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23 lines
450 B
SQL
23 lines
450 B
SQL
DROP TABLE IF EXISTS stored_aggregates;
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set allow_deprecated_syntax_for_merge_tree=1;
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CREATE TABLE 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 stored_aggregates
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SELECT
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toDate('2014-06-01') AS d,
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uniqState(number) 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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SELECT uniqMerge(Uniq) FROM stored_aggregates;
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DROP TABLE stored_aggregates;
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