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17 lines
510 B
SQL
17 lines
510 B
SQL
DROP TABLE IF EXISTS sorted;
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CREATE TABLE sorted (d Date DEFAULT '2000-01-01', x UInt64) ENGINE = MergeTree(d, x, 8192);
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INSERT INTO sorted (x) SELECT intDiv(number, 100000) AS x FROM system.numbers LIMIT 1000000;
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SET max_threads = 1;
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SELECT count() FROM sorted;
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SELECT DISTINCT x FROM sorted;
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INSERT INTO sorted (x) SELECT (intHash64(number) % 1000 = 0 ? 999 : intDiv(number, 100000)) AS x FROM system.numbers LIMIT 1000000;
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SELECT count() FROM sorted;
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SELECT DISTINCT x FROM sorted;
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DROP TABLE sorted;
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