mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-23 16:12:01 +00:00
399 lines
15 KiB
Python
399 lines
15 KiB
Python
import pytest
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import time
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import psycopg2
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from multiprocessing.dummy import Pool
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from helpers.cluster import ClickHouseCluster
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from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
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cluster = ClickHouseCluster(__file__)
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node1 = cluster.add_instance('node1',
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main_configs=['configs/config.xml', 'configs/dictionaries/postgres_dict.xml', 'configs/named_collections.xml'],
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with_postgres=True, with_postgres_cluster=True)
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postgres_dict_table_template = """
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CREATE TABLE IF NOT EXISTS {} (
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id Integer NOT NULL, key Integer NOT NULL, value Integer NOT NULL, PRIMARY KEY (id))
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"""
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click_dict_table_template = """
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CREATE TABLE IF NOT EXISTS `test`.`dict_table_{}` (
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`key` UInt32, `value` UInt32
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) ENGINE = Dictionary({})
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"""
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def get_postgres_conn(ip, port, database=False):
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if database == True:
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conn_string = "host={} port={} dbname='clickhouse' user='postgres' password='mysecretpassword'".format(ip, port)
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else:
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conn_string = "host={} port={} user='postgres' password='mysecretpassword'".format(ip, port)
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conn = psycopg2.connect(conn_string)
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conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
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conn.autocommit = True
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return conn
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def create_postgres_db(conn, name):
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cursor = conn.cursor()
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cursor.execute("CREATE DATABASE {}".format(name))
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def create_postgres_table(cursor, table_name):
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cursor.execute(postgres_dict_table_template.format(table_name))
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def create_and_fill_postgres_table(cursor, table_name, port, host):
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create_postgres_table(cursor, table_name)
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# Fill postgres table using clickhouse postgres table function and check
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table_func = '''postgresql('{}:{}', 'clickhouse', '{}', 'postgres', 'mysecretpassword')'''.format(host, port, table_name)
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node1.query('''INSERT INTO TABLE FUNCTION {} SELECT number, number, number from numbers(10000)
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'''.format(table_func, table_name))
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result = node1.query("SELECT count() FROM {}".format(table_func))
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assert result.rstrip() == '10000'
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def create_dict(table_name, index=0):
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node1.query(click_dict_table_template.format(table_name, 'dict' + str(index)))
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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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node1.query("CREATE DATABASE IF NOT EXISTS test")
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postgres_conn = get_postgres_conn(ip=cluster.postgres_ip, port=cluster.postgres_port)
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print("postgres1 connected")
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create_postgres_db(postgres_conn, 'clickhouse')
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postgres_conn = get_postgres_conn(ip=cluster.postgres2_ip, port=cluster.postgres_port)
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print("postgres2 connected")
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create_postgres_db(postgres_conn, 'clickhouse')
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yield cluster
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finally:
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cluster.shutdown()
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def test_load_dictionaries(started_cluster):
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conn = get_postgres_conn(ip=started_cluster.postgres_ip, database=True, port=started_cluster.postgres_port)
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cursor = conn.cursor()
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table_name = 'test0'
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create_and_fill_postgres_table(cursor, table_name, port=started_cluster.postgres_port, host=started_cluster.postgres_ip)
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create_dict(table_name)
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dict_name = 'dict0'
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node1.query("SYSTEM RELOAD DICTIONARY {}".format(dict_name))
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assert node1.query("SELECT count() FROM `test`.`dict_table_{}`".format(table_name)).rstrip() == '10000'
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assert node1.query("SELECT dictGetUInt32('{}', 'key', toUInt64(0))".format(dict_name)) == '0\n'
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assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(9999))".format(dict_name)) == '9999\n'
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cursor.execute("DROP TABLE IF EXISTS {}".format(table_name))
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node1.query("DROP TABLE IF EXISTS {}".format(table_name))
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node1.query("DROP DICTIONARY IF EXISTS {}".format(dict_name))
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def test_postgres_dictionaries_custom_query_full_load(started_cluster):
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conn = get_postgres_conn(ip=started_cluster.postgres_ip, database=True, port=started_cluster.postgres_port)
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cursor = conn.cursor()
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cursor.execute("CREATE TABLE IF NOT EXISTS test_table_1 (id Integer, value_1 Text);")
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cursor.execute("CREATE TABLE IF NOT EXISTS test_table_2 (id Integer, value_2 Text);")
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cursor.execute("INSERT INTO test_table_1 VALUES (1, 'Value_1');")
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cursor.execute("INSERT INTO test_table_2 VALUES (1, 'Value_2');")
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query = node1.query
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query("""
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CREATE DICTIONARY test_dictionary_custom_query
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(
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id UInt64,
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value_1 String,
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value_2 String
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)
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PRIMARY KEY id
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LAYOUT(FLAT())
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SOURCE(PostgreSQL(
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DB 'clickhouse'
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HOST '{}'
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PORT {}
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USER 'postgres'
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PASSWORD 'mysecretpassword'
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QUERY $doc$SELECT id, value_1, value_2 FROM test_table_1 INNER JOIN test_table_2 USING (id);$doc$))
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LIFETIME(0)
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""".format(started_cluster.postgres_ip, started_cluster.postgres_port))
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result = query("SELECT id, value_1, value_2 FROM test_dictionary_custom_query")
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assert result == '1\tValue_1\tValue_2\n'
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query("DROP DICTIONARY test_dictionary_custom_query;")
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cursor.execute("DROP TABLE test_table_2;")
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cursor.execute("DROP TABLE test_table_1;")
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def test_postgres_dictionaries_custom_query_partial_load_simple_key(started_cluster):
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conn = get_postgres_conn(ip=started_cluster.postgres_ip, database=True, port=started_cluster.postgres_port)
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cursor = conn.cursor()
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cursor.execute("CREATE TABLE IF NOT EXISTS test_table_1 (id Integer, value_1 Text);")
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cursor.execute("CREATE TABLE IF NOT EXISTS test_table_2 (id Integer, value_2 Text);")
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cursor.execute("INSERT INTO test_table_1 VALUES (1, 'Value_1');")
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cursor.execute("INSERT INTO test_table_2 VALUES (1, 'Value_2');")
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query = node1.query
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query("""
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CREATE DICTIONARY test_dictionary_custom_query
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(
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id UInt64,
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value_1 String,
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value_2 String
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)
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PRIMARY KEY id
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LAYOUT(DIRECT())
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SOURCE(PostgreSQL(
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DB 'clickhouse'
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HOST '{}'
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PORT {}
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USER 'postgres'
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PASSWORD 'mysecretpassword'
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QUERY $doc$SELECT id, value_1, value_2 FROM test_table_1 INNER JOIN test_table_2 USING (id) WHERE {{condition}};$doc$))
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""".format(started_cluster.postgres_ip, started_cluster.postgres_port))
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result = query("SELECT dictGet('test_dictionary_custom_query', ('value_1', 'value_2'), toUInt64(1))")
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assert result == '(\'Value_1\',\'Value_2\')\n'
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query("DROP DICTIONARY test_dictionary_custom_query;")
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cursor.execute("DROP TABLE test_table_2;")
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cursor.execute("DROP TABLE test_table_1;")
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def test_postgres_dictionaries_custom_query_partial_load_complex_key(started_cluster):
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conn = get_postgres_conn(ip=started_cluster.postgres_ip, database=True, port=started_cluster.postgres_port)
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cursor = conn.cursor()
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cursor.execute("CREATE TABLE IF NOT EXISTS test_table_1 (id Integer, key Text, value_1 Text);")
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cursor.execute("CREATE TABLE IF NOT EXISTS test_table_2 (id Integer, key Text, value_2 Text);")
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cursor.execute("INSERT INTO test_table_1 VALUES (1, 'Key', 'Value_1');")
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cursor.execute("INSERT INTO test_table_2 VALUES (1, 'Key', 'Value_2');")
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query = node1.query
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query("""
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CREATE DICTIONARY test_dictionary_custom_query
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(
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id UInt64,
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key String,
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value_1 String,
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value_2 String
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)
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PRIMARY KEY id, key
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LAYOUT(COMPLEX_KEY_DIRECT())
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SOURCE(PostgreSQL(
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DB 'clickhouse'
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HOST '{}'
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PORT {}
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USER 'postgres'
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PASSWORD 'mysecretpassword'
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QUERY $doc$SELECT id, key, value_1, value_2 FROM test_table_1 INNER JOIN test_table_2 USING (id, key) WHERE {{condition}};$doc$))
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""".format(started_cluster.postgres_ip, started_cluster.postgres_port))
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result = query("SELECT dictGet('test_dictionary_custom_query', ('value_1', 'value_2'), (toUInt64(1), 'Key'))")
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assert result == '(\'Value_1\',\'Value_2\')\n'
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query("DROP DICTIONARY test_dictionary_custom_query;")
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cursor.execute("DROP TABLE test_table_2;")
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cursor.execute("DROP TABLE test_table_1;")
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def test_invalidate_query(started_cluster):
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conn = get_postgres_conn(ip=started_cluster.postgres_ip, database=True, port=started_cluster.postgres_port)
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cursor = conn.cursor()
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table_name = 'test0'
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create_and_fill_postgres_table(cursor, table_name, port=started_cluster.postgres_port, host=started_cluster.postgres_ip)
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# invalidate query: SELECT value FROM test0 WHERE id = 0
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dict_name = 'dict0'
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create_dict(table_name)
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node1.query("SYSTEM RELOAD DICTIONARY {}".format(dict_name))
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assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(0))".format(dict_name)) == "0\n"
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assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(1))".format(dict_name)) == "1\n"
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# update should happen
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cursor.execute("UPDATE {} SET value=value+1 WHERE id = 0".format(table_name))
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while True:
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result = node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(0))".format(dict_name))
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if result != '0\n':
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break
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assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(0))".format(dict_name)) == '1\n'
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# no update should happen
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cursor.execute("UPDATE {} SET value=value*2 WHERE id != 0".format(table_name))
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time.sleep(5)
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assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(0))".format(dict_name)) == '1\n'
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assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(1))".format(dict_name)) == '1\n'
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# update should happen
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cursor.execute("UPDATE {} SET value=value+1 WHERE id = 0".format(table_name))
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time.sleep(5)
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assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(0))".format(dict_name)) == '2\n'
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assert node1.query("SELECT dictGetUInt32('{}', 'value', toUInt64(1))".format(dict_name)) == '2\n'
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node1.query("DROP TABLE IF EXISTS {}".format(table_name))
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node1.query("DROP DICTIONARY IF EXISTS {}".format(dict_name))
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cursor.execute("DROP TABLE IF EXISTS {}".format(table_name))
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def test_dictionary_with_replicas(started_cluster):
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conn1 = get_postgres_conn(ip=started_cluster.postgres_ip, port=started_cluster.postgres_port, database=True)
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cursor1 = conn1.cursor()
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conn2 = get_postgres_conn(ip=started_cluster.postgres2_ip, port=started_cluster.postgres_port, database=True)
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cursor2 = conn2.cursor()
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create_postgres_table(cursor1, 'test1')
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create_postgres_table(cursor2, 'test1')
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cursor1.execute('INSERT INTO test1 select i, i, i from generate_series(0, 99) as t(i);')
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cursor2.execute('INSERT INTO test1 select i, i, i from generate_series(100, 199) as t(i);')
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create_dict('test1', 1)
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result = node1.query("SELECT * FROM `test`.`dict_table_test1` ORDER BY key")
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# priority 0 - non running port
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assert node1.contains_in_log('PostgreSQLConnectionPool: Connection error*')
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# priority 1 - postgres2, table contains rows with values 100-200
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# priority 2 - postgres1, table contains rows with values 0-100
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expected = node1.query("SELECT number, number FROM numbers(100, 100)")
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assert(result == expected)
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cursor1.execute("DROP TABLE IF EXISTS test1")
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cursor2.execute("DROP TABLE IF EXISTS test1")
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node1.query("DROP TABLE IF EXISTS test1")
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node1.query("DROP DICTIONARY IF EXISTS dict1")
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def test_postgres_schema(started_cluster):
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conn = get_postgres_conn(ip=started_cluster.postgres_ip, port=started_cluster.postgres_port, database=True)
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cursor = conn.cursor()
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cursor.execute('CREATE SCHEMA test_schema')
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cursor.execute('CREATE TABLE test_schema.test_table (id integer, value integer)')
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cursor.execute('INSERT INTO test_schema.test_table SELECT i, i FROM generate_series(0, 99) as t(i)')
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node1.query('''
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CREATE DICTIONARY postgres_dict (id UInt32, value UInt32)
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PRIMARY KEY id
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SOURCE(POSTGRESQL(
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port 5432
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host 'postgres1'
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user 'postgres'
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password 'mysecretpassword'
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db 'clickhouse'
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table 'test_schema.test_table'))
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LIFETIME(MIN 1 MAX 2)
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LAYOUT(HASHED());
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''')
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result = node1.query("SELECT dictGetUInt32(postgres_dict, 'value', toUInt64(1))")
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assert(int(result.strip()) == 1)
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result = node1.query("SELECT dictGetUInt32(postgres_dict, 'value', toUInt64(99))")
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assert(int(result.strip()) == 99)
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node1.query("DROP DICTIONARY IF EXISTS postgres_dict")
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def test_predefined_connection_configuration(started_cluster):
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conn = get_postgres_conn(ip=started_cluster.postgres_ip, port=started_cluster.postgres_port, database=True)
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cursor = conn.cursor()
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cursor.execute('DROP TABLE IF EXISTS test_table')
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cursor.execute('CREATE TABLE test_table (id integer, value integer)')
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cursor.execute('INSERT INTO test_table SELECT i, i FROM generate_series(0, 99) as t(i)')
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node1.query('''
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CREATE DICTIONARY postgres_dict (id UInt32, value UInt32)
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PRIMARY KEY id
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SOURCE(POSTGRESQL(NAME postgres1))
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LIFETIME(MIN 1 MAX 2)
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LAYOUT(HASHED());
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''')
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result = node1.query("SELECT dictGetUInt32(postgres_dict, 'value', toUInt64(99))")
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assert(int(result.strip()) == 99)
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cursor.execute('DROP SCHEMA IF EXISTS test_schema CASCADE')
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cursor.execute('CREATE SCHEMA test_schema')
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cursor.execute('CREATE TABLE test_schema.test_table (id integer, value integer)')
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cursor.execute('INSERT INTO test_schema.test_table SELECT i, 100 FROM generate_series(0, 99) as t(i)')
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node1.query('''
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DROP DICTIONARY postgres_dict;
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CREATE DICTIONARY postgres_dict (id UInt32, value UInt32)
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PRIMARY KEY id
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SOURCE(POSTGRESQL(NAME postgres1 SCHEMA test_schema))
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LIFETIME(MIN 1 MAX 2)
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LAYOUT(HASHED());
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''')
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result = node1.query("SELECT dictGetUInt32(postgres_dict, 'value', toUInt64(99))")
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assert(int(result.strip()) == 100)
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node1.query('''
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DROP DICTIONARY postgres_dict;
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CREATE DICTIONARY postgres_dict (id UInt32, value UInt32)
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PRIMARY KEY id
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SOURCE(POSTGRESQL(NAME postgres2))
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LIFETIME(MIN 1 MAX 2)
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LAYOUT(HASHED());
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''')
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result = node1.query("SELECT dictGetUInt32(postgres_dict, 'value', toUInt64(99))")
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assert(int(result.strip()) == 100)
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node1.query('DROP DICTIONARY postgres_dict')
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node1.query('''
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CREATE DICTIONARY postgres_dict (id UInt32, value UInt32)
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PRIMARY KEY id
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SOURCE(POSTGRESQL(NAME postgres4))
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LIFETIME(MIN 1 MAX 2)
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LAYOUT(HASHED());
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''')
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result = node1.query_and_get_error("SELECT dictGetUInt32(postgres_dict, 'value', toUInt64(99))")
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node1.query('''
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DROP DICTIONARY postgres_dict;
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CREATE DICTIONARY postgres_dict (id UInt32, value UInt32)
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PRIMARY KEY id
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SOURCE(POSTGRESQL(NAME postgres1 PORT 5432))
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LIFETIME(MIN 1 MAX 2)
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LAYOUT(HASHED());
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''')
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result = node1.query("SELECT dictGetUInt32(postgres_dict, 'value', toUInt64(99))")
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assert(int(result.strip()) == 99)
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def test_bad_configuration(started_cluster):
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conn = get_postgres_conn(ip=started_cluster.postgres_ip, port=started_cluster.postgres_port, database=True)
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cursor = conn.cursor()
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node1.query('''
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DROP DICTIONARY IF EXISTS postgres_dict;
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CREATE DICTIONARY postgres_dict (id UInt32, value UInt32)
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PRIMARY KEY id
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SOURCE(POSTGRESQL(
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port 5432
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host 'postgres1'
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user 'postgres'
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password 'mysecretpassword'
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dbbb 'clickhouse'
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table 'test_schema.test_table'))
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LIFETIME(MIN 1 MAX 2)
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LAYOUT(HASHED());
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''')
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node1.query_and_get_error("SELECT dictGetUInt32(postgres_dict, 'value', toUInt64(1))")
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assert node1.contains_in_log('Unexpected key `dbbb`')
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if __name__ == '__main__':
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cluster.start()
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input("Cluster created, press any key to destroy...")
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cluster.shutdown()
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