ClickHouse/tests/queries/0_stateless/02483_elapsed_time.sh
2024-08-05 15:29:14 +00:00

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#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# shellcheck source=../shell_config.sh
. "$CURDIR"/../shell_config.sh
# The following query fails during query interpretation so it throws an ExceptionBeforeStart
EXCEPTION_BEFORE_START_QUERY="WITH
(
SELECT sleepEachRow(1)
) AS sub
SELECT *
FROM
(
SELECT *
FROM system.numbers
WHERE number IN (sub)
)
SETTINGS enable_global_with_statement = 0, enable_analyzer = 1"
# For this query the system.query_log needs to show ExceptionBeforeStart and elapsed seconds <= 1.0
QUERY_ID="${CLICKHOUSE_DATABASE}_$(date +%s)_02883_q1"
${CLICKHOUSE_CLIENT} -m --query "$EXCEPTION_BEFORE_START_QUERY" --query_id="$QUERY_ID" >/dev/null 2>&1
${CLICKHOUSE_CLIENT} --query "SYSTEM FLUSH LOGS"
${CLICKHOUSE_CLIENT} --query "SELECT type == 'ExceptionBeforeStart' as expected_type, query_duration_ms <= 1000 as elapsed_more_than_one_second FROM system.query_log WHERE current_database = '$CLICKHOUSE_DATABASE' AND query_id='$QUERY_ID'"
# Now we test with a query that will take 1+ seconds. The CLI should show that as part of the output format
OK_QUERY_JSON="
WITH (
SELECT sleepEachRow(1.0)
) AS sub
SELECT *, sub
FROM
(
SELECT *
FROM system.one
)
FORMAT JSON
SETTINGS enable_global_with_statement = 1"
QUERY_ID_2="${CLICKHOUSE_DATABASE}_$(date +%s)_02883_q2"
${CLICKHOUSE_CLIENT} --query "$OK_QUERY_JSON" --query_id="${QUERY_ID_2}" | grep elapsed | awk '{ if($2 >= 1.0) { print "Greater (Ok)" } else { print "Smaller than expected: " $2 } }'
OK_QUERY_XML="
WITH (
SELECT sleepEachRow(1.0)
) AS sub
SELECT *
FROM
(
SELECT *, sub
FROM system.one
)
FORMAT XML
SETTINGS enable_global_with_statement = 1"
QUERY_ID_3="${CLICKHOUSE_DATABASE}_$(date +%s)_02883_q3"
${CLICKHOUSE_CLIENT} --query "$OK_QUERY_XML" --query_id="${QUERY_ID_3}" | grep elapsed | awk -F '[<>]' '{ if($3 >= 1.0) { print "Greater (Ok)" } else { print "Smaller than expected: " $3 } }'
${CLICKHOUSE_CLIENT} --query "SYSTEM FLUSH LOGS"
${CLICKHOUSE_CLIENT} --query "
SELECT
type,
query_duration_ms >= 1000 as elapsed_more_than_one_second,
(toDecimal64(event_time_microseconds, 6) - toDecimal64(query_start_time_microseconds, 6)) > 1.0 AS end_minus_start_more_than_a_second
FROM system.query_log
WHERE type='QueryFinish' AND (query_id='$QUERY_ID_2' OR query_id='${QUERY_ID_3}')
FORMAT Vertical"