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39 lines
1.1 KiB
SQL
39 lines
1.1 KiB
SQL
DROP TABLE IF EXISTS table_in_memory;
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CREATE TABLE table_in_memory
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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 table_in_memory SELECT intDiv(number, 10), number FROM numbers(30);
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SELECT count() FROM table_in_memory;
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SELECT name, part_type, rows, active from system.parts
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WHERE table='table_in_memory' AND database=currentDatabase();
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SELECT 'drop part 0';
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ALTER TABLE table_in_memory DROP PARTITION 0;
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SELECT count() FROM table_in_memory;
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SELECT name, part_type, rows, active from system.parts
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WHERE table='table_in_memory' AND database=currentDatabase() AND active;
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SELECT 'detach table';
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DETACH TABLE table_in_memory;
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SELECT name, part_type, rows, active from system.parts
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WHERE table='table_in_memory' AND database=currentDatabase();
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SELECT 'attach table';
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ATTACH TABLE table_in_memory;
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SELECT count() FROM table_in_memory;
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SELECT name, part_type, rows, active from system.parts
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WHERE table='table_in_memory' AND database=currentDatabase();
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