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feat: absent function in PromQL (#6618)

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* feat: absent function in PromQL

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* impl serde

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* sqlness test

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* ai suggests

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* resolve PR comments

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* comment out some tests

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

---------

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
This commit is contained in:
Ruihang Xia
2025-08-03 23:59:58 -07:00
committed by GitHub
parent a3e55565dc
commit 865ca44dbd
9 changed files with 924 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tests/cases/standalone/common/promql/absent.result
+122
View File
@@ -0,0 +1,122 @@
create table t (
ts timestamp(3) time index,
job STRING,
instance STRING,
val DOUBLE,
PRIMARY KEY(job, instance),
);
Affected Rows: 0
insert into t values
(0, 'job1', 'instance1', 1),
(0, 'job2', 'instance2', 2),
(5000, 'job1', 'instance3',3),
(5000, 'job2', 'instance4',4),
(10000, 'job1', 'instance5',5),
(10000, 'job2', 'instance6',6),
(15000, 'job1', 'instance7',7),
(15000, 'job2', 'instance8',8);
Affected Rows: 8
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job="job1"});
++
++
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job="job2"});
++
++
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job="job3"});
+---------------------+-----+------+
| ts | val | job |
+---------------------+-----+------+
| 1970-01-01T00:00:00 | 1.0 | job3 |
| 1970-01-01T00:00:05 | 1.0 | job3 |
| 1970-01-01T00:00:10 | 1.0 | job3 |
| 1970-01-01T00:00:15 | 1.0 | job3 |
+---------------------+-----+------+
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(nonexistent_table);
+---------------------+-------+
| time | value |
+---------------------+-------+
| 1970-01-01T00:00:00 | 1.0 |
| 1970-01-01T00:00:05 | 1.0 |
| 1970-01-01T00:00:10 | 1.0 |
| 1970-01-01T00:00:15 | 1.0 |
+---------------------+-------+
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job="nonexistent_job"});
+---------------------+-----+-----------------+
| ts | val | job |
+---------------------+-----+-----------------+
| 1970-01-01T00:00:00 | 1.0 | nonexistent_job |
| 1970-01-01T00:00:05 | 1.0 | nonexistent_job |
| 1970-01-01T00:00:10 | 1.0 | nonexistent_job |
| 1970-01-01T00:00:15 | 1.0 | nonexistent_job |
+---------------------+-----+-----------------+
-- SQLNESS SORT_RESULT 3 1
tql eval (1000, 1000, '1s') absent(t{job="job1"});
+---------------------+-----+------+
| ts | val | job |
+---------------------+-----+------+
| 1970-01-01T00:16:40 | 1.0 | job1 |
+---------------------+-----+------+
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job="nonexistent_job1", job="nonexistent_job2"});
+---------------------+-----+------------------+
| ts | val | job |
+---------------------+-----+------------------+
| 1970-01-01T00:00:00 | 1.0 | nonexistent_job2 |
| 1970-01-01T00:00:05 | 1.0 | nonexistent_job2 |
| 1970-01-01T00:00:10 | 1.0 | nonexistent_job2 |
| 1970-01-01T00:00:15 | 1.0 | nonexistent_job2 |
+---------------------+-----+------------------+
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job=~"nonexistent_job1", job!="nonexistent_job2"});
+---------------------+-----+
| ts | val |
+---------------------+-----+
| 1970-01-01T00:00:00 | 1.0 |
| 1970-01-01T00:00:05 | 1.0 |
| 1970-01-01T00:00:10 | 1.0 |
| 1970-01-01T00:00:15 | 1.0 |
+---------------------+-----+
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') sum(t{job="job2"});
+---------------------+------------+
| ts | sum(t.val) |
+---------------------+------------+
| 1970-01-01T00:00:00 | 2.0 |
| 1970-01-01T00:00:05 | 6.0 |
| 1970-01-01T00:00:10 | 12.0 |
| 1970-01-01T00:00:15 | 20.0 |
+---------------------+------------+
-- ABSENT is not supported for aggregation functions for now
-- tql eval (0, 15, '5s') absent(sum(t{job="job2"}));
-- tql eval (0, 15, '5s') absent(sum(t{job="job3"}));
drop table t;
Affected Rows: 0
tests/cases/standalone/common/promql/absent.sql
+50
View File
@@ -0,0 +1,50 @@
create table t (
ts timestamp(3) time index,
job STRING,
instance STRING,
val DOUBLE,
PRIMARY KEY(job, instance),
);
insert into t values
(0, 'job1', 'instance1', 1),
(0, 'job2', 'instance2', 2),
(5000, 'job1', 'instance3',3),
(5000, 'job2', 'instance4',4),
(10000, 'job1', 'instance5',5),
(10000, 'job2', 'instance6',6),
(15000, 'job1', 'instance7',7),
(15000, 'job2', 'instance8',8);
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job="job1"});
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job="job2"});
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job="job3"});
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(nonexistent_table);
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job="nonexistent_job"});
-- SQLNESS SORT_RESULT 3 1
tql eval (1000, 1000, '1s') absent(t{job="job1"});
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job="nonexistent_job1", job="nonexistent_job2"});
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') absent(t{job=~"nonexistent_job1", job!="nonexistent_job2"});
-- SQLNESS SORT_RESULT 3 1
tql eval (0, 15, '5s') sum(t{job="job2"});
-- ABSENT is not supported for aggregation functions for now
-- tql eval (0, 15, '5s') absent(sum(t{job="job2"}));
-- tql eval (0, 15, '5s') absent(sum(t{job="job3"}));
drop table t;