mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-05 23:31:24 +00:00
30 lines
1.1 KiB
XML
30 lines
1.1 KiB
XML
|
<test>
|
||
|
|
|
||
|
|
<preconditions>
|
||
|
|
<table_exists>hits_100m_single</table_exists>
|
||
|
|
</preconditions>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<settings>
|
||
|
|
<max_threads>5</max_threads>
|
||
|
|
</settings>
|
||
|
|
|
||
|
|
<!-- Create four empty tables. We will test select from Merge table involving one real table and four empty tables.
|
||
|
|
In previous ClickHouse versions, with max_threads = 5, only one stream will be requested from each table,
|
||
|
|
and the query will be processed with just one thread.
|
||
|
|
-->
|
||
|
|
<create_query>CREATE TABLE merge_table_streams_1 AS hits_100m_single</create_query>
|
||
|
|
<create_query>CREATE TABLE merge_table_streams_2 AS hits_100m_single</create_query>
|
||
|
|
<create_query>CREATE TABLE merge_table_streams_3 AS hits_100m_single</create_query>
|
||
|
|
<create_query>CREATE TABLE merge_table_streams_4 AS hits_100m_single</create_query>
|
||
|
|
|
||
|
|
<query>SELECT UserID FROM merge(default, '^(hits_100m_single|merge_table_streams_\\d)$') WHERE UserID = 12345678901234567890</query>
|
||
|
|
|
||
|
|
<drop_query>DROP TABLE merge_table_streams_1</drop_query>
|
||
|
|
<drop_query>DROP TABLE merge_table_streams_2</drop_query>
|
||
|
|
<drop_query>DROP TABLE merge_table_streams_3</drop_query>
|
||
|
|
<drop_query>DROP TABLE merge_table_streams_4</drop_query>
|
||
|
|
|
||
|
|
</test>
|