stream

package
v0.5.0 Latest Latest
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Published: Oct 17, 2023 License: Apache-2.0 Imports: 25 Imported by: 0

Documentation

Overview

Package stream implements execution operations for querying stream data.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Analyze added in v0.3.0

func Analyze(_ context.Context, criteria *streamv1.QueryRequest, metadata *commonv1.Metadata, s logical.Schema) (logical.Plan, error)

Analyze converts logical expressions to executable operation tree represented by Plan.

func BuildSchema added in v0.3.0

func BuildSchema(sm *databasev1.Stream, indexRules []*databasev1.IndexRule) (logical.Schema, error)

BuildSchema returns Schema loaded from the metadata repository.

func DistributedAnalyze added in v0.5.0

func DistributedAnalyze(criteria *streamv1.QueryRequest, s logical.Schema) (logical.Plan, error)

DistributedAnalyze converts logical expressions to executable operation tree represented by Plan.

Types

type Parent added in v0.3.0

type Parent struct {
	UnresolvedInput logical.UnresolvedPlan
	Input           logical.Plan
}

Parent refers to a parent node in the execution tree(plan).

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