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fix(influxdb): add default operator

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ref #6523
This commit is contained in:
bergquist 2016-11-10 10:41:00 +01:00
parent 71eb0f3278
commit 4f3c8c6663
2 changed files with 49 additions and 15 deletions
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34
pkg/tsdb/influxdb/query_builder.go
View File

@ -5,9 +5,15 @@ import (
"strconv"
"strings"
"regexp"
"github.com/grafana/grafana/pkg/tsdb"
)
var (
regexpOperatorPattern *regexp.Regexp = regexp.MustCompile(`^\/.*\/$`)
)
type QueryBuilder struct{}
func (qb *QueryBuilder) Build(query *Query, queryContext *tsdb.QueryContext) (string, error) {
@ -43,18 +49,28 @@ func (qb *QueryBuilder) renderTags(query *Query) []string {
str += " "
}
value := tag.Value
nValue, err := strconv.ParseFloat(tag.Value, 64)
if tag.Operator == "=~" || tag.Operator == "!~" {
value = fmt.Sprintf("%s", value)
} else if err == nil {
value = fmt.Sprintf("%v", nValue)
//If the operator is missing we fall back to sensible defaults
if tag.Operator == "" {
if regexpOperatorPattern.Match([]byte(tag.Value)) {
tag.Operator = "=~"
} else {
value = fmt.Sprintf("'%s'", value)
tag.Operator = "="
}
}
res = append(res, fmt.Sprintf(`%s"%s" %s %s`, str, tag.Key, tag.Operator, value))
textValue := ""
numericValue, err := strconv.ParseFloat(tag.Value, 64)
// quote value unless regex or number
if tag.Operator == "=~" || tag.Operator == "!~" {
textValue = tag.Value
} else if err == nil {
textValue = fmt.Sprintf("%v", numericValue)
} else {
textValue = fmt.Sprintf("'%s'", tag.Value)
}
res = append(res, fmt.Sprintf(`%s"%s" %s %s`, str, tag.Key, tag.Operator, textValue))
}
return res

28
pkg/tsdb/influxdb/query_builder_test.go
View File

@ -86,16 +86,34 @@ func TestInfluxdbQueryBuilder(t *testing.T) {
So(rawQuery, ShouldEqual, `Raw query`)
})
Convey("can render regex tags", func() {
query := &Query{Tags: []*Tag{&Tag{Operator: "=~", Value: "value", Key: "key"}}}
Convey("can render normal tags without operator", func() {
query := &Query{Tags: []*Tag{&Tag{Operator: "", Value: `value`, Key: "key"}}}
So(strings.Join(builder.renderTags(query), ""), ShouldEqual, `"key" =~ value`)
So(strings.Join(builder.renderTags(query), ""), ShouldEqual, `"key" = 'value'`)
})
Convey("can render regex tags without operator", func() {
query := &Query{Tags: []*Tag{&Tag{Operator: "", Value: `/value/`, Key: "key"}}}
So(strings.Join(builder.renderTags(query), ""), ShouldEqual, `"key" =~ /value/`)
})
Convey("can render regex tags", func() {
query := &Query{Tags: []*Tag{&Tag{Operator: "=~", Value: `/value/`, Key: "key"}}}
So(strings.Join(builder.renderTags(query), ""), ShouldEqual, `"key" =~ /value/`)
})
Convey("can render number tags", func() {
query := &Query{Tags: []*Tag{&Tag{Operator: "=", Value: "1", Key: "key"}}}
query := &Query{Tags: []*Tag{&Tag{Operator: "=", Value: "10001", Key: "key"}}}
So(strings.Join(builder.renderTags(query), ""), ShouldEqual, `"key" = 1`)
So(strings.Join(builder.renderTags(query), ""), ShouldEqual, `"key" = 10001`)
})
Convey("can render number tags with decimals", func() {
query := &Query{Tags: []*Tag{&Tag{Operator: "=", Value: "10001.1", Key: "key"}}}
So(strings.Join(builder.renderTags(query), ""), ShouldEqual, `"key" = 10001.1`)
})
Convey("can render string tags", func() {