mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-30 11:32:03 +00:00
35 lines
850 B
XML
35 lines
850 B
XML
<test>
|
|
|
|
<create_query>
|
|
CREATE TABLE lwd_test (
|
|
id UInt64,
|
|
value String,
|
|
) ENGINE=MergeTree() ORDER BY id;
|
|
</create_query>
|
|
|
|
<!-- Fill the table with relatively big values -->
|
|
<fill_query>
|
|
INSERT INTO lwd_test SELECT number, randomString(100) FROM system.numbers LIMIT 10000000;
|
|
</fill_query>
|
|
|
|
<fill_query>
|
|
OPTIMIZE TABLE lwd_test FINAL;
|
|
</fill_query>
|
|
|
|
<settings>
|
|
<max_threads>1</max_threads>
|
|
<mutations_sync>1</mutations_sync>
|
|
</settings>
|
|
|
|
<!-- delete most of the rows -->
|
|
<fill_query>
|
|
DELETE FROM lwd_test WHERE id < 9999999;
|
|
</fill_query>
|
|
|
|
<!-- get the first remaining row -->
|
|
<query>SELECT id, length(value) FROM lwd_test ORDER BY id LIMIT 1</query>
|
|
|
|
<drop_query>DROP TABLE lwd_test</drop_query>
|
|
|
|
</test>
|