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40 lines
1.4 KiB
XML
40 lines
1.4 KiB
XML
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<test>
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<type>loop</type>
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<preconditions>
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<table_exists>hits_100m_single</table_exists>
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</preconditions>
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<stop_conditions>
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<all_of>
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<total_time_ms>60000</total_time_ms>
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<iterations>3</iterations>
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</all_of>
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<any_of>
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<iterations>30</iterations>
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</any_of>
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</stop_conditions>
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<settings>
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<max_threads>5</max_threads>
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</settings>
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<!-- Create four empty tables. We will test select from Merge table involving one real table and four empty tables.
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In previous ClickHouse versions, with max_threads = 5, only one stream will be requested from each table,
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and the query will be processed with just one thread.
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-->
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<create_query>CREATE TABLE merge_table_streams_1 AS hits_100m_single</create_query>
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<create_query>CREATE TABLE merge_table_streams_2 AS hits_100m_single</create_query>
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<create_query>CREATE TABLE merge_table_streams_3 AS hits_100m_single</create_query>
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<create_query>CREATE TABLE merge_table_streams_4 AS hits_100m_single</create_query>
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<query>SELECT UserID FROM merge(default, '^(hits_100m_single|merge_table_streams_\\d)$') WHERE UserID = 12345678901234567890</query>
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<drop_query>DROP TABLE merge_table_streams_1</drop_query>
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<drop_query>DROP TABLE merge_table_streams_2</drop_query>
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<drop_query>DROP TABLE merge_table_streams_3</drop_query>
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<drop_query>DROP TABLE merge_table_streams_4</drop_query>
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</test>
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