEM RELOAD DICTIONARIES reloads all loaded dictionaries.
replace_in_file_in_container('/etc/clickhouse-server/config.d/executable.xml', '81', '82')
replace_in_file_in_container('/etc/clickhouse-server/config.d/file.txt', '101', '102')
query("SYSTEM RELOAD DICTIONARIES")
assert query("SELECT dictGetInt32('executable', 'a', toUInt64(7))") == "82\n"
assert query("SELECT dictGetInt32('file', 'a', toUInt64(9))") == "102\n"
# Configuration files are reloaded and lifetimes are checked automatically once in 5 seconds.
replace_in_file_in_container('/etc/clickhouse-server/config.d/executable.xml', '82', '83')
replace_in_file_in_container('/etc/clickhouse-server/config.d/file.txt', '102', '103')
time.sleep(5)
assert query("SELECT dictGetInt32('file', 'a', toUInt64(9))") == "103\n"
assert query("SELECT dictGetInt32('executable', 'a', toUInt64(7))") == "83\n"
def test_reload_after_fail_by_system_reload(started_cluster):
query = instance.query
# dictionaries_lazy_load == false, so this dictionary is not loaded.
assert get_status("no_file") == "NOT_LOADED"
# We expect an error because the file source doesn't exist.
expected_error = "No such file"
assert expected_error in instance.query_and_get_error("SELECT dictGetInt32('no_file', 'a', toUInt64(9))")
assert get_status("no_file") == "FAILED"
# SYSTEM RELOAD should not change anything now, the status is still FAILED.
query("SYSTEM RELOAD DICTIONARY 'no_file'")
assert expected_error in instance.query_and_get_error("SELECT dictGetInt32('no_file', 'a', toUInt64(9))")
assert get_status("no_file") == "FAILED"
# Creating the file source makes the dictionary able to load.
instance.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/dictionaries/file.txt"), "/etc/clickhouse-server/config.d/no_file.txt")
query("SYSTEM RELOAD DICTIONARY 'no_file'")
query("SELECT dictGetInt32('no_file', 'a', toUInt64(9))") == "10\n"
assert get_status("no_file") == "LOADED"
# Removing the file source should not spoil the loaded dictionary.
instance.exec_in_container("rm /etc/clickhouse-server/config.d/no_file.txt")
query("SYSTEM RELOAD DICTIONARY 'no_file'")
query("SELECT dictGetInt32('no_file', 'a', toUInt64(9))") == "10\n"
assert get_status("no_file") == "LOADED"
def test_reload_after_fail_by_timer(started_cluster):
query = instance.query
# dictionaries_lazy_load == false, so this dictionary is not loaded.
assert get_status("no_file_2") == "NOT_LOADED"
# We expect an error because the file source doesn't exist.
expected_error = "No such file"
assert expected_error in instance.query_and_get_error("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))")
assert get_status("no_file_2") == "FAILED"
# Passed time should not change anything now, the status is still FAILED.
time.sleep(6);
assert expected_error in instance.query_and_get_error("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))")
assert get_status("no_file_2") == "FAILED"
# Creating the file source makes the dictionary able to load.
instance.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/dictionaries/file.txt"), "/etc/clickhouse-server/config.d/no_file_2.txt")
time.sleep(6);
query("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))") == "10\n"
assert get_status("no_file_2") == "LOADED"
# Removing the file source should not spoil the loaded dictionary.
instance.exec_in_container("rm /etc/clickhouse-server/config.d/no_file_2.txt")
time.sleep(6);
query("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))") == "10\n"
assert get_status("no_file_2") == "LOADED"
def test_reload_after_fail_in_cache_dictionary(started_cluster):
query = instance.query
query_and_get_error = instance.query_and_get_error
# Can't get a value from the cache dictionary because the source (table `test.xypairs`) doesn't respond.
expected_error = "Table test.xypairs doesn't exist"
assert expected_error in query_and_get_error("SELECT dictGetUInt64('cache_xypairs', 'y', toUInt64(1))")
assert get_status("cache_xypairs") == "LOADED"
assert expected_error in get_last_exception("cache_xypairs")
# Create table `test.xypairs`.
query('''
DROP TABLE IF EXISTS test.xypairs;
CREATE TABLE test.xypairs (x UInt64, y UInt64) ENGINE=Log;
INSERT INTO test.xypairs VALUES (1, 56), (3, 78);
''')
# Cache dictionary now works.
assert_eq_with_retry(instance, "SELECT dictGet('cache_xypairs', 'y', toUInt64(1))", "56", ignore_error=True)
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(2))") == "0"
assert get_last_exception("cache_xypairs") == ""
# Drop table `test.xypairs`.
query('DROP TABLE test.xypairs')
# Values are cached so we can get them.
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(1))") == "56"
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(2))") == "0"
assert get_last_exception("cache_xypairs") == ""
# But we can't get a value from the source table which isn't cached.
assert expected_error in query_and_get_error("SELECT dictGetUInt64('cache_xypairs', 'y', toUInt64(3))")
assert expected_error in get_last_exception("cache_xypairs")
# Passed time should not spoil the cache.
time.sleep(5);
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(1))") == "56"
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(2))") == "0"
assert expected_error in query_and_get_error("SELECT dictGetUInt64('cache_xypairs', 'y', toUInt64(3))")
assert expected_error in get_last_exception("cache_xypairs")
# Create table `test.xypairs` again with changed values.
query('''
CREATE TABLE test.xypairs (x UInt64, y UInt64) ENGINE=Log;
INSERT INTO test.xypairs VALUES (1, 57), (3, 79);
''')
# The cache dictionary returns new values now.
assert_eq_with_retry(instance, "SELECT dictGet('cache_xypairs', 'y', toUInt64(1))", "57")
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(2))") == "0"
query("SELECT dictGet('cache_xypairs', 'y', toUInt64(3))") == "79"
assert get_last_exception("cache_xypairs") == ""

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@ -278,3 +278,9 @@ a1,a2 12 [1,2]
1 2019-06-06 1 4 2 1 5 1 [1,2] [1001,1002] [1,1] 1 2019-06-06 1 4 2 1 5 1 [1,2] [1001,1002] [1,1]
1 2019-06-06 1 4 2 1 5 0 [1,2] [1002,1003] [1,1] 1 2019-06-06 1 4 2 1 5 0 [1,2] [1002,1003] [1,1]
1 2019-06-06 1 4 2 1 6 0 [3] [2001] [1] 1 2019-06-06 1 4 2 1 6 0 [3] [2001] [1]
-- empty
[[1],[],[2]]
[[1],[],[2]]
[[1],[],[2],[],[3],[],[4],[],[5],[],[6],[],[7],[],[8],[],[9]]
[[],[1],[],[2],[],[3],[],[4],[],[5],[],[6],[],[7],[],[8]]
[[1],[2],[],[3]]

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@ -305,3 +305,11 @@ ARRAY JOIN
Test.PuidVal AS PuidValArr; Test.PuidVal AS PuidValArr;
DROP TABLE arr_tests_visits; DROP TABLE arr_tests_visits;
select '-- empty';
SELECT arrayEnumerateUniqRanked([['a'], [], ['a']]);
SELECT arrayEnumerateUniqRanked([[1], [], [1]]);
SELECT arrayEnumerateUniqRanked([[1], [], [1], [], [1], [], [1], [], [1], [], [1], [], [1], [], [1], [], [1]]);
SELECT arrayEnumerateUniqRanked([[], [1], [], [1], [], [1], [], [1], [], [1], [], [1], [], [1], [], [1]]);
SELECT arrayEnumerateUniqRanked([[1], [1], [], [1]]);

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@ -5,6 +5,7 @@ insert into ttl_00933_2 values (toDateTime('2000-10-10 00:00:00'), 1);
insert into ttl_00933_2 values (toDateTime('2000-10-10 00:00:00'), 2); insert into ttl_00933_2 values (toDateTime('2000-10-10 00:00:00'), 2);
insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 3); insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 3);
insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 4); insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 4);
select sleep(0.7) format Null; -- wait if very fast merge happen
optimize table ttl_00933_2 final; optimize table ttl_00933_2 final;
select a from ttl_00933_2 order by a; select a from ttl_00933_2 order by a;
@ -15,6 +16,7 @@ insert into ttl_00933_2 values (toDateTime('2000-10-10 00:00:00'), 1, 100);
insert into ttl_00933_2 values (toDateTime('2000-10-10 00:00:00'), 2, 200); insert into ttl_00933_2 values (toDateTime('2000-10-10 00:00:00'), 2, 200);
insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 3, 300); insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 3, 300);
insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 4, 400); insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 4, 400);
select sleep(0.7) format Null; -- wait if very fast merge happen
optimize table ttl_00933_2 final; optimize table ttl_00933_2 final;
select a, b from ttl_00933_2 order by a; select a, b from ttl_00933_2 order by a;
@ -25,6 +27,7 @@ insert into ttl_00933_2 values (toDateTime('2000-10-10 00:00:00'), 1, 5);
insert into ttl_00933_2 values (toDateTime('2000-10-10 00:00:00'), 2, 10); insert into ttl_00933_2 values (toDateTime('2000-10-10 00:00:00'), 2, 10);
insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 3, 15); insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 3, 15);
insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 4, 20); insert into ttl_00933_2 values (toDateTime('2100-10-10 00:00:00'), 4, 20);
select sleep(0.7) format Null; -- wait if very fast merge happen
optimize table ttl_00933_2 final; optimize table ttl_00933_2 final;
select a, b from ttl_00933_2 order by a; select a, b from ttl_00933_2 order by a;