mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-22 15:42:02 +00:00
089a0009ad
+ try to stabilize distinct in order perf test
28 lines
1.7 KiB
XML
28 lines
1.7 KiB
XML
<test>
|
|
<!-- high cardinality -->
|
|
<create_query>CREATE TABLE distinct_cardinality_high (high UInt64, medium UInt64, low UInt64) ENGINE MergeTree() ORDER BY (high, medium)</create_query>
|
|
<fill_query>INSERT INTO distinct_cardinality_high SELECT number % 1e6, number % 1e4, number % 1e2 FROM numbers_mt(1e8)</fill_query>
|
|
<fill_query>OPTIMIZE TABLE distinct_cardinality_high FINAL</fill_query>
|
|
|
|
<query>SELECT DISTINCT high FROM distinct_cardinality_high FORMAT Null</query>
|
|
<query>SELECT DISTINCT high, medium FROM distinct_cardinality_high FORMAT Null</query>
|
|
|
|
<query>SELECT DISTINCT high, medium FROM distinct_cardinality_high ORDER BY high, medium FORMAT Null</query>
|
|
<query>SELECT DISTINCT high, medium FROM distinct_cardinality_high ORDER BY high FORMAT Null</query>
|
|
|
|
<drop_query>DROP TABLE IF EXISTS distinct_cardinality_high</drop_query>
|
|
|
|
<!-- low cardinality -->
|
|
<create_query>CREATE TABLE distinct_cardinality_low (low UInt64, medium UInt64, high UInt64) ENGINE MergeTree() ORDER BY (low, medium)</create_query>
|
|
<fill_query>INSERT INTO distinct_cardinality_low SELECT number % 1e2, number % 1e4, number % 1e6 FROM numbers_mt(1e8)</fill_query>
|
|
<fill_query>OPTIMIZE TABLE distinct_cardinality_low FINAL</fill_query>
|
|
|
|
<query>SELECT DISTINCT low FROM distinct_cardinality_low FORMAT Null</query>
|
|
<query>SELECT DISTINCT low, medium FROM distinct_cardinality_low FORMAT Null</query>
|
|
|
|
<query>SELECT DISTINCT low, medium FROM distinct_cardinality_low ORDER BY low, medium FORMAT Null</query>
|
|
<query>SELECT DISTINCT low, medium FROM distinct_cardinality_low ORDER BY low FORMAT Null</query>
|
|
|
|
<drop_query>DROP TABLE IF EXISTS distinct_cardinality_low</drop_query>
|
|
</test>
|