mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-01-05 21:02:58 +00:00
7bd108e2be
* basic impl Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * more tests Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * sqlness test Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * fix clippy Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * update with more test and logs Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * impl Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * impl merge fn Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * rename function names Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
85 lines
1.7 KiB
Plaintext
85 lines
1.7 KiB
Plaintext
CREATE TABLE test_hll (
|
|
`id` INT PRIMARY KEY,
|
|
`value` STRING,
|
|
`ts` timestamp time index default now()
|
|
);
|
|
|
|
Affected Rows: 0
|
|
|
|
INSERT INTO test_hll (`id`, `value`) VALUES
|
|
(1, "a"),
|
|
(2, "b"),
|
|
(5, "e"),
|
|
(6, "f"),
|
|
(7, "g"),
|
|
(8, "h"),
|
|
(9, "i"),
|
|
(10, "j"),
|
|
(11, "i"),
|
|
(12, "j"),
|
|
(13, "i"),
|
|
(14, "n"),
|
|
(15, "o");
|
|
|
|
Affected Rows: 13
|
|
|
|
select hll_count(hll(`value`)) from test_hll;
|
|
|
|
+--------------------------------+
|
|
| hll_count(hll(test_hll.value)) |
|
|
+--------------------------------+
|
|
| 10 |
|
|
+--------------------------------+
|
|
|
|
INSERT INTO test_hll (`id`, `value`) VALUES
|
|
(16, "b"),
|
|
(17, "i"),
|
|
(18, "j"),
|
|
(19, "s"),
|
|
(20, "t");
|
|
|
|
Affected Rows: 5
|
|
|
|
select hll_count(hll(`value`)) from test_hll;
|
|
|
|
+--------------------------------+
|
|
| hll_count(hll(test_hll.value)) |
|
|
+--------------------------------+
|
|
| 12 |
|
|
+--------------------------------+
|
|
|
|
create table test_hll_merge (
|
|
`id` INT PRIMARY KEY,
|
|
`state` BINARY,
|
|
`ts` timestamp time index default now()
|
|
);
|
|
|
|
Affected Rows: 0
|
|
|
|
insert into test_hll_merge (`id`, `state`)
|
|
select 1, hll(`value`) from test_hll;
|
|
|
|
Affected Rows: 1
|
|
|
|
insert into test_hll_merge (`id`, `state`)
|
|
select 2, hll(`value`) from test_hll;
|
|
|
|
Affected Rows: 1
|
|
|
|
select hll_count(hll_merge(`state`)) from test_hll_merge;
|
|
|
|
+--------------------------------------------+
|
|
| hll_count(hll_merge(test_hll_merge.state)) |
|
|
+--------------------------------------------+
|
|
| 12 |
|
|
+--------------------------------------------+
|
|
|
|
drop table test_hll;
|
|
|
|
Affected Rows: 0
|
|
|
|
drop table test_hll_merge;
|
|
|
|
Affected Rows: 0
|
|
|