query

package

v0.5.0 Latest Latest Go to latest Published: Oct 17, 2023 License: Apache-2.0 Imports: 32 Imported by: 0

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Repository

github.com/apache/skywalking-banyandb

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Documentation ¶

Overview ¶

Package query implement the query module for liaison and other modules to retrieve data.

Index ¶

func NewService(_ context.Context, streamService stream.Service, ...) (run.Unit, error)
type PostProcessor
- func CreateTopNPostAggregator(topN int32, aggrFunc modelv1.AggregationFunction, sort modelv1.Sort) PostProcessor

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func NewService ¶ added in v0.3.0

func NewService(_ context.Context, streamService stream.Service, measureService measure.Service,
	metaService metadata.Repo, pipeline queue.Server,
) (run.Unit, error)

NewService return a new query service.

Types ¶

type PostProcessor ¶ added in v0.5.0

type PostProcessor interface {
	Put(entityValues tsdb.EntityValues, val int64, timestampMillis uint64) error
	Val([]string) []*measurev1.TopNList
}

PostProcessor defines necessary methods for Top-N post processor with or without aggregation.

func CreateTopNPostAggregator ¶ added in v0.5.0

func CreateTopNPostAggregator(topN int32, aggrFunc modelv1.AggregationFunction, sort modelv1.Sort) PostProcessor

CreateTopNPostAggregator creates a Top-N post processor with or without aggregation.

Source Files ¶

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