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22 lines
1.1 KiB
SQL
22 lines
1.1 KiB
SQL
CREATE TEMPORARY TABLE t (x UInt8);
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SET empty_result_for_aggregation_by_empty_set = 0;
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SELECT count() FROM system.one WHERE 0;
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SELECT count() FROM system.one WHERE rand() < 0;
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SELECT count() FROM system.one WHERE 1;
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SELECT count(), uniq(x), avg(x), avg(toNullable(x)), groupArray(x), groupUniqArray(x) FROM t;
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SELECT count(), uniq(x), avg(x), avg(toNullable(x)), groupArray(x), groupUniqArray(x) FROM (SELECT * FROM t UNION ALL SELECT * FROM t);
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SELECT x, count(), uniq(x), avg(x), avg(toNullable(x)), groupArray(x), groupUniqArray(x) FROM t GROUP BY x;
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SET empty_result_for_aggregation_by_empty_set = 1;
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SELECT count() FROM system.one WHERE 0;
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SELECT count() FROM system.one WHERE rand() < 0;
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SELECT count() FROM system.one WHERE 1;
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SELECT count(), uniq(x), avg(x), avg(toNullable(x)), groupArray(x), groupUniqArray(x) FROM t;
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SELECT count(), uniq(x), avg(x), avg(toNullable(x)), groupArray(x), groupUniqArray(x) FROM (SELECT * FROM t UNION ALL SELECT * FROM t);
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SELECT x, count(), uniq(x), avg(x), avg(toNullable(x)), groupArray(x), groupUniqArray(x) FROM t GROUP BY x;
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