mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-16 04:32:33 +00:00
33 lines
1.0 KiB
XML
33 lines
1.0 KiB
XML
<test>
|
|
<settings>
|
|
<parallel_view_processing>1</parallel_view_processing>
|
|
</settings>
|
|
|
|
<create_query>
|
|
CREATE MATERIALIZED VIEW hits_mv ENGINE MergeTree
|
|
PARTITION BY toYYYYMM(EventDate)
|
|
ORDER BY (CounterID, EventDate, intHash32(UserID))
|
|
SAMPLE BY intHash32(UserID)
|
|
SETTINGS
|
|
parts_to_delay_insert = 5000,
|
|
parts_to_throw_insert = 5000
|
|
AS
|
|
-- don't select all columns to keep the run time down
|
|
SELECT CounterID, EventDate, UserID, Title
|
|
FROM hits_10m_single
|
|
-- do not select anything because we only need column types
|
|
LIMIT 0
|
|
</create_query>
|
|
<fill_query>SYSTEM STOP MERGES</fill_query>
|
|
|
|
<query>
|
|
INSERT INTO hits_mv
|
|
SELECT CounterID, EventDate, UserID, Title
|
|
FROM hits_10m_single
|
|
SETTINGS max_insert_threads=8
|
|
</query>
|
|
|
|
<drop_query>SYSTEM START MERGES</drop_query>
|
|
<drop_query>DROP TABLE IF EXISTS hits_mv</drop_query>
|
|
</test>
|