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app/vmselect/promql: add support for _ delimiters in numeric values

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For example, 1_234_567_890 is equivalent to 1234567890,
while 1.234_567_890 is equivalent to 1.234567890
This commit is contained in:
Aliaksandr Valialkin 2023-08-30 14:33:38 +02:00
parent 1bba4c5118
commit 1c0e065216
No known key found for this signature in database
GPG Key ID: A72BEC6CD3D0DED1
7 changed files with 45 additions and 6 deletions
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33
app/vmselect/promql/exec_test.go
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@ -86,6 +86,28 @@ func TestExecSuccess(t *testing.T) {
resultExpected := []netstorage.Result{r}
f(q, resultExpected)
})
t.Run("int_with_underscores", func(t *testing.T) {
t.Parallel()
q := `123_456_789`
r := netstorage.Result{
MetricName: metricNameExpected,
Values: []float64{123456789, 123456789, 123456789, 123456789, 123456789, 123456789},
Timestamps: timestampsExpected,
}
resultExpected := []netstorage.Result{r}
f(q, resultExpected)
})
t.Run("float_with_underscores", func(t *testing.T) {
t.Parallel()
q := `1_2.3_456_789`
r := netstorage.Result{
MetricName: metricNameExpected,
Values: []float64{12.3456789, 12.3456789, 12.3456789, 12.3456789, 12.3456789, 12.3456789},
Timestamps: timestampsExpected,
}
resultExpected := []netstorage.Result{r}
f(q, resultExpected)
})
t.Run("duration-constant", func(t *testing.T) {
t.Parallel()
q := `1h23m5S`
@ -141,6 +163,17 @@ func TestExecSuccess(t *testing.T) {
resultExpected := []netstorage.Result{r}
f(q, resultExpected)
})
t.Run("num-with-suffix-5", func(t *testing.T) {
t.Parallel()
q := `1_234M`
r := netstorage.Result{
MetricName: metricNameExpected,
Values: []float64{1234e6, 1234e6, 1234e6, 1234e6, 1234e6, 1234e6},
Timestamps: timestampsExpected,
}
resultExpected := []netstorage.Result{r}
f(q, resultExpected)
})
t.Run("simple-arithmetic", func(t *testing.T) {
t.Parallel()
q := `-1+2 *3 ^ 4+5%6`

1
docs/CHANGELOG.md
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@ -24,6 +24,7 @@ The following `tip` changes can be tested by building VictoriaMetrics components
## tip
* FEATURE: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): add support for numbers with underscore delimiters such as `1_234_567_890` and `1.234_567_890`. These numbers are easier to read than `1234567890` and `1.234567890`.
* FEATURE: [vmbackup](https://docs.victoriametrics.com/vmbackup.html): add support for server-side copy of existing backups. See [these docs](https://docs.victoriametrics.com/vmbackup.html#server-side-copy-of-the-existing-backup) for details.
* FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent.html): add ability to set `member num` label for all the metrics scraped by a particular `vmagent` instance in [a cluster of vmagents](https://docs.victoriametrics.com/vmagent.html#scraping-big-number-of-targets) via `-promscrape.cluster.memberLabel` command-line flag. See [these docs](https://docs.victoriametrics.com/vmagent.html#scraping-big-number-of-targets) and [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4247).
* FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent.html): do not log `unexpected EOF` when reading incoming metrics, since this error is expected and is handled during metrics' parsing. This reduces the amounts of noisy logs. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4817).

1
docs/MetricsQL.md
View File

@ -67,6 +67,7 @@ The list of MetricsQL features on top of PromQL:
depending on the current step used for building the graph (e.g. `step` query arg passed to [/api/v1/query_range](https://docs.victoriametrics.com/keyConcepts.html#range-query)).
For instance, the following query is valid in VictoriaMetrics: `rate(node_network_receive_bytes_total)`.
It is equivalent to `rate(node_network_receive_bytes_total[$__interval])` when used in Grafana.
* Numeric values can contain `_` delimiters for better readability. For example, `1_234_567_890` can be used in queries instead of `1234567890`.
* [Series selectors](https://docs.victoriametrics.com/keyConcepts.html#filtering) accept multiple `or` filters. For example, `{env="prod",job="a" or env="dev",job="b"}`
selects series with either `{env="prod",job="a"}` or `{env="dev",job="b"}` labels.
See [these docs](https://docs.victoriametrics.com/keyConcepts.html#filtering-by-multiple-or-filters) for details.

2
go.mod
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@ -12,7 +12,7 @@ require (
// like https://github.com/valyala/fasthttp/commit/996610f021ff45fdc98c2ce7884d5fa4e7f9199b
github.com/VictoriaMetrics/fasthttp v1.2.0
github.com/VictoriaMetrics/metrics v1.24.0
github.com/VictoriaMetrics/metricsql v0.63.0
github.com/VictoriaMetrics/metricsql v0.64.0
github.com/aws/aws-sdk-go-v2 v1.21.0
github.com/aws/aws-sdk-go-v2/config v1.18.37
github.com/aws/aws-sdk-go-v2/feature/s3/manager v1.11.81

4
go.sum
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@ -70,8 +70,8 @@ github.com/VictoriaMetrics/fasthttp v1.2.0 h1:nd9Wng4DlNtaI27WlYh5mGXCJOmee/2c2b
github.com/VictoriaMetrics/fasthttp v1.2.0/go.mod h1:zv5YSmasAoSyv8sBVexfArzFDIGGTN4TfCKAtAw7IfE=
github.com/VictoriaMetrics/metrics v1.24.0 h1:ILavebReOjYctAGY5QU2F9X0MYvkcrG3aEn2RKa1Zkw=
github.com/VictoriaMetrics/metrics v1.24.0/go.mod h1:eFT25kvsTidQFHb6U0oa0rTrDRdz4xTYjpL8+UPohys=
github.com/VictoriaMetrics/metricsql v0.63.0 h1:RRu3lln7uhQwSRkzAknOUyB0uP9LwymFMHnzDqGbZ40=
github.com/VictoriaMetrics/metricsql v0.63.0/go.mod h1:k4UaP/+CjuZslIjd+kCigNG9TQmUqh5v0TP/nMEy90I=
github.com/VictoriaMetrics/metricsql v0.64.0 h1:uty6AXQFY3OpQ+eopo1jDjCcTctuqkqYLnRbQVhukW8=
github.com/VictoriaMetrics/metricsql v0.64.0/go.mod h1:k4UaP/+CjuZslIjd+kCigNG9TQmUqh5v0TP/nMEy90I=
github.com/VividCortex/ewma v1.2.0 h1:f58SaIzcDXrSy3kWaHNvuJgJ3Nmz59Zji6XoJR/q1ow=
github.com/VividCortex/ewma v1.2.0/go.mod h1:nz4BbCtbLyFDeC9SUHbtcT5644juEuWfUAUnGx7j5l4=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=

8
vendor/github.com/VictoriaMetrics/metricsql/lexer.go generated vendored
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@ -233,7 +233,7 @@ func scanPositiveNumber(s string) (string, error) {
}
return s[:i], nil
}
for i < len(s) && isDecimalChar(s[i]) {
for i < len(s) && isDecimalCharOrUnderscore(s[i]) {
i++
}
@ -258,7 +258,7 @@ func scanPositiveNumber(s string) (string, error) {
// Scan fractional part. It cannot be empty.
i++
j := i
for j < len(s) && isDecimalChar(s[j]) {
for j < len(s) && isDecimalCharOrUnderscore(s[j]) {
j++
}
i = j
@ -673,6 +673,10 @@ func isDecimalChar(ch byte) bool {
return ch >= '0' && ch <= '9'
}
func isDecimalCharOrUnderscore(ch byte) bool {
return isDecimalChar(ch) || ch == '_'
}
func isHexChar(ch byte) bool {
return isDecimalChar(ch) || ch >= 'a' && ch <= 'f' || ch >= 'A' && ch <= 'F'
}

2
vendor/modules.txt vendored
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@ -99,7 +99,7 @@ github.com/VictoriaMetrics/fasthttp/stackless
# github.com/VictoriaMetrics/metrics v1.24.0
## explicit; go 1.20
github.com/VictoriaMetrics/metrics
# github.com/VictoriaMetrics/metricsql v0.63.0
# github.com/VictoriaMetrics/metricsql v0.64.0
## explicit; go 1.13
github.com/VictoriaMetrics/metricsql
github.com/VictoriaMetrics/metricsql/binaryop