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expr

package

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Versions in this module

v1

v1.0.0

Jun 15, 2022

Changes in this version

+ func FetchAndEvalExp(ctx context.Context, e parser.Expr, from, until int64, ...) ([]*types.MetricData, error)

v0

v0.12.0-rc.0

Jun 23, 2019

v0.11.1

Jun 22, 2019

v0.11.0

Mar 22, 2018

v0.10.0

Feb 28, 2018

v0.9.2

Feb 20, 2018

v0.9.1

Feb 16, 2018

v0.9.0

Feb 7, 2018

Changes in this version

+ const AreaModeAll

+ const AreaModeFirst

+ const AreaModeNone

+ const AreaModeStacked

+ const LineModeConnected

+ const LineModeSlope

+ const LineModeStaircase

+ const PieModeAverage

+ const PieModeMaximum

+ const PieModeMinimum

+ var DefaultColorList = []string

+ var DefaultParams = PictureParams

+ var RangeTables []*unicode.RangeTable

+ func MarshalPNGRequest(r *http.Request, results []*MetricData) []byte

+ func MarshalSVGRequest(r *http.Request, results []*MetricData) []byte

+ func RewriteExpr(e *expr, from, until int32, values map[MetricRequest][]*MetricData) (bool, []string, error)

+ type AreaMode int

+ type FontSlant int

+ const FontSlantItalic

+ const FontSlantNormal

+ const FontSlantOblique

+ type FontWeight int

+ const FontWeightBold

+ const FontWeightNormal

+ type LineMode int

+ type PictureParams struct

+ AreaAlpha float64

+ AreaMode AreaMode

+ BgColor string

+ ColorList []string

+ ConnectedLimit int

+ DrawAsInfinite bool

+ DrawNullAsZero bool

+ FgColor string

+ FontBold FontWeight

+ FontItalic FontSlant

+ FontName string

+ FontSize float64

+ GraphOnly bool

+ Height float64

+ HideAxes bool

+ HideGrid bool

+ HideLegend bool

+ HideXAxis bool

+ HideYAxis bool

+ LeftColor string

+ LeftDashed bool

+ LeftWidth float64

+ LineMode LineMode

+ LineWidth float64

+ LogBase float64

+ MajorGridLineColor string

+ MajorLine string

+ Margin int

+ MinorGridLineColor string

+ MinorLine string

+ MinorY int

+ PieMode PieMode

+ RightColor string

+ RightDashed bool

+ RightWidth float64

+ Title string

+ Tz *time.Location

+ UniqueLegend bool

+ Vtitle string

+ VtitleRight string

+ Width float64

+ XFormat string

+ XMax float64

+ XMin float64

+ XStep float64

+ YAxisSide YAxisSide

+ YDivisors []float64

+ YLimitLeft float64

+ YLimitRight float64

+ YMax float64

+ YMaxLeft float64

+ YMaxRight float64

+ YMin float64

+ YMinLeft float64

+ YMinRight float64

+ YStep float64

+ YStepL float64

+ YStepR float64

+ YUnitSystem string

+ func GetPictureParams(r *http.Request, metricData []*MetricData) PictureParams

+ type PieMode int

+ type YAxisSide int

+ const YAxisSideLeft

+ const YAxisSideRight

v0.8.0

Apr 25, 2017

v0.7.0

Mar 10, 2017

v0.6.0

Mar 3, 2017

Changes in this version

+ var ErrBadType = errors.New("bad type")

+ var ErrMissingArgument = errors.New("missing argument")

+ var ErrMissingComma = errors.New("missing comma")

+ var ErrMissingExpr = errors.New("missing expression")

+ var ErrMissingQuote = errors.New("missing quote")

+ var ErrMissingTimeseries = errors.New("missing time series argument")

+ var ErrSeriesDoesNotExist = errors.New("no timeseries with that name")

+ var ErrTooManyArguments = errors.New("too many arguments")

+ var ErrUnexpectedCharacter = errors.New("unexpected character")

+ var ErrWildcardNotAllowed = errors.New("found wildcard where series expected")

+ func AlphabeticallyByPart(metrics []*MetricData, part int) sort.Interface

+ func ByPart(metrics []*MetricData, part int) byPartBase

+ func ConsolidateJSON(maxDataPoints int, results []*MetricData)

+ func IntervalString(s string, defaultSign int) (int32, error)

+ func MarshalCSV(results []*MetricData) []byte

+ func MarshalJSON(results []*MetricData) []byte

+ func MarshalPNG(r *http.Request, results []*MetricData) []byte

+ func MarshalPickle(results []*MetricData) []byte

+ func MarshalProtobuf(results []*MetricData) ([]byte, error)

+ func MarshalRaw(results []*MetricData) []byte

+ func MarshalSVG(r *http.Request, results []*MetricData) []byte

+ func ParseExpr(e string) (*expr, string, error)

+ func SortMetrics(metrics []*MetricData, mfetch MetricRequest)

+ func TruthyBool(s string) bool

+ type ByName []*MetricData

+ func (s ByName) Len() int

+ func (s ByName) Less(i, j int) bool

+ func (s ByName) Swap(i, j int)

+ type ByNameNatural []*MetricData

+ func (s ByNameNatural) Len() int

+ func (s ByNameNatural) Less(i, j int) bool

+ func (s ByNameNatural) Swap(i, j int)

+ type MetricData struct

+ func EvalExpr(e *expr, from, until int32, values map[MetricRequest][]*MetricData) ([]*MetricData, error)

+ func (r *MetricData) AggregateValues()

+ func (r *MetricData) AggregatedAbsent() []bool

+ func (r *MetricData) AggregatedTimeStep() int32

+ func (r *MetricData) AggregatedValues() []float64

+ type MetricRequest struct

+ From int32

+ Metric string

+ Until int32