Files
greptimedb/tests/cases/standalone/optimizer/last_value.sql
Yingwen 20d9c0a345 fix: scan hint checks order asc (#4365)
* fix: order by asc check

* feat: print selector in explain

* test: move last_value opt test to standalone

* test: sqlness remove space

* test: update regex for datetime

* test: fix partitioning

* chore: update comment

Co-authored-by: Ruihang Xia <waynestxia@gmail.com>

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Co-authored-by: Ruihang Xia <waynestxia@gmail.com>
2024-07-15 07:49:14 +00:00

30 lines
650 B
SQL

create table t (
ts timestamp time index,
host string primary key,
not_pk string,
val double,
);
insert into t values
(0, 'a', '🌕', 1.0),
(1, 'b', '🌖', 2.0),
(2, 'a', '🌗', 3.0),
(3, 'c', '🌘', 4.0),
(4, 'a', '🌑', 5.0),
(5, 'b', '🌒', 6.0),
(6, 'a', '🌓', 7.0),
(7, 'c', '🌔', 8.0),
(8, 'd', '🌕', 9.0);
-- SQLNESS REPLACE (metrics.*) REDACTED
-- SQLNESS REPLACE (partitioning.*) REDACTED
explain analyze
select
last_value(host order by ts),
last_value(not_pk order by ts),
last_value(val order by ts)
from t
group by host;
drop table t;