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11 lines
887 B
SQL
11 lines
887 B
SQL
DROP TABLE IF EXISTS test.arena;
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CREATE TABLE test.arena (k UInt8, d String) ENGINE = Memory;
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INSERT INTO test.arena SELECT number % 10 AS k, hex(intDiv(number, 10) % 1000) AS d FROM system.numbers LIMIT 10000000;
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SELECT length(groupUniqArrayIf(d, d != hex(0))) FROM test.arena GROUP BY k;
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SELECT length(groupUniqArrayMerge(ds)) FROM (SELECT k, groupUniqArrayState(d) AS ds FROM test.arena GROUP BY k) GROUP BY k;
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DROP TABLE IF EXISTS test.arena;
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SELECT length(arrayReduce('groupUniqArray', [[1, 2], [1], emptyArrayUInt8(), [1], [1, 2]]));
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SELECT min(x), max(x) FROM (SELECT length(arrayReduce('groupUniqArray', [hex(number), hex(number+1), hex(number)])) AS x FROM system.numbers LIMIT 100000);
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SELECT sum(length(runningAccumulate(x))) FROM (SELECT groupUniqArrayState(toString(number % 10)) AS x, number FROM (SELECT * FROM system.numbers LIMIT 11) GROUP BY number ORDER BY number);
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