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Author SHA1 Message Date
schou 0c577c547b add negative offset ability 
Signed-off-by: schou <pschou@users.noreply.github.com>
 2021-02-23 20:25:56 -05:00
pschou aff3c702ab
promql: Add sgn, clamp and last_over_time functions (#8457) 
* Add sgn, clamp and last_over_time functions

Signed-off-by: schou <pschou@users.noreply.github.com>
 2021-02-20 16:34:52 +01:00
Danny Kopping 42a0e0acad
Prevent lexer from seeking to next rune after lexing escape sequence. (#8517) 
* Prevent lexer from seeking to next rune after lexing escape sequence.

Signed-off-by: Danny Kopping <danny.kopping@grafana.com>
 2021-02-19 07:38:05 +01:00
Ganesh Vernekar 86c71856e8
Add start() and end() pre-processors for @ modifier (#8425) 
* Add start() and end() pre-processors for @ modifier

Signed-off-by: Ganesh Vernekar <cs15btech11018@iith.ac.in>

* Fix reviews

Signed-off-by: Ganesh Vernekar <cs15btech11018@iith.ac.in>

* Fix review comments

Signed-off-by: Ganesh Vernekar <cs15btech11018@iith.ac.in>

* Fix review comments

Signed-off-by: Ganesh Vernekar <cs15btech11018@iith.ac.in>
 2021-02-09 21:33:16 +05:30
Ganesh Vernekar 9199fcb8d1
'@ <timestamp>' modifier (#8121) 
This commit adds `@ <timestamp>` modifier as per this design doc: https://docs.google.com/document/d/1uSbD3T2beM-iX4-Hp7V074bzBRiRNlqUdcWP6JTDQSs/edit.

An example query:

```
rate(process_cpu_seconds_total[1m]) 
  and
topk(7, rate(process_cpu_seconds_total[1h] @ 1234))
```

which ranks based on last 1h rate and w.r.t. unix timestamp 1234 but actually plots the 1m rate.

Signed-off-by: Ganesh Vernekar <cs15btech11018@iith.ac.in>
 2021-01-20 16:27:39 +05:30
Julien Pivotto 34656bbf8e
PromQL parser: fastpath for non-empty matchers and metric name (#8345) 
Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
 2021-01-07 11:38:38 +01:00
Atibhi Agrawal 0dd6e0cb76
change string(model.metricnamelabel) to model.metricnamelabel (#8289) 
Signed-off-by: aSquare14 <atibhi.a@gmail.com>
 2020-12-15 20:17:31 +05:30
Brian Brazil bef9d4e182
Don't include rendered expression in parse errors. (#8177) 
For a sufficiently complex expression, having to render
thousands of nodes for every subquery type error can take
a while - so don't do that.

Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>
 2020-11-12 15:25:52 +01:00
Julien Pivotto 6c56a1faaa
Testify: move to require (#8122) 
* Testify: move to require

Moving testify to require to fail tests early in case of errors.

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

* More moves

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
 2020-10-29 09:43:23 +00:00
Julien Pivotto 1282d1b39c
Refactor test assertions (#8110) 
* Refactor test assertions

This pull request gets rid of assert.True where possible to use
fine-grained assertions.

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
 2020-10-27 11:06:53 +01:00
Julien Pivotto 4e5b1722b3
Move away from testutil, refactor imports (#8087) 
Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
 2020-10-22 11:00:08 +02:00
Harkishen Singh fc8e769d71
Use ASSIGN when using = inside braces (#7911) 
* Fix EQL when using = inside braces.

Signed-off-by: Harkishen-Singh <harkishensingh@hotmail.com>

* EQL => EQLC and ASSIGN => EQL

Signed-off-by: Harkishen-Singh <harkishensingh@hotmail.com>

* Aligned yacc code.

Signed-off-by: Harkishen-Singh <harkishensingh@hotmail.com>
 2020-09-09 15:40:02 +05:30
johncming 267dd17fe7
promql/parser: use pos instead of origin. (#7853) 
Signed-off-by: johncming <johncming@yahoo.com>
 2020-08-26 15:26:26 +05:30
Julien Pivotto d867491364
Human-friendly durations in PromQL (#7713) 
* Add support for user-friendly durations

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
 2020-08-04 21:12:41 +02:00
johncming 31929b83d5
promql: use explicit type declare instead of string. (#7716) 
Signed-off-by: johncming <johncming@yahoo.com>
 2020-08-02 09:57:38 +01:00
Owen Diehl 00b7bdb1b6
parser.{Expr,Statement} publicly implementable (#7639) 
* parser.{Expr,Statement} publicly implementable

Signed-off-by: Owen Diehl <ow.diehl@gmail.com>
 2020-07-25 09:05:58 +01:00
Guangwen Feng 6b7ac2ac1b
Add unit test case to improve test coverage for matcher.go (#7658) 
Signed-off-by: Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
 2020-07-24 11:21:42 +01:00
Guangwen Feng b30654211c
Fix incorrect arguments order in TestExprString (#7602) 
Signed-off-by: Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
 2020-07-17 13:38:04 +01:00
Tobias Guggenmos 1f73073d73
Make without a valid metric identifier (#7533) 
Discussion see #7532.

cc @juliusv

Signed-off-by: Tobias Guggenmos <tobias.guggenmos@uni-ulm.de>
 2020-07-08 12:58:12 +02:00
Julien Pivotto 72425d4e3d
Add group() aggregator (#7480) 
* Add group() aggregator

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
 2020-06-30 16:51:18 +02:00
Guangwen Feng 9ab072b470
Fix golint issue caused by typo (#7475) 
Signed-off-by: Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
 2020-06-28 11:03:09 +01:00
Julien Pivotto 1f6f8e60ee promql/parser: Cleanup generatedParserResult accross reuse 
Reusing the same generatedParserResult ends up in strange panics:
See #7131 and #7127.

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
 2020-04-16 01:51:08 +02:00
Ben Kochie 269e7c8091
Fix golint issues. 
Signed-off-by: Ben Kochie <superq@gmail.com>
 2020-03-23 20:38:43 +01:00
johncming bdc45c2b9e
remove unused code. (#7019) 
Signed-off-by: johncming <johncming@yahoo.com>
 2020-03-21 07:15:51 +00:00
Tobias Guggenmos 012161d90d
PromQL: Fix lexer error handling (#6958) 
* PromQL: Fix lexer error handling

This fixes bugs in the handling of lexer errors that are only noticeable for users of the language server and caused https://github.com/prometheus-community/promql-langserver/issues/104 .

Signed-off-by: Tobias Guggenmos <tobias.guggenmos@uni-ulm.de>

* Add test for error position ranges

Signed-off-by: Tobias Guggenmos <tobias.guggenmos@uni-ulm.de>
 2020-03-16 15:47:47 +01:00
Julien Pivotto 5ddd1dcf0f
Fix panic when parsing varags (#6940) 
Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
 2020-03-08 13:09:24 +01:00
Tobias Guggenmos 1dbd799354
PromQL: Fix regression tests (#6935) 
This PR fixes the regression tests for the issue fixed in #6931 .

The reason for that is that all of the invalid queries that triggered the regression have become more or less valid syntax in #6933 (they might still fail typechecking).

Signed-off-by: Tobias Guggenmos <tobias.guggenmos@uni-ulm.de>
 2020-03-06 08:17:01 +00:00
Brian Brazil 44ad28dd5e
PromQL: Allow more keywords as metric names (#6933) 
* Allow more keywords as metric names
* Add documentation about forbidden keywords

Signed-off-by: Tobias Guggenmos <tobias.guggenmos@uni-ulm.de>
 2020-03-05 13:20:53 +00:00
Brian Brazil 7164b58945
PromQL: Fix parser panic (#6931) 
Signed-off-by: Tobias Guggenmos <tobias.guggenmos@uni-ulm.de>
 2020-03-05 08:03:38 +00:00
LongKB 82f7ed208b
Remove some duplicated words (#6882) 
Signed-off-by: Pham Duc Hanh <hanhpd@fujitsu.com>
 2020-02-27 07:08:31 +01:00
Tobias Guggenmos ec3df53f78 Add nolint comment 
Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>
 2020-02-17 16:09:23 +01:00
Tobias Guggenmos 6c00f2ffcb Comment fixes 
Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>
 2020-02-17 16:09:23 +01:00
Tobias Guggenmos 1360f9ff12 Fix all build errors in promql package 
Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>
 2020-02-17 16:09:23 +01:00
Tobias Guggenmos 9a1366775e Store function implementations independently of their signatures 
Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>
 2020-02-17 16:07:53 +01:00
Tobias Guggenmos ff0ea1c1ac Fix more identifiers 
Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>
 2020-02-17 16:07:53 +01:00
Tobias Guggenmos 6b1b323558 Export sequenceValue 
Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>
 2020-02-17 16:07:53 +01:00
Tobias Guggenmos 65f5b9827d Rename package 
Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>
 2020-02-17 16:05:21 +01:00
Tobias Guggenmos 98a9b7c90c Remove engine specific types 
Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>
 2020-02-17 16:05:21 +01:00
Tobias Guggenmos e7c2716f55 Move files 
Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>
 2020-02-17 16:05:21 +01:00