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https://github.com/GreptimeTeam/greptimedb.git
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e728cb33fb
* feat: implement count_hash aggr function Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * sqlness case Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * change copyright year Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * review changes Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
37 lines
428 B
SQL
37 lines
428 B
SQL
create table
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t (
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ts timestamp time index,
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`id` int,
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`name` string,
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PRIMARY KEY (`id`),
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);
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insert into
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t (ts, `id`, `name`)
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values
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(1, 1, 'a'),
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(2, 2, 'b'),
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(3, 3, 'c'),
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(4, 4, 'd');
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select
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count_hash (`id`)
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from
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t;
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select
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count_hash (`id`)
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from
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t
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group by
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`name`;
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select
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count_hash (`id`, `name`)
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from
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t
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group by
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ts;
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drop table t;
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