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46 lines
1.1 KiB
MySQL
46 lines
1.1 KiB
MySQL
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DROP TABLE IF EXISTS test.stored_aggregates;
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CREATE TABLE test.stored_aggregates
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(
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d Date,
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Uniq AggregateFunction(uniq, UInt64)
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)
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ENGINE = AggregatingMergeTree(d, d, 8192);
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INSERT INTO test.stored_aggregates
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SELECT
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toDate(toUInt16(toDate('2014-06-01')) + intDiv(number, 100)) AS d,
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uniqState(intDiv(number, 10)) AS Uniq
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FROM
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(
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SELECT * FROM system.numbers LIMIT 1000
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)
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GROUP BY d;
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SELECT uniqMerge(Uniq) FROM test.stored_aggregates;
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SELECT d, uniqMerge(Uniq) FROM test.stored_aggregates GROUP BY d ORDER BY d;
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INSERT INTO test.stored_aggregates
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SELECT
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toDate(toUInt16(toDate('2014-06-01')) + intDiv(number, 100)) AS d,
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uniqState(intDiv(number + 50, 10)) AS Uniq
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FROM
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(
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SELECT * FROM system.numbers LIMIT 500, 1000
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)
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GROUP BY d;
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SELECT uniqMerge(Uniq) FROM test.stored_aggregates;
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SELECT d, uniqMerge(Uniq) FROM test.stored_aggregates GROUP BY d ORDER BY d;
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OPTIMIZE TABLE test.stored_aggregates;
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SELECT uniqMerge(Uniq) FROM test.stored_aggregates;
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SELECT d, uniqMerge(Uniq) FROM test.stored_aggregates GROUP BY d ORDER BY d;
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DROP TABLE test.stored_aggregates;
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