mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-14 10:22:10 +00:00
435 lines
15 KiB
Python
435 lines
15 KiB
Python
import time
|
|
|
|
import psycopg2
|
|
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))
|
|
"""
|
|
postgres_table_template_6 = """
|
|
CREATE TABLE IF NOT EXISTS "{}" (
|
|
key Integer NOT NULL, value Text, 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)
|
|
query = template.format(table_name)
|
|
|
|
print(f"Query: {query}")
|
|
cursor.execute(query)
|
|
|
|
if replica_identity_full:
|
|
cursor.execute(f"""ALTER TABLE "{table_name}" REPLICA IDENTITY FULL;""")
|
|
|
|
|
|
def drop_postgres_table(cursor, name, database_name=""):
|
|
if database_name != "":
|
|
cursor.execute(f"""DROP TABLE IF EXISTS "{database_name}"."{name}" """)
|
|
else:
|
|
cursor.execute(f"""DROP TABLE IF EXISTS "{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,
|
|
default_database="postgres_database",
|
|
postgres_db_exists=False,
|
|
):
|
|
self.instance = instance
|
|
self.ip = ip
|
|
self.port = port
|
|
self.default_database = default_database
|
|
self.postgres_db_exists = postgres_db_exists
|
|
self.prepare()
|
|
|
|
def get_default_database(self):
|
|
return self.default_database
|
|
|
|
def restart(self):
|
|
try:
|
|
self.clear()
|
|
self.prepare()
|
|
except Exception as ex:
|
|
self.prepare()
|
|
raise ex
|
|
|
|
def execute(self, query):
|
|
return self.cursor.execute(query)
|
|
|
|
def prepare(self):
|
|
self.conn = get_postgres_conn(ip=self.ip, port=self.port)
|
|
self.cursor = self.conn.cursor()
|
|
if self.default_database != "":
|
|
if not self.postgres_db_exists:
|
|
self.create_postgres_db(self.default_database)
|
|
self.conn = get_postgres_conn(
|
|
ip=self.ip,
|
|
port=self.port,
|
|
database=True,
|
|
database_name=self.default_database,
|
|
)
|
|
self.cursor = self.conn.cursor()
|
|
self.create_clickhouse_postgres_db()
|
|
|
|
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:
|
|
self.conn = get_postgres_conn(ip=self.ip, port=self.port)
|
|
self.cursor = self.conn.cursor()
|
|
for db in self.created_postgres_db_list.copy():
|
|
self.drop_postgres_db(db)
|
|
|
|
def get_db_cursor(self, database_name=""):
|
|
if database_name == "":
|
|
database_name = self.default_database
|
|
self.conn = get_postgres_conn(
|
|
ip=self.ip, port=self.port, database=True, database_name=database_name
|
|
)
|
|
return self.conn.cursor()
|
|
|
|
def database_or_default(self, database_name):
|
|
if database_name != "":
|
|
return database_name
|
|
if self.default_database != "":
|
|
return self.default_database
|
|
raise Exception("Database name is empty")
|
|
|
|
def create_postgres_db(self, database_name=""):
|
|
database_name = self.database_or_default(database_name)
|
|
self.drop_postgres_db(database_name)
|
|
self.created_postgres_db_list.add(database_name)
|
|
self.cursor.execute(f'CREATE DATABASE "{database_name}"')
|
|
|
|
def drop_postgres_db(self, database_name=""):
|
|
database_name = self.database_or_default(database_name)
|
|
self.cursor.execute(f'DROP DATABASE IF EXISTS "{database_name}" WITH (FORCE)')
|
|
if database_name in self.created_postgres_db_list:
|
|
self.created_postgres_db_list.remove(database_name)
|
|
|
|
def create_clickhouse_postgres_db(
|
|
self,
|
|
database_name="",
|
|
schema_name="",
|
|
postgres_database="",
|
|
):
|
|
database_name = self.database_or_default(database_name)
|
|
if postgres_database == "":
|
|
postgres_database = database_name
|
|
self.drop_clickhouse_postgres_db(database_name)
|
|
self.created_ch_postgres_db_list.add(database_name)
|
|
|
|
if len(schema_name) == 0:
|
|
self.instance.query(
|
|
f"""
|
|
CREATE DATABASE \"{database_name}\"
|
|
ENGINE = PostgreSQL('{self.ip}:{self.port}', '{postgres_database}', 'postgres', 'mysecretpassword')"""
|
|
)
|
|
else:
|
|
self.instance.query(
|
|
f"""
|
|
CREATE DATABASE \"{database_name}\"
|
|
ENGINE = PostgreSQL('{self.ip}:{self.port}', '{postgres_database}', 'postgres', 'mysecretpassword', '{schema_name}')"""
|
|
)
|
|
|
|
def drop_clickhouse_postgres_db(self, database_name=""):
|
|
database_name = self.database_or_default(database_name)
|
|
self.instance.query(f'DROP DATABASE IF EXISTS "{database_name}"')
|
|
if database_name in self.created_ch_postgres_db_list:
|
|
self.created_ch_postgres_db_list.remove(database_name)
|
|
|
|
def create_materialized_db(
|
|
self,
|
|
ip,
|
|
port,
|
|
materialized_database="test_database",
|
|
postgres_database="",
|
|
settings=[],
|
|
table_overrides="",
|
|
user="postgres",
|
|
password="mysecretpassword",
|
|
):
|
|
postgres_database = self.database_or_default(postgres_database)
|
|
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}', '{user}', '{password}')"
|
|
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)
|
|
|
|
def create_postgres_schema(self, name):
|
|
create_postgres_schema(self.cursor, name)
|
|
|
|
def create_postgres_table(
|
|
self, table_name, database_name="", template=postgres_table_template
|
|
):
|
|
database_name = self.database_or_default(database_name)
|
|
cursor = self.cursor
|
|
if database_name != self.get_default_database:
|
|
try:
|
|
self.create_postgres_db(database_name)
|
|
except:
|
|
# postgres does not support create database if not exists
|
|
pass
|
|
conn = get_postgres_conn(
|
|
ip=self.ip,
|
|
port=self.port,
|
|
database=True,
|
|
database_name=database_name,
|
|
)
|
|
cursor = conn.cursor()
|
|
create_postgres_table(cursor, table_name, template=template)
|
|
|
|
def create_and_fill_postgres_table(self, table_name, database_name=""):
|
|
database_name = self.database_or_default(database_name)
|
|
self.create_postgres_table(table_name, database_name)
|
|
self.instance.query(
|
|
f"INSERT INTO `{database_name}`.`{table_name}` SELECT number, number from numbers(50)"
|
|
)
|
|
|
|
def create_and_fill_postgres_tables(
|
|
self,
|
|
tables_num,
|
|
numbers=50,
|
|
database_name="",
|
|
table_name_base="postgresql_replica",
|
|
):
|
|
for i in range(tables_num):
|
|
table_name = f"{table_name_base}_{i}"
|
|
self.create_postgres_table(table_name, database_name)
|
|
if numbers > 0:
|
|
db = self.database_or_default(database_name)
|
|
self.instance.query(
|
|
f"INSERT INTO `{db}`.{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}")
|
|
|
|
# Check based on `system.tables` is not enough, because tables appear there before they are loaded.
|
|
# It may lead to error `Unknown table expression identifier...`
|
|
while True:
|
|
try:
|
|
instance.query(f"SELECT * FROM `{materialized_database}`.`{table}` LIMIT 1 FORMAT Null")
|
|
break
|
|
except Exception:
|
|
time.sleep(0.2)
|
|
continue
|
|
|
|
database_tables = instance.query(
|
|
f"SHOW TABLES FROM `{materialized_database}` WHERE name = '{table}'"
|
|
)
|
|
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="",
|
|
columns=["*"],
|
|
):
|
|
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 {','.join(columns)} 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)
|
|
|
|
if result != expected:
|
|
count = int(instance.query(f"select count() from {table_path}"))
|
|
expected_count = int(
|
|
instance.query(f"select count() from `{postgres_database}`.`{table_name}`")
|
|
)
|
|
print(f"Having {count}, expected {expected_count}")
|
|
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}",
|
|
postgres_database=postgres_database,
|
|
materialized_database=materialized_database,
|
|
)
|