ClickHouse/tests/integration/test_postgresql_replica_database_engine_2/test.py
2023-10-18 13:01:35 +02:00

817 lines
30 KiB
Python

import pytest
import time
import psycopg2
import os.path as p
import random
from helpers.cluster import ClickHouseCluster
from helpers.test_tools import assert_eq_with_retry
from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
from helpers.test_tools import TSV
from random import randrange
import threading
from helpers.postgres_utility import get_postgres_conn
from helpers.postgres_utility import PostgresManager
from helpers.postgres_utility import create_replication_slot, drop_replication_slot
from helpers.postgres_utility import create_postgres_schema, drop_postgres_schema
from helpers.postgres_utility import create_postgres_table, drop_postgres_table
from helpers.postgres_utility import (
create_postgres_table_with_schema,
drop_postgres_table_with_schema,
)
from helpers.postgres_utility import check_tables_are_synchronized
from helpers.postgres_utility import check_several_tables_are_synchronized
from helpers.postgres_utility import assert_nested_table_is_created
from helpers.postgres_utility import assert_number_of_columns
from helpers.postgres_utility import (
postgres_table_template,
postgres_table_template_2,
postgres_table_template_3,
postgres_table_template_4,
postgres_table_template_5,
)
from helpers.postgres_utility import queries
cluster = ClickHouseCluster(__file__)
instance = cluster.add_instance(
"instance",
main_configs=["configs/log_conf.xml"],
user_configs=["configs/users.xml"],
with_postgres=True,
stay_alive=True,
)
instance2 = cluster.add_instance(
"instance2",
main_configs=["configs/log_conf.xml", "configs/merge_tree_too_many_parts.xml"],
user_configs=["configs/users.xml"],
with_postgres=True,
stay_alive=True,
)
pg_manager = PostgresManager()
pg_manager2 = PostgresManager()
pg_manager_instance2 = PostgresManager()
@pytest.fixture(scope="module")
def started_cluster():
try:
cluster.start()
pg_manager.init(
instance,
cluster.postgres_ip,
cluster.postgres_port,
default_database="postgres_database",
)
pg_manager_instance2.init(
instance2,
cluster.postgres_ip,
cluster.postgres_port,
default_database="postgres_database",
postgres_db_exists=True,
)
pg_manager2.init(
instance2, cluster.postgres_ip, cluster.postgres_port, "postgres_database2"
)
yield cluster
finally:
cluster.shutdown()
@pytest.fixture(autouse=True)
def setup_teardown():
print("PostgreSQL is available - running test")
yield # run test
pg_manager.restart()
def test_add_new_table_to_replication(started_cluster):
NUM_TABLES = 5
pg_manager.create_and_fill_postgres_tables(NUM_TABLES, 10000)
pg_manager.create_materialized_db(
ip=started_cluster.postgres_ip, port=started_cluster.postgres_port
)
check_several_tables_are_synchronized(instance, NUM_TABLES)
result = instance.query("SHOW TABLES FROM test_database")
assert (
result
== "postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\npostgresql_replica_4\n"
)
table_name = "postgresql_replica_5"
pg_manager.create_and_fill_postgres_table(table_name)
result = instance.query("SHOW CREATE DATABASE test_database")
assert (
result[:63]
== "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL("
) # Check without ip
assert result[-51:] == "\\'postgres_database\\', \\'postgres\\', \\'[HIDDEN]\\')\n"
result = instance.query_and_get_error(
"ALTER DATABASE test_database MODIFY SETTING materialized_postgresql_tables_list='tabl1'"
)
assert (
"Changing setting `materialized_postgresql_tables_list` is not allowed"
in result
)
result = instance.query_and_get_error(
"ALTER DATABASE test_database MODIFY SETTING materialized_postgresql_tables='tabl1'"
)
assert "Database engine MaterializedPostgreSQL does not support setting" in result
instance.query(f"ATTACH TABLE test_database.{table_name}")
result = instance.query("SHOW TABLES FROM test_database")
assert (
result
== "postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\npostgresql_replica_4\npostgresql_replica_5\n"
)
check_tables_are_synchronized(instance, table_name)
instance.query(
f"INSERT INTO postgres_database.{table_name} SELECT number, number from numbers(10000, 10000)"
)
check_tables_are_synchronized(instance, table_name)
result = instance.query_and_get_error(f"ATTACH TABLE test_database.{table_name}")
assert "Table test_database.postgresql_replica_5 already exists" in result
result = instance.query_and_get_error("ATTACH TABLE test_database.unknown_table")
assert "PostgreSQL table unknown_table does not exist" in result
result = instance.query("SHOW CREATE DATABASE test_database")
assert (
result[:63]
== "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL("
)
assert (
result[-180:]
== ")\\nSETTINGS materialized_postgresql_tables_list = \\'postgresql_replica_0,postgresql_replica_1,postgresql_replica_2,postgresql_replica_3,postgresql_replica_4,postgresql_replica_5\\'\n"
)
table_name = "postgresql_replica_6"
pg_manager.create_postgres_table(table_name)
instance.query(
"INSERT INTO postgres_database.{} SELECT number, number from numbers(10000)".format(
table_name
)
)
instance.query(f"ATTACH TABLE test_database.{table_name}")
instance.restart_clickhouse()
table_name = "postgresql_replica_7"
pg_manager.create_postgres_table(table_name)
instance.query(
"INSERT INTO postgres_database.{} SELECT number, number from numbers(10000)".format(
table_name
)
)
instance.query(f"ATTACH TABLE test_database.{table_name}")
result = instance.query("SHOW CREATE DATABASE test_database")
assert (
result[:63]
== "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL("
)
assert (
result[-222:]
== ")\\nSETTINGS materialized_postgresql_tables_list = \\'postgresql_replica_0,postgresql_replica_1,postgresql_replica_2,postgresql_replica_3,postgresql_replica_4,postgresql_replica_5,postgresql_replica_6,postgresql_replica_7\\'\n"
)
instance.query(
f"INSERT INTO postgres_database.{table_name} SELECT number, number from numbers(10000, 10000)"
)
result = instance.query("SHOW TABLES FROM test_database")
assert (
result
== "postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\npostgresql_replica_4\npostgresql_replica_5\npostgresql_replica_6\npostgresql_replica_7\n"
)
check_several_tables_are_synchronized(instance, NUM_TABLES + 3)
def test_remove_table_from_replication(started_cluster):
NUM_TABLES = 5
pg_manager.create_and_fill_postgres_tables(NUM_TABLES, 10000)
pg_manager.create_materialized_db(
ip=started_cluster.postgres_ip, port=started_cluster.postgres_port
)
check_several_tables_are_synchronized(instance, NUM_TABLES)
result = instance.query("SHOW TABLES FROM test_database")
assert (
result
== "postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\npostgresql_replica_4\n"
)
result = instance.query("SHOW CREATE DATABASE test_database")
assert (
result[:63]
== "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL("
)
assert result[-51:] == "\\'postgres_database\\', \\'postgres\\', \\'[HIDDEN]\\')\n"
table_name = "postgresql_replica_4"
instance.query(f"DETACH TABLE test_database.{table_name} PERMANENTLY")
result = instance.query_and_get_error(f"SELECT * FROM test_database.{table_name}")
assert "UNKNOWN_TABLE" in result
result = instance.query("SHOW TABLES FROM test_database")
assert (
result
== "postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\n"
)
result = instance.query("SHOW CREATE DATABASE test_database")
assert (
result[:63]
== "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL("
)
assert (
result[-138:]
== ")\\nSETTINGS materialized_postgresql_tables_list = \\'postgresql_replica_0,postgresql_replica_1,postgresql_replica_2,postgresql_replica_3\\'\n"
)
instance.query(f"ATTACH TABLE test_database.{table_name}")
check_tables_are_synchronized(instance, table_name)
check_several_tables_are_synchronized(instance, NUM_TABLES)
instance.query(
f"INSERT INTO postgres_database.{table_name} SELECT number, number from numbers(10000, 10000)"
)
check_tables_are_synchronized(instance, table_name)
result = instance.query("SHOW CREATE DATABASE test_database")
assert (
result[:63]
== "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL("
)
assert (
result[-159:]
== ")\\nSETTINGS materialized_postgresql_tables_list = \\'postgresql_replica_0,postgresql_replica_1,postgresql_replica_2,postgresql_replica_3,postgresql_replica_4\\'\n"
)
table_name = "postgresql_replica_1"
instance.query(f"DETACH TABLE test_database.{table_name} PERMANENTLY")
result = instance.query("SHOW CREATE DATABASE test_database")
assert (
result[:63]
== "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL("
)
assert (
result[-138:]
== ")\\nSETTINGS materialized_postgresql_tables_list = \\'postgresql_replica_0,postgresql_replica_2,postgresql_replica_3,postgresql_replica_4\\'\n"
)
pg_manager.execute(f"drop table if exists postgresql_replica_0;")
# Removing from replication table which does not exist in PostgreSQL must be ok.
instance.query("DETACH TABLE test_database.postgresql_replica_0 PERMANENTLY")
assert instance.contains_in_log(
"from publication, because table does not exist in PostgreSQL"
)
def test_predefined_connection_configuration(started_cluster):
pg_manager.execute(f"DROP TABLE IF EXISTS test_table")
pg_manager.execute(
f"CREATE TABLE test_table (key integer PRIMARY KEY, value integer)"
)
pg_manager.execute(f"INSERT INTO test_table SELECT 1, 2")
instance.query(
"CREATE DATABASE test_database ENGINE = MaterializedPostgreSQL(postgres1) SETTINGS materialized_postgresql_tables_list='test_table'"
)
check_tables_are_synchronized(instance, "test_table")
pg_manager.drop_materialized_db()
insert_counter = 0
def test_database_with_single_non_default_schema(started_cluster):
cursor = pg_manager.get_db_cursor()
NUM_TABLES = 5
schema_name = "test_schema"
materialized_db = "test_database"
clickhouse_postgres_db = "postgres_database_with_schema"
global insert_counter
insert_counter = 0
def insert_into_tables():
global insert_counter
clickhouse_postgres_db = "postgres_database_with_schema"
for i in range(NUM_TABLES):
table_name = f"postgresql_replica_{i}"
instance.query(
f"INSERT INTO {clickhouse_postgres_db}.{table_name} SELECT number, number from numbers(1000 * {insert_counter}, 1000)"
)
insert_counter += 1
def assert_show_tables(expected):
result = instance.query("SHOW TABLES FROM test_database")
assert result == expected
print("assert show tables Ok")
def check_all_tables_are_synchronized():
for i in range(NUM_TABLES):
print("checking table", i)
check_tables_are_synchronized(
instance,
f"postgresql_replica_{i}",
postgres_database=clickhouse_postgres_db,
)
print("synchronization Ok")
create_postgres_schema(cursor, schema_name)
pg_manager.create_clickhouse_postgres_db(
database_name=clickhouse_postgres_db,
schema_name=schema_name,
postgres_database="postgres_database",
)
for i in range(NUM_TABLES):
create_postgres_table_with_schema(
cursor, schema_name, f"postgresql_replica_{i}"
)
insert_into_tables()
pg_manager.create_materialized_db(
ip=started_cluster.postgres_ip,
port=started_cluster.postgres_port,
settings=[
f"materialized_postgresql_schema = '{schema_name}'",
],
)
insert_into_tables()
check_all_tables_are_synchronized()
assert_show_tables(
"postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\npostgresql_replica_4\n"
)
instance.restart_clickhouse()
check_all_tables_are_synchronized()
assert_show_tables(
"postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\npostgresql_replica_4\n"
)
insert_into_tables()
check_all_tables_are_synchronized()
altered_table = random.randint(0, NUM_TABLES - 1)
pg_manager.execute(
"ALTER TABLE test_schema.postgresql_replica_{} ADD COLUMN value2 integer".format(
altered_table
)
)
instance.query(
f"INSERT INTO {clickhouse_postgres_db}.postgresql_replica_{altered_table} SELECT number, number, number from numbers(5000, 1000)"
)
assert instance.wait_for_log_line(
f"Table postgresql_replica_{altered_table} is skipped from replication stream"
)
instance.query(
f"DETACH TABLE test_database.postgresql_replica_{altered_table} PERMANENTLY"
)
assert not instance.contains_in_log(
"from publication, because table does not exist in PostgreSQL"
)
instance.query(f"ATTACH TABLE test_database.postgresql_replica_{altered_table}")
check_tables_are_synchronized(
instance,
f"postgresql_replica_{altered_table}",
postgres_database=clickhouse_postgres_db,
)
def test_database_with_multiple_non_default_schemas_1(started_cluster):
cursor = pg_manager.get_db_cursor()
NUM_TABLES = 5
schema_name = "test_schema"
clickhouse_postgres_db = "postgres_database_with_schema"
materialized_db = "test_database"
publication_tables = ""
global insert_counter
insert_counter = 0
def insert_into_tables():
global insert_counter
clickhouse_postgres_db = "postgres_database_with_schema"
for i in range(NUM_TABLES):
table_name = f"postgresql_replica_{i}"
instance.query(
f"INSERT INTO {clickhouse_postgres_db}.{table_name} SELECT number, number from numbers(1000 * {insert_counter}, 1000)"
)
insert_counter += 1
def assert_show_tables(expected):
result = instance.query("SHOW TABLES FROM test_database")
assert result == expected
print("assert show tables Ok")
def check_all_tables_are_synchronized():
for i in range(NUM_TABLES):
print("checking table", i)
check_tables_are_synchronized(
instance,
"postgresql_replica_{}".format(i),
schema_name=schema_name,
postgres_database=clickhouse_postgres_db,
)
print("synchronization Ok")
create_postgres_schema(cursor, schema_name)
pg_manager.create_clickhouse_postgres_db(
database_name=clickhouse_postgres_db,
schema_name=schema_name,
postgres_database="postgres_database",
)
for i in range(NUM_TABLES):
table_name = "postgresql_replica_{}".format(i)
create_postgres_table_with_schema(cursor, schema_name, table_name)
if publication_tables != "":
publication_tables += ", "
publication_tables += schema_name + "." + table_name
insert_into_tables()
pg_manager.create_materialized_db(
ip=started_cluster.postgres_ip,
port=started_cluster.postgres_port,
settings=[
f"materialized_postgresql_tables_list = '{publication_tables}'",
"materialized_postgresql_tables_list_with_schema=1",
],
)
check_all_tables_are_synchronized()
assert_show_tables(
"test_schema.postgresql_replica_0\ntest_schema.postgresql_replica_1\ntest_schema.postgresql_replica_2\ntest_schema.postgresql_replica_3\ntest_schema.postgresql_replica_4\n"
)
instance.restart_clickhouse()
check_all_tables_are_synchronized()
assert_show_tables(
"test_schema.postgresql_replica_0\ntest_schema.postgresql_replica_1\ntest_schema.postgresql_replica_2\ntest_schema.postgresql_replica_3\ntest_schema.postgresql_replica_4\n"
)
insert_into_tables()
check_all_tables_are_synchronized()
altered_table = random.randint(0, NUM_TABLES - 1)
pg_manager.execute(
"ALTER TABLE test_schema.postgresql_replica_{} ADD COLUMN value2 integer".format(
altered_table
)
)
instance.query(
f"INSERT INTO {clickhouse_postgres_db}.postgresql_replica_{altered_table} SELECT number, number, number from numbers(5000, 1000)"
)
assert instance.wait_for_log_line(
f"Table test_schema.postgresql_replica_{altered_table} is skipped from replication stream"
)
altered_materialized_table = (
f"{materialized_db}.`test_schema.postgresql_replica_{altered_table}`"
)
instance.query(f"DETACH TABLE {altered_materialized_table} PERMANENTLY")
assert not instance.contains_in_log(
"from publication, because table does not exist in PostgreSQL"
)
instance.query(f"ATTACH TABLE {altered_materialized_table}")
assert_show_tables(
"test_schema.postgresql_replica_0\ntest_schema.postgresql_replica_1\ntest_schema.postgresql_replica_2\ntest_schema.postgresql_replica_3\ntest_schema.postgresql_replica_4\n"
)
check_tables_are_synchronized(
instance,
f"postgresql_replica_{altered_table}",
schema_name=schema_name,
postgres_database=clickhouse_postgres_db,
)
def test_database_with_multiple_non_default_schemas_2(started_cluster):
cursor = pg_manager.get_db_cursor()
NUM_TABLES = 2
schemas_num = 2
schema_list = "schema0, schema1"
materialized_db = "test_database"
global insert_counter
insert_counter = 0
def check_all_tables_are_synchronized():
for i in range(schemas_num):
schema_name = f"schema{i}"
clickhouse_postgres_db = f"clickhouse_postgres_db{i}"
for ti in range(NUM_TABLES):
table_name = f"postgresql_replica_{ti}"
print(f"checking table {schema_name}.{table_name}")
check_tables_are_synchronized(
instance,
f"{table_name}",
schema_name=schema_name,
postgres_database=clickhouse_postgres_db,
)
print("synchronized Ok")
def insert_into_tables():
global insert_counter
for i in range(schemas_num):
clickhouse_postgres_db = f"clickhouse_postgres_db{i}"
for ti in range(NUM_TABLES):
table_name = f"postgresql_replica_{ti}"
instance.query(
f"INSERT INTO {clickhouse_postgres_db}.{table_name} SELECT number, number from numbers(1000 * {insert_counter}, 1000)"
)
insert_counter += 1
def assert_show_tables(expected):
result = instance.query("SHOW TABLES FROM test_database")
assert result == expected
print("assert show tables Ok")
for i in range(schemas_num):
schema_name = f"schema{i}"
clickhouse_postgres_db = f"clickhouse_postgres_db{i}"
create_postgres_schema(cursor, schema_name)
pg_manager.create_clickhouse_postgres_db(
database_name=clickhouse_postgres_db,
schema_name=schema_name,
postgres_database="postgres_database",
)
for ti in range(NUM_TABLES):
table_name = f"postgresql_replica_{ti}"
create_postgres_table_with_schema(cursor, schema_name, table_name)
insert_into_tables()
pg_manager.create_materialized_db(
ip=started_cluster.postgres_ip,
port=started_cluster.postgres_port,
settings=[
f"materialized_postgresql_schema_list = '{schema_list}'",
],
)
check_all_tables_are_synchronized()
insert_into_tables()
assert_show_tables(
"schema0.postgresql_replica_0\nschema0.postgresql_replica_1\nschema1.postgresql_replica_0\nschema1.postgresql_replica_1\n"
)
instance.restart_clickhouse()
assert_show_tables(
"schema0.postgresql_replica_0\nschema0.postgresql_replica_1\nschema1.postgresql_replica_0\nschema1.postgresql_replica_1\n"
)
check_all_tables_are_synchronized()
insert_into_tables()
check_all_tables_are_synchronized()
print("ALTER")
altered_schema = random.randint(0, schemas_num - 1)
altered_table = random.randint(0, NUM_TABLES - 1)
clickhouse_postgres_db = f"clickhouse_postgres_db{altered_schema}"
pg_manager.execute(
f"ALTER TABLE schema{altered_schema}.postgresql_replica_{altered_table} ADD COLUMN value2 integer"
)
instance.query(
f"INSERT INTO clickhouse_postgres_db{altered_schema}.postgresql_replica_{altered_table} SELECT number, number, number from numbers(1000 * {insert_counter}, 1000)"
)
assert instance.wait_for_log_line(
f"Table schema{altered_schema}.postgresql_replica_{altered_table} is skipped from replication stream"
)
altered_materialized_table = (
f"{materialized_db}.`schema{altered_schema}.postgresql_replica_{altered_table}`"
)
instance.query(f"DETACH TABLE {altered_materialized_table} PERMANENTLY")
assert not instance.contains_in_log(
"from publication, because table does not exist in PostgreSQL"
)
instance.query(f"ATTACH TABLE {altered_materialized_table}")
assert_show_tables(
"schema0.postgresql_replica_0\nschema0.postgresql_replica_1\nschema1.postgresql_replica_0\nschema1.postgresql_replica_1\n"
)
check_tables_are_synchronized(
instance,
f"postgresql_replica_{altered_table}",
schema_name=f"schema{altered_schema}",
postgres_database=clickhouse_postgres_db,
)
def test_table_override(started_cluster):
table_name = "table_override"
materialized_database = "test_database"
pg_manager.create_postgres_table(table_name, template=postgres_table_template_5)
instance.query(
f"create table {table_name}(key Int32, value UUID) engine = PostgreSQL (postgres1, table={table_name})"
)
instance.query(
f"insert into {table_name} select number, generateUUIDv4() from numbers(10)"
)
table_overrides = f" TABLE OVERRIDE {table_name} (COLUMNS (key Int32, value UUID) PARTITION BY key)"
pg_manager.create_materialized_db(
ip=started_cluster.postgres_ip,
port=started_cluster.postgres_port,
settings=[f"materialized_postgresql_tables_list = '{table_name}'"],
table_overrides=table_overrides,
)
assert_nested_table_is_created(instance, table_name, materialized_database)
result = instance.query(f"show create table {materialized_database}.{table_name}")
print(result)
expected = "CREATE TABLE test_database.table_override\\n(\\n `key` Int32,\\n `value` UUID,\\n `_sign` Int8() MATERIALIZED 1,\\n `_version` UInt64() MATERIALIZED 1\\n)\\nENGINE = ReplacingMergeTree(_version)\\nPARTITION BY key\\nORDER BY tuple(key)"
assert result.strip() == expected
time.sleep(5)
query = f"select * from {materialized_database}.{table_name} order by key"
expected = instance.query(f"select * from {table_name} order by key")
instance.query(f"drop table {table_name} sync")
assert_eq_with_retry(instance, query, expected)
def test_materialized_view(started_cluster):
pg_manager.execute(f"DROP TABLE IF EXISTS test_table")
pg_manager.execute(
f"CREATE TABLE test_table (key integer PRIMARY KEY, value integer)"
)
pg_manager.execute(f"INSERT INTO test_table SELECT 1, 2")
instance.query("DROP DATABASE IF EXISTS test_database")
instance.query(
"CREATE DATABASE test_database ENGINE = MaterializedPostgreSQL(postgres1) SETTINGS materialized_postgresql_tables_list='test_table'"
)
check_tables_are_synchronized(instance, "test_table")
instance.query("DROP TABLE IF EXISTS mv")
instance.query(
"CREATE MATERIALIZED VIEW mv ENGINE=MergeTree ORDER BY tuple() POPULATE AS SELECT * FROM test_database.test_table"
)
assert "1\t2" == instance.query("SELECT * FROM mv").strip()
pg_manager.execute(f"INSERT INTO test_table SELECT 3, 4")
check_tables_are_synchronized(instance, "test_table")
assert "1\t2\n3\t4" == instance.query("SELECT * FROM mv ORDER BY 1, 2").strip()
pg_manager.drop_materialized_db()
def test_too_many_parts(started_cluster):
table = "test_table"
pg_manager2.create_and_fill_postgres_table(table)
pg_manager2.create_materialized_db(
ip=started_cluster.postgres_ip,
port=started_cluster.postgres_port,
settings=[
f"materialized_postgresql_tables_list = 'test_table', materialized_postgresql_backoff_min_ms = 100, materialized_postgresql_backoff_max_ms = 100"
],
)
check_tables_are_synchronized(
instance2, "test_table", postgres_database=pg_manager2.get_default_database()
)
assert (
"50" == instance2.query("SELECT count() FROM test_database.test_table").strip()
)
instance2.query("SYSTEM STOP MERGES")
num = 50
for i in range(10):
instance2.query(
f"""
INSERT INTO {pg_manager2.get_default_database()}.test_table SELECT {num}, {num};
"""
)
num = num + 1
for i in range(30):
if num == int(
instance2.query("SELECT count() FROM test_database.test_table")
) or instance2.contains_in_log("DB::Exception: Too many parts"):
break
time.sleep(1)
print(f"wait sync try {i}")
instance2.query("SYSTEM FLUSH LOGS")
if instance2.contains_in_log("DB::Exception: Too many parts"):
break
assert num == int(
instance2.query("SELECT count() FROM test_database.test_table")
) or num - 1 == int(
instance2.query("SELECT count() FROM test_database.test_table")
)
assert instance2.contains_in_log("DB::Exception: Too many parts")
print(num)
assert num == int(
instance2.query("SELECT count() FROM test_database.test_table")
) or num - 1 == int(instance2.query("SELECT count() FROM test_database.test_table"))
instance2.query("SYSTEM START MERGES")
check_tables_are_synchronized(
instance2, "test_table", postgres_database=pg_manager2.get_default_database()
)
# assert "200" == instance.query("SELECT count FROM test_database.test_table").strip()
pg_manager2.drop_materialized_db()
def test_toast(started_cluster):
table = "test_toast"
pg_manager.create_postgres_table(
table,
"",
"""CREATE TABLE "{}" (id integer PRIMARY KEY, txt text, other text)""",
)
pg_manager.create_materialized_db(
ip=started_cluster.postgres_ip,
port=started_cluster.postgres_port,
settings=[
f"materialized_postgresql_tables_list = '{table}'",
"materialized_postgresql_backoff_min_ms = 100",
"materialized_postgresql_backoff_max_ms = 100",
],
)
pg_manager.execute(
f"""\
INSERT INTO {table} (id, txt)\
VALUES (1, (SELECT array_to_string(ARRAY(SELECT chr((100 + round(random() * 25)) :: integer) FROM generate_series(1,30000) as t(i)), '')))
"""
)
check_tables_are_synchronized(
instance,
table,
postgres_database=pg_manager.get_default_database(),
order_by="id",
)
def test_replica_consumer(started_cluster):
table = "test_replica_consumer"
pg_manager_instance2.restart()
pg_manager.create_postgres_table(table)
instance.query(
f"INSERT INTO postgres_database.{table} SELECT number, number from numbers(0, 50)"
)
for pm in [pg_manager, pg_manager_instance2]:
pm.create_materialized_db(
ip=started_cluster.postgres_ip,
port=started_cluster.postgres_port,
settings=[
f"materialized_postgresql_tables_list = '{table}'",
"materialized_postgresql_backoff_min_ms = 100",
"materialized_postgresql_backoff_max_ms = 100",
"materialized_postgresql_use_unique_replication_consumer_identifier = 1",
],
)
check_tables_are_synchronized(
instance, table, postgres_database=pg_manager.get_default_database()
)
check_tables_are_synchronized(
instance2, table, postgres_database=pg_manager_instance2.get_default_database()
)
assert 50 == int(instance.query(f"SELECT count() FROM test_database.{table}"))
assert 50 == int(instance2.query(f"SELECT count() FROM test_database.{table}"))
instance.query(
f"INSERT INTO postgres_database.{table} SELECT number, number from numbers(1000, 1000)"
)
check_tables_are_synchronized(
instance, table, postgres_database=pg_manager.get_default_database()
)
check_tables_are_synchronized(
instance2, table, postgres_database=pg_manager_instance2.get_default_database()
)
assert 1050 == int(instance.query(f"SELECT count() FROM test_database.{table}"))
assert 1050 == int(instance2.query(f"SELECT count() FROM test_database.{table}"))
for pm in [pg_manager, pg_manager_instance2]:
pm.drop_materialized_db()
pg_manager_instance2.clear()
if __name__ == "__main__":
cluster.start()
input("Cluster created, press any key to destroy...")
cluster.shutdown()