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20 lines
508 B
MySQL
20 lines
508 B
MySQL
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DROP TABLE IF EXISTS mt;
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CREATE TABLE mt (x UInt64) ENGINE = MergeTree ORDER BY x SETTINGS max_part_loading_threads = 16, parts_to_delay_insert = 100000, parts_to_throw_insert = 100000;
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SYSTEM STOP MERGES;
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SET max_block_size = 1, min_insert_block_size_rows = 0, min_insert_block_size_bytes = 0;
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INSERT INTO mt SELECT * FROM numbers(1000);
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SET max_block_size = 65536;
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SELECT count(), sum(x) FROM mt;
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DETACH TABLE mt;
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ATTACH TABLE mt;
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SELECT count(), sum(x) FROM mt;
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SYSTEM START MERGES;
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DROP TABLE mt;
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