baseimpl

Documentation

Index

• Constants
• type Plan
  • func NewBasePlan(ctx planctx.PlanContext, tp string, qbBlock int) Plan
  • func (p *Plan) BuildPlanTrace() *tracing.PlanTrace
  • func (*Plan) CloneForPlanCache(base.PlanContext) (cloned base.Plan, ok bool)
  • func (p *Plan) CloneWithNewCtx(newCtx base.PlanContext) *Plan
  • func (p *Plan) ExplainID() fmt.Stringer
  • func (*Plan) ExplainInfo() string
  • func (p *Plan) ID() int
  • func (p *Plan) MemoryUsage() (sum int64)
  • func (*Plan) OutputNames() types.NameSlice
  • func (p *Plan) QueryBlockOffset() int
  • func (*Plan) ReplaceExprColumns(_ map[string]*expression.Column)
  • func (p *Plan) SCtx() planctx.PlanContext
  • func (p *Plan) SetID(id int)
  • func (*Plan) SetOutputNames(_ types.NameSlice)
  • func (p *Plan) SetSCtx(ctx planctx.PlanContext)
  • func (p *Plan) SetStats(s *property.StatsInfo)
  • func (p *Plan) SetTP(tp string)
  • func (p *Plan) StatsInfo() *property.StatsInfo
  • func (p *Plan) TP() string

Constants

const PlanSize = int64(unsafe.Sizeof(Plan{}))

PlanSize is the size of BasePlan.

Types

type Plan

type Plan struct {
	// contains filtered or unexported fields
}

Plan Should be used as embedded struct in Plan implementations.

func NewBasePlan

func NewBasePlan(ctx planctx.PlanContext, tp string, qbBlock int) Plan

NewBasePlan creates a new base plan.

func (*Plan) BuildPlanTrace

func (p *Plan) BuildPlanTrace() *tracing.PlanTrace

BuildPlanTrace is to build the plan trace.

func (*Plan) CloneForPlanCache

func (*Plan) CloneForPlanCache(base.PlanContext) (cloned base.Plan, ok bool)

CloneForPlanCache clones the plan for Plan Cache.

func (*Plan) CloneWithNewCtx

func (p *Plan) CloneWithNewCtx(newCtx base.PlanContext) *Plan

CloneWithNewCtx clones the plan with new context.

func (*Plan) ExplainID

func (p *Plan) ExplainID() fmt.Stringer

ExplainID is to get the explain ID.

func (*Plan) ExplainInfo

func (*Plan) ExplainInfo() string

ExplainInfo is to get the explain information.

func (*Plan) ID

func (p *Plan) ID() int

ID is to get the id.

func (*Plan) MemoryUsage

func (p *Plan) MemoryUsage() (sum int64)

MemoryUsage return the memory usage of BasePlan

func (*Plan) OutputNames

func (*Plan) OutputNames() types.NameSlice

OutputNames returns the outputting names of each column.

func (*Plan) QueryBlockOffset

func (p *Plan) QueryBlockOffset() int

QueryBlockOffset is to get the select block offset.

func (*Plan) ReplaceExprColumns

func (*Plan) ReplaceExprColumns(_ map[string]*expression.Column)

ReplaceExprColumns implements Plan interface.

func (*Plan) SCtx

func (p *Plan) SCtx() planctx.PlanContext

SCtx is to get the sessionctx from the plan.

func (*Plan) SetID

func (p *Plan) SetID(id int)

SetID is to set id.

func (*Plan) SetOutputNames

func (*Plan) SetOutputNames(_ types.NameSlice)

SetOutputNames sets the outputting name by the given slice.

func (*Plan) SetSCtx

func (p *Plan) SetSCtx(ctx planctx.PlanContext)

SetSCtx is to set the sessionctx for the plan.

func (*Plan) SetStats

func (p *Plan) SetStats(s *property.StatsInfo)

SetStats sets the stats

func (*Plan) SetTP

func (p *Plan) SetTP(tp string)

SetTP is to set the tp.

func (*Plan) StatsInfo

func (p *Plan) StatsInfo() *property.StatsInfo

StatsInfo is to get the stats info.

func (*Plan) TP

func (p *Plan) TP() string

TP is to get the tp.