ClickHouse/dbms/tests/queries/0_stateless/01091_num_threads.sql

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set log_queries=1;
set log_query_threads=1;
SELECT 1;
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SYSTEM FLUSH LOGS;
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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);
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SYSTEM FLUSH LOGS;
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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);
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SYSTEM FLUSH LOGS;
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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);