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15 lines
787 B
SQL
15 lines
787 B
SQL
DROP TABLE IF EXISTS aggregating_00191;
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CREATE TABLE aggregating_00191 (d Date DEFAULT '2000-01-01', k UInt64, u AggregateFunction(uniq, UInt64)) ENGINE = AggregatingMergeTree(d, k, 8192);
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INSERT INTO aggregating_00191 (k, u) SELECT intDiv(number, 100) AS k, uniqState(toUInt64(number % 100)) AS u FROM (SELECT * FROM system.numbers LIMIT 1000) GROUP BY k;
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INSERT INTO aggregating_00191 (k, u) SELECT intDiv(number, 100) AS k, uniqState(toUInt64(number % 100) + 50) AS u FROM (SELECT * FROM system.numbers LIMIT 500, 1000) GROUP BY k;
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SELECT k, finalizeAggregation(u) FROM aggregating_00191 FINAL;
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OPTIMIZE TABLE aggregating_00191;
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SELECT k, finalizeAggregation(u) FROM aggregating_00191;
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SELECT k, finalizeAggregation(u) FROM aggregating_00191 FINAL;
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DROP TABLE aggregating_00191;
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