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465 lines
25 KiB
Python
465 lines
25 KiB
Python
import pytest
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import time
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import psycopg2
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import os.path as p
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import random
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import assert_eq_with_retry
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from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
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from helpers.test_tools import TSV
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from random import randrange
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import threading
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from helpers.postgres_utility import get_postgres_conn
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from helpers.postgres_utility import PostgresManager
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from helpers.postgres_utility import create_replication_slot, drop_replication_slot
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from helpers.postgres_utility import create_postgres_schema, drop_postgres_schema
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from helpers.postgres_utility import create_postgres_table, drop_postgres_table
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from helpers.postgres_utility import create_postgres_table_with_schema, drop_postgres_table_with_schema
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from helpers.postgres_utility import check_tables_are_synchronized
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from helpers.postgres_utility import check_several_tables_are_synchronized
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from helpers.postgres_utility import assert_nested_table_is_created
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from helpers.postgres_utility import assert_number_of_columns
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from helpers.postgres_utility import postgres_table_template, postgres_table_template_2, postgres_table_template_3, postgres_table_template_4, postgres_table_template_5
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from helpers.postgres_utility import queries
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cluster = ClickHouseCluster(__file__)
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instance = cluster.add_instance('instance',
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main_configs = ['configs/log_conf.xml'],
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user_configs = ['configs/users.xml'],
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with_postgres=True, stay_alive=True)
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pg_manager = PostgresManager()
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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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pg_manager.init(instance, cluster.postgres_ip, cluster.postgres_port)
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yield cluster
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finally:
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cluster.shutdown()
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@pytest.fixture(autouse=True)
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def setup_teardown():
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print("PostgreSQL is available - running test")
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yield # run test
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pg_manager.restart()
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def test_add_new_table_to_replication(started_cluster):
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cursor = pg_manager.get_db_cursor()
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cursor.execute('DROP TABLE IF EXISTS test_table')
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NUM_TABLES = 5
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pg_manager.create_and_fill_postgres_tables_from_cursor(cursor, NUM_TABLES, 10000)
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pg_manager.create_materialized_db(ip=started_cluster.postgres_ip, port=started_cluster.postgres_port)
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check_several_tables_are_synchronized(instance, NUM_TABLES)
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result = instance.query("SHOW TABLES FROM test_database")
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assert(result == "postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\npostgresql_replica_4\n")
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table_name = 'postgresql_replica_5'
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pg_manager.create_and_fill_postgres_table_from_cursor(cursor, table_name)
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result = instance.query('SHOW CREATE DATABASE test_database')
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assert(result[:63] == "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL(") # Check without ip
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assert(result[-59:] == "\\'postgres_database\\', \\'postgres\\', \\'mysecretpassword\\')\n")
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result = instance.query_and_get_error("ALTER DATABASE test_database MODIFY SETTING materialized_postgresql_tables_list='tabl1'")
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assert('Changing setting `materialized_postgresql_tables_list` is not allowed' in result)
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result = instance.query_and_get_error("ALTER DATABASE test_database MODIFY SETTING materialized_postgresql_tables='tabl1'")
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assert('Database engine MaterializedPostgreSQL does not support setting' in result)
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instance.query(f"ATTACH TABLE test_database.{table_name}");
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result = instance.query("SHOW TABLES FROM test_database")
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assert(result == "postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\npostgresql_replica_4\npostgresql_replica_5\n")
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check_tables_are_synchronized(instance, table_name);
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instance.query(f"INSERT INTO postgres_database.{table_name} SELECT number, number from numbers(10000, 10000)")
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check_tables_are_synchronized(instance, table_name);
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result = instance.query_and_get_error(f"ATTACH TABLE test_database.{table_name}");
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assert('Table test_database.postgresql_replica_5 already exists' in result)
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result = instance.query_and_get_error("ATTACH TABLE test_database.unknown_table");
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assert('PostgreSQL table unknown_table does not exist' in result)
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result = instance.query('SHOW CREATE DATABASE test_database')
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assert(result[:63] == "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL(")
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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")
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table_name = 'postgresql_replica_6'
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create_postgres_table(cursor, table_name)
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instance.query("INSERT INTO postgres_database.{} SELECT number, number from numbers(10000)".format(table_name))
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instance.query(f"ATTACH TABLE test_database.{table_name}");
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instance.restart_clickhouse()
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table_name = 'postgresql_replica_7'
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create_postgres_table(cursor, table_name)
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instance.query("INSERT INTO postgres_database.{} SELECT number, number from numbers(10000)".format(table_name))
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instance.query(f"ATTACH TABLE test_database.{table_name}");
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result = instance.query('SHOW CREATE DATABASE test_database')
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assert(result[:63] == "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL(")
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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")
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result = instance.query("SHOW TABLES FROM test_database")
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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")
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check_several_tables_are_synchronized(instance, NUM_TABLES + 3)
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def test_remove_table_from_replication(started_cluster):
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NUM_TABLES = 5
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pg_manager.create_and_fill_postgres_tables(NUM_TABLES, 10000)
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pg_manager.create_materialized_db(ip=started_cluster.postgres_ip, port=started_cluster.postgres_port)
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check_several_tables_are_synchronized(instance, NUM_TABLES)
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result = instance.query("SHOW TABLES FROM test_database")
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assert(result == "postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\npostgresql_replica_4\n")
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result = instance.query('SHOW CREATE DATABASE test_database')
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assert(result[:63] == "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL(")
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assert(result[-59:] == "\\'postgres_database\\', \\'postgres\\', \\'mysecretpassword\\')\n")
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table_name = 'postgresql_replica_4'
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instance.query(f'DETACH TABLE test_database.{table_name}');
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result = instance.query_and_get_error(f'SELECT * FROM test_database.{table_name}')
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assert("doesn't exist" in result)
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result = instance.query("SHOW TABLES FROM test_database")
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assert(result == "postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\n")
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result = instance.query('SHOW CREATE DATABASE test_database')
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assert(result[:63] == "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL(")
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assert(result[-138:] == ")\\nSETTINGS materialized_postgresql_tables_list = \\'postgresql_replica_0,postgresql_replica_1,postgresql_replica_2,postgresql_replica_3\\'\n")
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instance.query(f'ATTACH TABLE test_database.{table_name}');
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check_tables_are_synchronized(instance, table_name);
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check_several_tables_are_synchronized(instance, NUM_TABLES)
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result = instance.query('SHOW CREATE DATABASE test_database')
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assert(result[:63] == "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL(")
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assert(result[-159:] == ")\\nSETTINGS materialized_postgresql_tables_list = \\'postgresql_replica_0,postgresql_replica_1,postgresql_replica_2,postgresql_replica_3,postgresql_replica_4\\'\n")
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table_name = 'postgresql_replica_1'
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instance.query(f'DETACH TABLE test_database.{table_name}');
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result = instance.query('SHOW CREATE DATABASE test_database')
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assert(result[:63] == "CREATE DATABASE test_database\\nENGINE = MaterializedPostgreSQL(")
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assert(result[-138:] == ")\\nSETTINGS materialized_postgresql_tables_list = \\'postgresql_replica_0,postgresql_replica_2,postgresql_replica_3,postgresql_replica_4\\'\n")
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cursor = pg_manager.get_db_cursor()
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cursor.execute(f'drop table if exists postgresql_replica_0;')
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# Removing from replication table which does not exist in PostgreSQL must be ok.
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instance.query('DETACH TABLE test_database.postgresql_replica_0');
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assert instance.contains_in_log("from publication, because table does not exist in PostgreSQL")
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def test_predefined_connection_configuration(started_cluster):
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cursor = pg_manager.get_db_cursor()
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cursor.execute(f'DROP TABLE IF EXISTS test_table')
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cursor.execute(f'CREATE TABLE test_table (key integer PRIMARY KEY, value integer)')
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cursor.execute(f'INSERT INTO test_table SELECT 1, 2')
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instance.query("CREATE DATABASE test_database ENGINE = MaterializedPostgreSQL(postgres1) SETTINGS materialized_postgresql_tables_list='test_table'")
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check_tables_are_synchronized(instance, "test_table");
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pg_manager.drop_materialized_db()
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insert_counter = 0
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def test_database_with_single_non_default_schema(started_cluster):
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cursor = pg_manager.get_db_cursor()
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NUM_TABLES=5
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schema_name = 'test_schema'
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materialized_db = 'test_database'
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clickhouse_postgres_db = 'postgres_database_with_schema'
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global insert_counter
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insert_counter = 0
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def insert_into_tables():
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global insert_counter
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clickhouse_postgres_db = 'postgres_database_with_schema'
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for i in range(NUM_TABLES):
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table_name = f'postgresql_replica_{i}'
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instance.query(f"INSERT INTO {clickhouse_postgres_db}.{table_name} SELECT number, number from numbers(1000 * {insert_counter}, 1000)")
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insert_counter += 1
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def assert_show_tables(expected):
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result = instance.query('SHOW TABLES FROM test_database')
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assert(result == expected)
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print('assert show tables Ok')
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def check_all_tables_are_synchronized():
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for i in range(NUM_TABLES):
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print('checking table', i)
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check_tables_are_synchronized(instance, f"postgresql_replica_{i}", postgres_database=clickhouse_postgres_db);
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print('synchronization Ok')
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create_postgres_schema(cursor, schema_name)
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pg_manager.create_clickhouse_postgres_db(ip=cluster.postgres_ip, port=cluster.postgres_port, name=clickhouse_postgres_db, schema_name=schema_name)
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for i in range(NUM_TABLES):
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create_postgres_table_with_schema(cursor, schema_name, f'postgresql_replica_{i}');
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insert_into_tables()
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pg_manager.create_materialized_db(ip=started_cluster.postgres_ip, port=started_cluster.postgres_port,
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settings=[f"materialized_postgresql_schema = '{schema_name}'", "materialized_postgresql_allow_automatic_update = 1"])
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insert_into_tables()
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check_all_tables_are_synchronized()
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assert_show_tables("postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\npostgresql_replica_4\n")
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instance.restart_clickhouse()
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check_all_tables_are_synchronized()
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assert_show_tables("postgresql_replica_0\npostgresql_replica_1\npostgresql_replica_2\npostgresql_replica_3\npostgresql_replica_4\n")
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insert_into_tables()
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check_all_tables_are_synchronized()
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print('ALTER')
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altered_table = random.randint(0, NUM_TABLES-1)
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cursor.execute("ALTER TABLE test_schema.postgresql_replica_{} ADD COLUMN value2 integer".format(altered_table))
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instance.query(f"INSERT INTO {clickhouse_postgres_db}.postgresql_replica_{altered_table} SELECT number, number, number from numbers(5000, 1000)")
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assert_number_of_columns(instance, 3, f'postgresql_replica_{altered_table}')
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check_tables_are_synchronized(instance, f"postgresql_replica_{altered_table}", postgres_database=clickhouse_postgres_db);
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print('DETACH-ATTACH')
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detached_table_name = "postgresql_replica_1"
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instance.query(f"DETACH TABLE {materialized_db}.{detached_table_name}")
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assert not instance.contains_in_log("from publication, because table does not exist in PostgreSQL")
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instance.query(f"ATTACH TABLE {materialized_db}.{detached_table_name}")
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check_tables_are_synchronized(instance, detached_table_name, postgres_database=clickhouse_postgres_db);
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def test_database_with_multiple_non_default_schemas_1(started_cluster):
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cursor = pg_manager.get_db_cursor()
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NUM_TABLES = 5
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schema_name = 'test_schema'
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clickhouse_postgres_db = 'postgres_database_with_schema'
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materialized_db = 'test_database'
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publication_tables = ''
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global insert_counter
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insert_counter = 0
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def insert_into_tables():
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global insert_counter
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clickhouse_postgres_db = 'postgres_database_with_schema'
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for i in range(NUM_TABLES):
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table_name = f'postgresql_replica_{i}'
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instance.query(f"INSERT INTO {clickhouse_postgres_db}.{table_name} SELECT number, number from numbers(1000 * {insert_counter}, 1000)")
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insert_counter += 1
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def assert_show_tables(expected):
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result = instance.query('SHOW TABLES FROM test_database')
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assert(result == expected)
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print('assert show tables Ok')
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def check_all_tables_are_synchronized():
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for i in range(NUM_TABLES):
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print('checking table', i)
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check_tables_are_synchronized(instance, "postgresql_replica_{}".format(i), schema_name=schema_name, postgres_database=clickhouse_postgres_db);
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print('synchronization Ok')
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create_postgres_schema(cursor, schema_name)
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pg_manager.create_clickhouse_postgres_db(ip=cluster.postgres_ip, port=cluster.postgres_port, name=clickhouse_postgres_db, schema_name=schema_name)
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for i in range(NUM_TABLES):
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table_name = 'postgresql_replica_{}'.format(i)
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create_postgres_table_with_schema(cursor, schema_name, table_name);
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if publication_tables != '':
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publication_tables += ', '
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publication_tables += schema_name + '.' + table_name
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insert_into_tables()
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pg_manager.create_materialized_db(ip=started_cluster.postgres_ip, port=started_cluster.postgres_port,
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settings=[f"materialized_postgresql_tables_list = '{publication_tables}'", "materialized_postgresql_tables_list_with_schema=1", "materialized_postgresql_allow_automatic_update = 1"])
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check_all_tables_are_synchronized()
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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")
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instance.restart_clickhouse()
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check_all_tables_are_synchronized()
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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")
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insert_into_tables()
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check_all_tables_are_synchronized()
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print('ALTER')
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altered_table = random.randint(0, NUM_TABLES-1)
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cursor.execute("ALTER TABLE test_schema.postgresql_replica_{} ADD COLUMN value2 integer".format(altered_table))
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instance.query(f"INSERT INTO {clickhouse_postgres_db}.postgresql_replica_{altered_table} SELECT number, number, number from numbers(5000, 1000)")
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assert_number_of_columns(instance, 3, f'{schema_name}.postgresql_replica_{altered_table}')
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check_tables_are_synchronized(instance, f"postgresql_replica_{altered_table}", schema_name=schema_name, postgres_database=clickhouse_postgres_db);
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print('DETACH-ATTACH')
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detached_table_name = "postgresql_replica_1"
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instance.query(f"DETACH TABLE {materialized_db}.`{schema_name}.{detached_table_name}`")
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assert not instance.contains_in_log("from publication, because table does not exist in PostgreSQL")
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instance.query(f"ATTACH TABLE {materialized_db}.`{schema_name}.{detached_table_name}`")
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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")
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check_tables_are_synchronized(instance, detached_table_name, schema_name=schema_name, postgres_database=clickhouse_postgres_db);
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def test_database_with_multiple_non_default_schemas_2(started_cluster):
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cursor = pg_manager.get_db_cursor()
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NUM_TABLES = 2
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schemas_num = 2
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schema_list = 'schema0, schema1'
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materialized_db = 'test_database'
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global insert_counter
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insert_counter = 0
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def check_all_tables_are_synchronized():
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for i in range(schemas_num):
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schema_name = f'schema{i}'
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clickhouse_postgres_db = f'clickhouse_postgres_db{i}'
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for ti in range(NUM_TABLES):
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table_name = f'postgresql_replica_{ti}'
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print(f'checking table {schema_name}.{table_name}')
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check_tables_are_synchronized(instance, f'{table_name}', schema_name=schema_name, postgres_database=clickhouse_postgres_db);
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print('synchronized Ok')
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def insert_into_tables():
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global insert_counter
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for i in range(schemas_num):
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clickhouse_postgres_db = f'clickhouse_postgres_db{i}'
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for ti in range(NUM_TABLES):
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table_name = f'postgresql_replica_{ti}'
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instance.query(f'INSERT INTO {clickhouse_postgres_db}.{table_name} SELECT number, number from numbers(1000 * {insert_counter}, 1000)')
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insert_counter += 1
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def assert_show_tables(expected):
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result = instance.query('SHOW TABLES FROM test_database')
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assert(result == expected)
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print('assert show tables Ok')
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for i in range(schemas_num):
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schema_name = f'schema{i}'
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clickhouse_postgres_db = f'clickhouse_postgres_db{i}'
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create_postgres_schema(cursor, schema_name)
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pg_manager.create_clickhouse_postgres_db(ip=cluster.postgres_ip, port=cluster.postgres_port, name=clickhouse_postgres_db, schema_name=schema_name)
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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}'",
|
|
"materialized_postgresql_allow_automatic_update = 1"])
|
|
|
|
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}'
|
|
cursor.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_number_of_columns(instance, 3, f'schema{altered_schema}.postgresql_replica_{altered_table}')
|
|
check_tables_are_synchronized(instance, f"postgresql_replica_{altered_table}", schema_name=f"schema{altered_schema}", postgres_database=clickhouse_postgres_db);
|
|
|
|
print('DETACH-ATTACH')
|
|
detached_table_name = "postgresql_replica_1"
|
|
detached_table_schema = "schema0"
|
|
clickhouse_postgres_db = f'clickhouse_postgres_db0'
|
|
instance.query(f"DETACH TABLE {materialized_db}.`{detached_table_schema}.{detached_table_name}`")
|
|
assert not instance.contains_in_log("from publication, because table does not exist in PostgreSQL")
|
|
instance.query(f"ATTACH TABLE {materialized_db}.`{detached_table_schema}.{detached_table_name}`")
|
|
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=detached_table_schema, postgres_database=clickhouse_postgres_db);
|
|
|
|
|
|
def test_table_override(started_cluster):
|
|
cursor = pg_manager.get_db_cursor()
|
|
table_name = 'table_override'
|
|
materialized_database = 'test_database'
|
|
create_postgres_table(cursor, 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))"
|
|
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)\\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} no delay")
|
|
assert_eq_with_retry(instance, query, expected)
|
|
|
|
|
|
def test_table_schema_changes_2(started_cluster):
|
|
cursor = pg_manager.get_db_cursor()
|
|
table_name = "test_table"
|
|
|
|
create_postgres_table(cursor, table_name, template=postgres_table_template_2);
|
|
instance.query(f"INSERT INTO postgres_database.{table_name} SELECT number, number, number, number from numbers(25)")
|
|
|
|
pg_manager.create_materialized_db(
|
|
ip=started_cluster.postgres_ip, port=started_cluster.postgres_port,
|
|
settings=["materialized_postgresql_allow_automatic_update = 1, materialized_postgresql_tables_list='test_table'"])
|
|
|
|
instance.query(f"INSERT INTO postgres_database.{table_name} SELECT number, number, number, number from numbers(25, 25)")
|
|
check_tables_are_synchronized(instance, table_name);
|
|
|
|
cursor.execute(f"ALTER TABLE {table_name} DROP COLUMN value1")
|
|
cursor.execute(f"ALTER TABLE {table_name} DROP COLUMN value2")
|
|
cursor.execute(f"ALTER TABLE {table_name} ADD COLUMN value1 Text")
|
|
cursor.execute(f"ALTER TABLE {table_name} ADD COLUMN value2 Text")
|
|
cursor.execute(f"ALTER TABLE {table_name} DROP COLUMN value3")
|
|
cursor.execute(f"ALTER TABLE {table_name} ADD COLUMN value3 Text")
|
|
cursor.execute(f"ALTER TABLE {table_name} ADD COLUMN value4 Text")
|
|
cursor.execute(f"UPDATE {table_name} SET value3 = 'kek' WHERE key%2=0")
|
|
check_tables_are_synchronized(instance, table_name);
|
|
instance.query(f"INSERT INTO postgres_database.{table_name} SELECT number, toString(number), toString(number), toString(number), toString(number) from numbers(50, 25)")
|
|
cursor.execute(f"ALTER TABLE {table_name} ADD COLUMN value5 Integer")
|
|
cursor.execute(f"ALTER TABLE {table_name} DROP COLUMN value2")
|
|
instance.query(f"INSERT INTO postgres_database.{table_name} SELECT number, toString(number), toString(number), toString(number), number from numbers(75, 25)")
|
|
check_tables_are_synchronized(instance, table_name);
|
|
instance.restart_clickhouse()
|
|
check_tables_are_synchronized(instance, table_name);
|
|
cursor.execute(f"ALTER TABLE {table_name} DROP COLUMN value5")
|
|
cursor.execute(f"ALTER TABLE {table_name} ADD COLUMN value5 Text")
|
|
instance.query(f"INSERT INTO postgres_database.{table_name} SELECT number, toString(number), toString(number), toString(number), toString(number) from numbers(100, 25)")
|
|
check_tables_are_synchronized(instance, table_name);
|
|
cursor.execute(f"ALTER TABLE {table_name} ADD COLUMN value6 Text")
|
|
cursor.execute(f"ALTER TABLE {table_name} ADD COLUMN value7 Integer")
|
|
cursor.execute(f"ALTER TABLE {table_name} ADD COLUMN value8 Integer")
|
|
cursor.execute(f"ALTER TABLE {table_name} DROP COLUMN value5")
|
|
instance.query(f"INSERT INTO postgres_database.{table_name} SELECT number, toString(number), toString(number), toString(number), toString(number), number, number from numbers(125, 25)")
|
|
check_tables_are_synchronized(instance, table_name);
|
|
|
|
|
|
if __name__ == '__main__':
|
|
cluster.start()
|
|
input("Cluster created, press any key to destroy...")
|
|
cluster.shutdown()
|