mirror of
https://github.com/ClickHouse/ClickHouse.git
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41 lines
922 B
MySQL
41 lines
922 B
MySQL
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DROP TABLE IF EXISTS tt;
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CREATE TABLE tt
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(
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`id` UInt64,
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`value` UInt64
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)
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ENGINE = MergeTree
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PARTITION BY id
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ORDER BY value
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SETTINGS min_bytes_for_wide_part=1000, min_bytes_for_compact_part=900;
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SELECT 'init state';
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INSERT INTO tt SELECT intDiv(number, 10), number FROM numbers(30);
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SELECT count() FROM tt;
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SELECT name, part_type, rows active from system.parts
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WHERE table='tt' AND database=currentDatabase();
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SELECT 'drop part 0';
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ALTER TABLE tt DROP PARTITION 0;
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SELECT count() FROM tt;
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SELECT name, part_type, rows active from system.parts
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WHERE table='tt' AND database=currentDatabase();
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SELECT 'detach table';
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DETACH TABLE tt;
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SELECT name, part_type, rows active from system.parts
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WHERE table='tt' AND database=currentDatabase();
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SELECT 'attach table';
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ATTACH TABLE tt;
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SELECT count() FROM tt;
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SELECT name, part_type, rows active from system.parts
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WHERE table='tt' AND database=currentDatabase();
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