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9 lines
931 B
SQL
9 lines
931 B
SQL
DROP TABLE IF EXISTS grop_uniq_array_date;
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CREATE TABLE grop_uniq_array_date (d Date, dt DateTime, id Integer) ENGINE = Memory;
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INSERT INTO grop_uniq_array_date VALUES (toDate('2016-12-16'), toDateTime('2016-12-16 12:00:00'), 1) (toDate('2016-12-16'), toDateTime('2016-12-16 12:00:00'), 1);
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SELECT groupUniqArray(d), groupUniqArray(dt) FROM grop_uniq_array_date;
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INSERT INTO grop_uniq_array_date VALUES (toDate('2016-12-17'), toDateTime('2016-12-17 12:00:00'), 1), (toDate('2016-12-18'), toDateTime('2016-12-18 12:00:00'), 1), (toDate('2016-12-16'), toDateTime('2016-12-16 12:00:00'), 2);
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SELECT length(groupUniqArray(2)(d)), length(groupUniqArray(2)(dt)), length(groupUniqArray(d)), length(groupUniqArray(dt)) FROM grop_uniq_array_date GROUP BY id ORDER BY id;
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SELECT length(groupUniqArray(10000)(d)), length(groupUniqArray(10000)(dt)) FROM grop_uniq_array_date GROUP BY id ORDER BY id;
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DROP TABLE IF EXISTS grop_uniq_array_date;
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