ClickHouse/tests/performance/uniq_stored.xml
Raúl Marín 6dac509739
Speed up reading uniqState (#41089)
* Speed up reading UniquesHashSet

* Improve uniq serialization tests
2022-09-15 23:41:15 +02:00

59 lines
1.8 KiB
XML

<test>
<create_query>
create table matview_1
(
a String,
b_count AggregateFunction(uniq, UInt64)
) Engine=MergeTree partition by tuple()
ORDER by tuple()
SETTINGS index_granularity = 1024;
</create_query>
<create_query>
create table matview_10000
(
a String,
b_count AggregateFunction(uniq, String)
) Engine=MergeTree partition by tuple()
ORDER by tuple()
SETTINGS index_granularity = 1024;
</create_query>
<drop_query>DROP TABLE IF EXISTS matview_1</drop_query>
<drop_query>DROP TABLE IF EXISTS matview_10000</drop_query>
<fill_query>
INSERT INTO matview_10000
SELECT a, uniqState(b) b_count
FROM
(
SELECT toString(rand() % 1000) a, toString(number % 10000) b
FROM numbers_mt(20000000)
)
GROUP BY a
SETTINGS max_insert_threads=8;
</fill_query>
<fill_query>OPTIMIZE TABLE matview_10000 FINAL</fill_query>
<fill_query>
INSERT INTO matview_1
SELECT '1', uniqState(number) b_count
FROM
(
SELECT *
FROM numbers_mt(2000000)
)
GROUP BY number
SETTINGS max_insert_threads=8;
</fill_query>
<fill_query>OPTIMIZE TABLE matview_1 FINAL</fill_query>
<!-- Test with ~10000 elements per state -->
<query>select a, uniqMerge(b_count) as b_count from matview_10000 prewhere a='55' group by a FORMAT Null SETTINGS max_threads=1;</query>
<query>select uniqMerge(b_count) as b_count from matview_10000 FORMAT Null SETTINGS max_threads=1;</query>
<!-- Test with ~1 elements per state -->
<query>select uniqMerge(b_count) as b_count FROM matview_1 FORMAT Null SETTINGS max_threads=1;</query>
</test>