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23 lines
976 B
SQL
23 lines
976 B
SQL
DROP TABLE IF EXISTS aggregates;
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CREATE TABLE aggregates (d Date, s AggregateFunction(uniq, UInt64)) ENGINE = MergeTree(d, d, 8192);
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INSERT INTO aggregates
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SELECT toDate('2016-10-31') AS d, uniqState(toUInt64(arrayJoin(range(100)))) AS s
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UNION ALL
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SELECT toDate('2016-11-01') AS d, uniqState(toUInt64(arrayJoin(range(100)))) AS s;
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INSERT INTO aggregates SELECT toDate('2016-10-31') + number AS d, uniqState(toUInt64(arrayJoin(range(100)))) AS s FROM (SELECT * FROM system.numbers LIMIT 2) GROUP BY d;
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SELECT d, uniqMerge(s) FROM aggregates GROUP BY d ORDER BY d;
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INSERT INTO aggregates
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SELECT toDate('2016-12-01') AS d, uniqState(toUInt64(arrayJoin(range(100)))) AS s
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UNION ALL
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SELECT toDate('2016-12-02') AS d, uniqState(toUInt64(arrayJoin(range(100)))) AS s
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UNION ALL
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SELECT toDate('2016-12-03') AS d, uniqState(toUInt64(arrayJoin(range(100)))) AS s;
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SELECT d, uniqMerge(s) FROM aggregates GROUP BY d ORDER BY d;
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DROP TABLE aggregates;
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