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pip install clickhouse_driver
纯客户端示例:
# -*- coding: utf-8 -*-
from clickhouse_driver import Client
client = Client('localhost')
client.execute('SHOW TABLES')
client.execute('DROP TABLE IF EXISTS test')
client.execute('CREATE TABLE test (x Int32) ENGINE = Memory')
client.execute(
'INSERT INTO test (x) VALUES',
[{'x': 100}]
)
client.execute('INSERT INTO test (x) VALUES', [[200]])
client.execute(
'INSERT INTO test (x) '
'SELECT * FROM system.numbers LIMIT %(limit)s',
{'limit': 3}
)
client.execute('SELECT sum(x) FROM test')
使用数据库API:
from clickhouse_driver import connect
conn = connect('clickhouse://localhost')
cursor = conn.cursor()
cursor.execute('SHOW TABLES')
cursor.fetchall()
cursor.execute('DROP TABLE IF EXISTS test')
cursor.fetchall()
cursor.execute('CREATE TABLE test (x Int32) ENGINE = Memory')
cursor.fetchall()
cursor.executemany(
'INSERT INTO test (x) VALUES',
[{'x': 100}]
)
cursor.rowcount
cursor.executemany('INSERT INTO test (x) VALUES', [[200]])
cursor.rowcount
cursor.execute(
'INSERT INTO test (x) '
'SELECT * FROM system.numbers LIMIT %(limit)s',
{'limit': 3}
)
cursor.rowcount
cursor.execute('SELECT sum(x) FROM test')
cursor.fetchall()
参考文档:
https://pypi.org/project/clickhouse-driver/
https://github.com/mymarilyn/clickhouse-driver
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