statistic

package
v1.1.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Dec 29, 2023 License: Apache-2.0 Imports: 3 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	Decimal128ToFloat64Scale = 5
	Float64PrecForMemorySize = 3
)
View Source 
const (
	StatsArrayVersion = StatsArrayVersion3

	StatsArrayVersion0 = 0 // raw statistics
	StatsArrayVersion1 = 1 // float64 array
	StatsArrayVersion2 = 2 // float64 array + plus one elem OutTrafficBytes
	StatsArrayVersion3 = 3 // ... + one elem: ConnType
)
View Source 
const (
	StatsArrayIndexVersion = iota
	StatsArrayIndexTimeConsumed
	StatsArrayIndexMemorySize
	StatsArrayIndexS3IOInputCount
	StatsArrayIndexS3IOOutputCount // index: 4
	StatsArrayIndexOutTrafficBytes // index: 5
	StatsArrayIndexConnType        // index: 6

	StatsArrayLength
)
View Source 
const (
	StatsArrayLengthV1 = 5
	StatsArrayLengthV2 = 6
	StatsArrayLengthV3 = 7
)

Variables

View Source 
var DefaultStatsArray = *initStatsArray
View Source 
var DefaultStatsArrayJsonString = initStatsArray.ToJsonString()

Functions

func ContextWithStatsInfo added in v1.0.1 

func ContextWithStatsInfo(requestCtx context.Context, stats *StatsInfo) context.Context

func EnsureStatsInfoCanBeFound added in v1.0.1 

func EnsureStatsInfoCanBeFound(ctx context.Context, from context.Context) context.Context

EnsureStatsInfoCanBeFound ensure a statement statistic is set in context, if not, copy one from another context, this function is copied from EnsureStatementProfiler

func StatsArrayToJsonString 

func StatsArrayToJsonString(arr []float64) []byte

StatsArrayToJsonString return json arr format example: [1,0,0,0,0] got `[1,0,0,0,0]` [1,2,3,4,5] got `[1,2,3.000,4,5]` [2,1,2,3,4,5] got `[2,3.000,4,5,6.000,7]`

Types

type ConnType 

type ConnType float64
const (
	ConnTypeUnknown  ConnType = 0
	ConnTypeInternal ConnType = 1
	ConnTypeExternal ConnType = 2
)

type StatsArray 

type StatsArray [StatsArrayLength]float64

func NewStatsArray 

func NewStatsArray() *StatsArray

func NewStatsArrayV1 

func NewStatsArrayV1() *StatsArray

func NewStatsArrayV2 

func NewStatsArrayV2() *StatsArray

func NewStatsArrayV3 

func NewStatsArrayV3() *StatsArray

func (*StatsArray) Add 

func (s *StatsArray) Add(delta *StatsArray) *StatsArray

Add do add two stats array together except for Element ConnType, which idx = StatsArrayIndexConnType, just keep s[StatsArrayIndexConnType] value.

func (*StatsArray) GetConnType 

func (s *StatsArray) GetConnType() float64

func (*StatsArray) GetMemorySize 

func (s *StatsArray) GetMemorySize() float64

func (*StatsArray) GetOutTrafficBytes 

func (s *StatsArray) GetOutTrafficBytes() float64

func (*StatsArray) GetS3IOInputCount 

func (s *StatsArray) GetS3IOInputCount() float64

func (*StatsArray) GetS3IOOutputCount 

func (s *StatsArray) GetS3IOOutputCount() float64

func (*StatsArray) GetTimeConsumed 

func (s *StatsArray) GetTimeConsumed() float64

func (*StatsArray) GetVersion 

func (s *StatsArray) GetVersion() float64

func (*StatsArray) Init 

func (s *StatsArray) Init() *StatsArray

func (*StatsArray) InitIfEmpty 

func (s *StatsArray) InitIfEmpty() *StatsArray

func (*StatsArray) Reset 

func (s *StatsArray) Reset() *StatsArray

func (*StatsArray) ToJsonString 

func (s *StatsArray) ToJsonString() []byte

func (*StatsArray) WithConnType 

func (s *StatsArray) WithConnType(v ConnType) *StatsArray

func (*StatsArray) WithMemorySize 

func (s *StatsArray) WithMemorySize(v float64) *StatsArray

func (*StatsArray) WithOutTrafficBytes 

func (s *StatsArray) WithOutTrafficBytes(v float64) *StatsArray

func (*StatsArray) WithS3IOInputCount 

func (s *StatsArray) WithS3IOInputCount(v float64) *StatsArray

func (*StatsArray) WithS3IOOutputCount 

func (s *StatsArray) WithS3IOOutputCount(v float64) *StatsArray

func (*StatsArray) WithTimeConsumed 

func (s *StatsArray) WithTimeConsumed(v float64) *StatsArray

func (*StatsArray) WithVersion 

func (s *StatsArray) WithVersion(v float64) *StatsArray

WithVersion set the version array in StatsArray, please carefully to use.

type StatsInfo added in v1.0.1 

type StatsInfo struct {
	ParseDuration     time.Duration `json:"ParseDuration"`
	PlanDuration      time.Duration `json:"PlanDuration"`
	CompileDuration   time.Duration `json:"CompileDuration"`
	ExecutionDuration time.Duration `json:"ExecutionDuration"`

	ParseStartTime     time.Time `json:"ParseStartTime"`
	PlanStartTime      time.Time `json:"PlanStartTime"`
	CompileStartTime   time.Time `json:"CompileStartTime"`
	ExecutionStartTime time.Time `json:"ExecutionStartTime"`
	ExecutionEndTime   time.Time `json:"ExecutionEndTime"`
}

statistic info of sql

func StatsInfoFromContext added in v1.0.1 

func StatsInfoFromContext(requestCtx context.Context) *StatsInfo

func (*StatsInfo) CompileEnd added in v1.0.1 

func (stats *StatsInfo) CompileEnd()

func (*StatsInfo) CompileStart added in v1.0.1 

func (stats *StatsInfo) CompileStart()

func (*StatsInfo) ExecutionEnd added in v1.0.1 

func (stats *StatsInfo) ExecutionEnd()

func (*StatsInfo) ExecutionStart added in v1.0.1 

func (stats *StatsInfo) ExecutionStart()

func (*StatsInfo) PlanEnd added in v1.0.1 

func (stats *StatsInfo) PlanEnd()

func (*StatsInfo) PlanStart added in v1.0.1 

func (stats *StatsInfo) PlanStart()

func (*StatsInfo) Reset added in v1.0.1 

func (stats *StatsInfo) Reset()

reset StatsInfo into zero state

Source Files

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