mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 08:40:50 +00:00
343 lines
12 KiB
Python
343 lines
12 KiB
Python
import psycopg2
|
|
import time
|
|
from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
|
|
|
|
postgres_table_template = """
|
|
CREATE TABLE IF NOT EXISTS "{}" (
|
|
key Integer NOT NULL, value Integer, PRIMARY KEY(key))
|
|
"""
|
|
postgres_table_template_2 = """
|
|
CREATE TABLE IF NOT EXISTS "{}" (
|
|
key Integer NOT NULL, value1 Integer, value2 Integer, value3 Integer, PRIMARY KEY(key))
|
|
"""
|
|
postgres_table_template_3 = """
|
|
CREATE TABLE IF NOT EXISTS "{}" (
|
|
key1 Integer NOT NULL, value1 Integer, key2 Integer NOT NULL, value2 Integer NOT NULL)
|
|
"""
|
|
postgres_table_template_4 = """
|
|
CREATE TABLE IF NOT EXISTS "{}"."{}" (
|
|
key Integer NOT NULL, value Integer, PRIMARY KEY(key))
|
|
"""
|
|
postgres_table_template_5 = """
|
|
CREATE TABLE IF NOT EXISTS "{}" (
|
|
key Integer NOT NULL, value UUID, PRIMARY KEY(key))
|
|
"""
|
|
|
|
|
|
def get_postgres_conn(
|
|
ip,
|
|
port,
|
|
database=False,
|
|
auto_commit=True,
|
|
database_name="postgres_database",
|
|
replication=False,
|
|
):
|
|
if database == True:
|
|
conn_string = f"host={ip} port={port} dbname='{database_name}' user='postgres' password='mysecretpassword'"
|
|
else:
|
|
conn_string = (
|
|
f"host={ip} port={port} user='postgres' password='mysecretpassword'"
|
|
)
|
|
|
|
if replication:
|
|
conn_string += " replication='database'"
|
|
|
|
conn = psycopg2.connect(conn_string)
|
|
if auto_commit:
|
|
conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
|
|
conn.autocommit = True
|
|
return conn
|
|
|
|
|
|
def create_replication_slot(conn, slot_name="user_slot"):
|
|
cursor = conn.cursor()
|
|
cursor.execute(
|
|
f"CREATE_REPLICATION_SLOT {slot_name} LOGICAL pgoutput EXPORT_SNAPSHOT"
|
|
)
|
|
result = cursor.fetchall()
|
|
print(result[0][0]) # slot name
|
|
print(result[0][1]) # start lsn
|
|
print(result[0][2]) # snapshot
|
|
return result[0][2]
|
|
|
|
|
|
def drop_replication_slot(conn, slot_name="user_slot"):
|
|
cursor = conn.cursor()
|
|
cursor.execute(f"select pg_drop_replication_slot('{slot_name}')")
|
|
|
|
|
|
def create_postgres_schema(cursor, schema_name):
|
|
drop_postgres_schema(cursor, schema_name)
|
|
cursor.execute(f"CREATE SCHEMA {schema_name}")
|
|
|
|
|
|
def drop_postgres_schema(cursor, schema_name):
|
|
cursor.execute(f"DROP SCHEMA IF EXISTS {schema_name} CASCADE")
|
|
|
|
|
|
def create_postgres_table(
|
|
cursor, table_name, replica_identity_full=False, template=postgres_table_template
|
|
):
|
|
drop_postgres_table(cursor, table_name)
|
|
cursor.execute(template.format(table_name))
|
|
if replica_identity_full:
|
|
cursor.execute(f"ALTER TABLE {table_name} REPLICA IDENTITY FULL;")
|
|
|
|
|
|
def drop_postgres_table(cursor, table_name):
|
|
cursor.execute(f"""DROP TABLE IF EXISTS "{table_name}" """)
|
|
|
|
|
|
def create_postgres_table_with_schema(cursor, schema_name, table_name):
|
|
drop_postgres_table_with_schema(cursor, schema_name, table_name)
|
|
cursor.execute(postgres_table_template_4.format(schema_name, table_name))
|
|
|
|
|
|
def drop_postgres_table_with_schema(cursor, schema_name, table_name):
|
|
cursor.execute(f"""DROP TABLE IF EXISTS "{schema_name}"."{table_name}" """)
|
|
|
|
|
|
class PostgresManager:
|
|
def __init__(self):
|
|
self.created_postgres_db_list = set()
|
|
self.created_materialized_postgres_db_list = set()
|
|
self.created_ch_postgres_db_list = set()
|
|
|
|
def init(self, instance, ip, port):
|
|
self.instance = instance
|
|
self.ip = ip
|
|
self.port = port
|
|
self.conn = get_postgres_conn(ip=self.ip, port=self.port)
|
|
self.prepare()
|
|
|
|
def restart(self):
|
|
try:
|
|
self.clear()
|
|
self.prepare()
|
|
except Exception as ex:
|
|
self.prepare()
|
|
raise ex
|
|
|
|
def prepare(self):
|
|
conn = get_postgres_conn(ip=self.ip, port=self.port)
|
|
cursor = conn.cursor()
|
|
self.create_postgres_db(cursor, "postgres_database")
|
|
self.create_clickhouse_postgres_db(ip=self.ip, port=self.port)
|
|
|
|
def clear(self):
|
|
if self.conn.closed == 0:
|
|
self.conn.close()
|
|
for db in self.created_materialized_postgres_db_list.copy():
|
|
self.drop_materialized_db(db)
|
|
for db in self.created_ch_postgres_db_list.copy():
|
|
self.drop_clickhouse_postgres_db(db)
|
|
if len(self.created_postgres_db_list) > 0:
|
|
conn = get_postgres_conn(ip=self.ip, port=self.port)
|
|
cursor = conn.cursor()
|
|
for db in self.created_postgres_db_list.copy():
|
|
self.drop_postgres_db(cursor, db)
|
|
|
|
def get_db_cursor(self):
|
|
self.conn = get_postgres_conn(ip=self.ip, port=self.port, database=True)
|
|
return self.conn.cursor()
|
|
|
|
def create_postgres_db(self, cursor, name="postgres_database"):
|
|
self.drop_postgres_db(cursor, name)
|
|
self.created_postgres_db_list.add(name)
|
|
cursor.execute(f"CREATE DATABASE {name}")
|
|
|
|
def drop_postgres_db(self, cursor, name="postgres_database"):
|
|
cursor.execute(f"DROP DATABASE IF EXISTS {name}")
|
|
if name in self.created_postgres_db_list:
|
|
self.created_postgres_db_list.remove(name)
|
|
|
|
def create_clickhouse_postgres_db(
|
|
self,
|
|
ip,
|
|
port,
|
|
name="postgres_database",
|
|
database_name="postgres_database",
|
|
schema_name="",
|
|
):
|
|
self.drop_clickhouse_postgres_db(name)
|
|
self.created_ch_postgres_db_list.add(name)
|
|
|
|
if len(schema_name) == 0:
|
|
self.instance.query(
|
|
f"""
|
|
CREATE DATABASE {name}
|
|
ENGINE = PostgreSQL('{ip}:{port}', '{database_name}', 'postgres', 'mysecretpassword')"""
|
|
)
|
|
else:
|
|
self.instance.query(
|
|
f"""
|
|
CREATE DATABASE {name}
|
|
ENGINE = PostgreSQL('{ip}:{port}', '{database_name}', 'postgres', 'mysecretpassword', '{schema_name}')"""
|
|
)
|
|
|
|
def drop_clickhouse_postgres_db(self, name="postgres_database"):
|
|
self.instance.query(f"DROP DATABASE IF EXISTS {name}")
|
|
if name in self.created_ch_postgres_db_list:
|
|
self.created_ch_postgres_db_list.remove(name)
|
|
|
|
def create_materialized_db(
|
|
self,
|
|
ip,
|
|
port,
|
|
materialized_database="test_database",
|
|
postgres_database="postgres_database",
|
|
settings=[],
|
|
table_overrides="",
|
|
):
|
|
self.created_materialized_postgres_db_list.add(materialized_database)
|
|
self.instance.query(f"DROP DATABASE IF EXISTS {materialized_database}")
|
|
|
|
create_query = f"CREATE DATABASE {materialized_database} ENGINE = MaterializedPostgreSQL('{ip}:{port}', '{postgres_database}', 'postgres', 'mysecretpassword')"
|
|
if len(settings) > 0:
|
|
create_query += " SETTINGS "
|
|
for i in range(len(settings)):
|
|
if i != 0:
|
|
create_query += ", "
|
|
create_query += settings[i]
|
|
create_query += table_overrides
|
|
self.instance.query(create_query)
|
|
assert materialized_database in self.instance.query("SHOW DATABASES")
|
|
|
|
def drop_materialized_db(self, materialized_database="test_database"):
|
|
self.instance.query(f"DROP DATABASE IF EXISTS {materialized_database} SYNC")
|
|
if materialized_database in self.created_materialized_postgres_db_list:
|
|
self.created_materialized_postgres_db_list.remove(materialized_database)
|
|
assert materialized_database not in self.instance.query("SHOW DATABASES")
|
|
|
|
def create_and_fill_postgres_table(self, table_name):
|
|
conn = get_postgres_conn(ip=self.ip, port=self.port, database=True)
|
|
cursor = conn.cursor()
|
|
self.create_and_fill_postgres_table_from_cursor(cursor, table_name)
|
|
|
|
def create_and_fill_postgres_table_from_cursor(self, cursor, table_name):
|
|
create_postgres_table(cursor, table_name)
|
|
self.instance.query(
|
|
f"INSERT INTO postgres_database.{table_name} SELECT number, number from numbers(50)"
|
|
)
|
|
|
|
def create_and_fill_postgres_tables(self, tables_num, numbers=50):
|
|
conn = get_postgres_conn(ip=self.ip, port=self.port, database=True)
|
|
cursor = conn.cursor()
|
|
self.create_and_fill_postgres_tables_from_cursor(
|
|
cursor, tables_num, numbers=numbers
|
|
)
|
|
|
|
def create_and_fill_postgres_tables_from_cursor(
|
|
self, cursor, tables_num, numbers=50
|
|
):
|
|
for i in range(tables_num):
|
|
table_name = f"postgresql_replica_{i}"
|
|
create_postgres_table(cursor, table_name)
|
|
if numbers > 0:
|
|
self.instance.query(
|
|
f"INSERT INTO postgres_database.{table_name} SELECT number, number from numbers({numbers})"
|
|
)
|
|
|
|
|
|
queries = [
|
|
"INSERT INTO postgresql_replica_{} select i, i from generate_series(0, 10000) as t(i);",
|
|
"DELETE FROM postgresql_replica_{} WHERE (value*value) % 3 = 0;",
|
|
"UPDATE postgresql_replica_{} SET value = value - 125 WHERE key % 2 = 0;",
|
|
"UPDATE postgresql_replica_{} SET key=key+20000 WHERE key%2=0",
|
|
"INSERT INTO postgresql_replica_{} select i, i from generate_series(40000, 50000) as t(i);",
|
|
"DELETE FROM postgresql_replica_{} WHERE key % 10 = 0;",
|
|
"UPDATE postgresql_replica_{} SET value = value + 101 WHERE key % 2 = 1;",
|
|
"UPDATE postgresql_replica_{} SET key=key+80000 WHERE key%2=1",
|
|
"DELETE FROM postgresql_replica_{} WHERE value % 2 = 0;",
|
|
"UPDATE postgresql_replica_{} SET value = value + 2000 WHERE key % 5 = 0;",
|
|
"INSERT INTO postgresql_replica_{} select i, i from generate_series(200000, 250000) as t(i);",
|
|
"DELETE FROM postgresql_replica_{} WHERE value % 3 = 0;",
|
|
"UPDATE postgresql_replica_{} SET value = value * 2 WHERE key % 3 = 0;",
|
|
"UPDATE postgresql_replica_{} SET key=key+500000 WHERE key%2=1",
|
|
"INSERT INTO postgresql_replica_{} select i, i from generate_series(1000000, 1050000) as t(i);",
|
|
"DELETE FROM postgresql_replica_{} WHERE value % 9 = 2;",
|
|
"UPDATE postgresql_replica_{} SET key=key+10000000",
|
|
"UPDATE postgresql_replica_{} SET value = value + 2 WHERE key % 3 = 1;",
|
|
"DELETE FROM postgresql_replica_{} WHERE value%5 = 0;",
|
|
]
|
|
|
|
|
|
def assert_nested_table_is_created(
|
|
instance, table_name, materialized_database="test_database", schema_name=""
|
|
):
|
|
if len(schema_name) == 0:
|
|
table = table_name
|
|
else:
|
|
table = schema_name + "." + table_name
|
|
|
|
print(f"Checking table {table} exists in {materialized_database}")
|
|
database_tables = instance.query(f"SHOW TABLES FROM {materialized_database}")
|
|
|
|
while table not in database_tables:
|
|
time.sleep(0.2)
|
|
database_tables = instance.query(f"SHOW TABLES FROM {materialized_database}")
|
|
|
|
assert table in database_tables
|
|
|
|
|
|
def assert_number_of_columns(
|
|
instance, expected, table_name, database_name="test_database"
|
|
):
|
|
result = instance.query(
|
|
f"select count() from system.columns where table = '{table_name}' and database = '{database_name}' and not startsWith(name, '_')"
|
|
)
|
|
while int(result) != expected:
|
|
time.sleep(1)
|
|
result = instance.query(
|
|
f"select count() from system.columns where table = '{table_name}' and database = '{database_name}' and not startsWith(name, '_')"
|
|
)
|
|
print("Number of columns ok")
|
|
|
|
|
|
def check_tables_are_synchronized(
|
|
instance,
|
|
table_name,
|
|
order_by="key",
|
|
postgres_database="postgres_database",
|
|
materialized_database="test_database",
|
|
schema_name="",
|
|
):
|
|
assert_nested_table_is_created(
|
|
instance, table_name, materialized_database, schema_name
|
|
)
|
|
|
|
table_path = ""
|
|
if len(schema_name) == 0:
|
|
table_path = f"{materialized_database}.{table_name}"
|
|
else:
|
|
table_path = f"{materialized_database}.`{schema_name}.{table_name}`"
|
|
|
|
print(f"Checking table is synchronized: {table_path}")
|
|
result_query = f"select * from {table_path} order by {order_by};"
|
|
|
|
expected = instance.query(
|
|
f"select * from {postgres_database}.{table_name} order by {order_by};"
|
|
)
|
|
result = instance.query(result_query)
|
|
|
|
for _ in range(50):
|
|
if result == expected:
|
|
break
|
|
else:
|
|
time.sleep(1)
|
|
result = instance.query(result_query)
|
|
|
|
assert result == expected
|
|
|
|
|
|
def check_several_tables_are_synchronized(
|
|
instance,
|
|
tables_num,
|
|
order_by="key",
|
|
postgres_database="postgres_database",
|
|
materialized_database="test_database",
|
|
schema_name="",
|
|
):
|
|
for i in range(tables_num):
|
|
check_tables_are_synchronized(instance, f"postgresql_replica_{i}")
|