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33 lines
1.0 KiB
XML
33 lines
1.0 KiB
XML
<test>
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<preconditions>
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<table_exists>hits_10m_single</table_exists>
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</preconditions>
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<create_query>
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CREATE MATERIALIZED VIEW hits_mv ENGINE MergeTree
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PARTITION BY toYYYYMM(EventDate)
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ORDER BY (CounterID, EventDate, intHash32(UserID))
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SAMPLE BY intHash32(UserID)
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SETTINGS
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parts_to_delay_insert = 5000,
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parts_to_throw_insert = 5000
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AS
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-- don't select all columns to keep the run time down
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SELECT CounterID, EventDate, UserID, Title
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FROM hits_10m_single
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-- do not select anything because we only need column types
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LIMIT 0
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</create_query>
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<fill_query>SET max_insert_threads=8</fill_query>
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<fill_query>SYSTEM STOP MERGES</fill_query>
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<query>
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INSERT INTO hits_mv
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SELECT CounterID, EventDate, UserID, Title
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FROM hits_10m_single
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</query>
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<drop_query>SYSTEM START MERGES</drop_query>
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<drop_query>DROP TABLE IF EXISTS hits_mv</drop_query>
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</test>
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