ClickHouse/dbms/tests/queries/0_stateless/01091_num_threads.sql
Nikolai Kochetov 4f5a2ee6d1 Added test.
2020-03-03 16:55:40 +03:00

48 lines
1.3 KiB
SQL

set log_queries=1;
set log_query_threads=1;
SELECT 1;
SYSTEM FLUSH LOGS;
WITH
(
SELECT query_id
FROM system.query_log
WHERE (query = 'SELECT 1') AND (event_date >= (today() - 1))
ORDER BY event_time DESC
LIMIT 1
) AS id
SELECT uniqExact(thread_id)
FROM system.query_thread_log
WHERE (event_date >= (today() - 1)) AND (query_id = id) AND (thread_id != master_thread_id);
select sum(number) from numbers(1000000);
SYSTEM FLUSH LOGS;
WITH
(
SELECT query_id
FROM system.query_log
WHERE (query = 'SELECT sum(number) FROM numbers(1000000)') AND (event_date >= (today() - 1))
ORDER BY event_time DESC
LIMIT 1
) AS id
SELECT uniqExact(thread_id)
FROM system.query_thread_log
WHERE (event_date >= (today() - 1)) AND (query_id = id) AND (thread_id != master_thread_id);
select sum(number) from numbers_mt(1000000);
SYSTEM FLUSH LOGS;
WITH
(
SELECT query_id
FROM system.query_log
WHERE (query = 'SELECT sum(number) FROM numbers_mt(1000000)') AND (event_date >= (today() - 1))
ORDER BY event_time DESC
LIMIT 1
) AS id
SELECT uniqExact(thread_id) > 2
FROM system.query_thread_log
WHERE (event_date >= (today() - 1)) AND (query_id = id) AND (thread_id != master_thread_id);