This commit is contained in:
Nikita Taranov 2024-11-11 22:45:39 +01:00
parent b05d3ed6df
commit bd71442ea2
2 changed files with 98 additions and 0 deletions

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#!/usr/bin/env bash
set -e
CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CUR_DIR"/../shell_config.sh
$CLICKHOUSE_CLIENT -q "
CREATE TABLE t
(
a UInt32,
b UInt32
)
ENGINE = MergeTree
ORDER BY (a, b);
INSERT INTO t SELECT number, number FROM numbers(1000);
"
query_id="03270_processors_profile_log_3_$RANDOM"
$CLICKHOUSE_CLIENT --query_id="$query_id" -q "
SET log_processors_profiles = 1;
WITH
t0 AS
(
SELECT *
FROM numbers(1000)
),
t1 AS
(
SELECT number * 3 AS b
FROM t0
)
SELECT b * 3
FROM t
WHERE a IN (t1)
FORMAT Null;
"
$CLICKHOUSE_CLIENT --query_id="$query_id" -q "
SYSTEM FLUSH LOGS;
SELECT sum(elapsed_us) > 0
FROM system.processors_profile_log
WHERE event_date >= yesterday() AND query_id = '$query_id' AND name = 'CreatingSetsTransform';
"
#####################################################################
$CLICKHOUSE_CLIENT -q "
CREATE TABLE t1
(
st FixedString(54)
)
ENGINE = MergeTree
ORDER BY tuple();
INSERT INTO t1 VALUES
('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRTUVWXYZ'),
('\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0'),
('IIIIIIIIII\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0');
"
query_id="03270_processors_profile_log_3_$RANDOM"
$CLICKHOUSE_CLIENT --query_id="$query_id" -q "
SET log_processors_profiles = 1;
SET max_threads=2; -- no merging when max_threads=1
WITH
(
SELECT groupConcat(',')(st)
FROM t1
ORDER BY ALL
) AS a,
(
SELECT groupConcat(',')(CAST(st, 'String'))
FROM t1
ORDER BY ALL
) AS b
SELECT a = b
FORMAT Null;
"
$CLICKHOUSE_CLIENT --query_id="$query_id" -q "
SYSTEM FLUSH LOGS;
SELECT sum(elapsed_us) > 0
FROM system.processors_profile_log
WHERE event_date >= yesterday() AND query_id = '$query_id' AND name = 'MergingSortedTransform';
"