mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-10 01:25:21 +00:00
64 lines
1.7 KiB
Python
Executable File
64 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
import subprocess
|
|
import threading
|
|
import queue as queue
|
|
import os
|
|
import sys
|
|
|
|
|
|
CLICKHOUSE_CLIENT = os.environ.get('CLICKHOUSE_CLIENT')
|
|
CLICKHOUSE_CURL = os.environ.get('CLICKHOUSE_CURL')
|
|
CLICKHOUSE_URL = os.environ.get('CLICKHOUSE_URL')
|
|
|
|
|
|
def send_query(query):
|
|
cmd = list(CLICKHOUSE_CLIENT.split())
|
|
cmd += ['--query', query]
|
|
# print(cmd)
|
|
return subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT).stdout
|
|
|
|
|
|
def send_http_query(query):
|
|
cmd = list(CLICKHOUSE_CURL.split()) # list(['curl', '-sSN', '--max-time', '10'])
|
|
cmd += ['-sSN', CLICKHOUSE_URL, '-d', query]
|
|
return subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT).stdout
|
|
|
|
|
|
def read_lines_and_push_to_queue(pipe, queue):
|
|
for line in iter(pipe.readline, ''):
|
|
line = line.strip()
|
|
print(line)
|
|
sys.stdout.flush()
|
|
queue.put(line)
|
|
|
|
queue.put(None)
|
|
|
|
|
|
def test():
|
|
send_query('DROP TABLE IF EXISTS test.lv').read()
|
|
send_query('DROP TABLE IF EXISTS test.mt').read()
|
|
send_query('CREATE TABLE test.mt (a Int32) Engine=MergeTree order by tuple()').read()
|
|
send_query('CREATE LIVE VIEW test.lv AS SELECT sum(a) FROM test.mt').read()
|
|
|
|
q = queue.Queue()
|
|
pipe = send_http_query('WATCH test.lv')
|
|
thread = threading.Thread(target=read_lines_and_push_to_queue, args=(pipe, q))
|
|
thread.start()
|
|
|
|
line = q.get()
|
|
print(line)
|
|
assert (line == '0\t1')
|
|
|
|
send_query('INSERT INTO test.mt VALUES (1),(2),(3)').read()
|
|
line = q.get()
|
|
print(line)
|
|
assert (line == '6\t2')
|
|
|
|
send_query('DROP TABLE if exists test.lv').read()
|
|
send_query('DROP TABLE if exists test.lv').read()
|
|
|
|
thread.join()
|
|
|
|
test()
|