ClickHouse/tests/queries/0_stateless/02210_processors_profile_log.reference

39 lines
1.2 KiB
Plaintext
Raw Normal View History

-- { echo }
EXPLAIN PIPELINE SELECT sleep(1);
(Expression)
ExpressionTransform
(SettingQuotaAndLimits)
(ReadFromStorage)
SourceFromSingleChunk 0 → 1
SELECT sleep(1) SETTINGS log_processors_profiles=true, log_queries=1, log_queries_min_type='QUERY_FINISH';
0
SYSTEM FLUSH LOGS;
WITH
(
SELECT query_id
FROM system.query_log
WHERE current_database = currentDatabase() AND Settings['log_processors_profiles']='1'
) AS query_id_
SELECT
name,
multiIf(
-- ExpressionTransform executes sleep(),
-- so IProcessor::work() will spend 1 sec.
name = 'ExpressionTransform', elapsed_us>1e6,
-- SourceFromSingleChunk, that feed data to ExpressionTransform,
-- will feed first block and then wait in PortFull.
name = 'SourceFromSingleChunk', output_wait_elapsed_us>1e6,
-- NullSource/LazyOutputFormatLazyOutputFormat are the outputs
-- so they cannot starts to execute before sleep(1) will be executed.
input_wait_elapsed_us>1e6)
elapsed
FROM system.processors_profile_log
WHERE query_id = query_id_
ORDER BY name;
ExpressionTransform 1
LazyOutputFormat 1
LimitsCheckingTransform 1
NullSource 1
NullSource 1
SourceFromSingleChunk 1