tracing

type CETraceRecord struct {
	TableName string `json:"table_name"`
	Type      string `json:"type"`
	Expr      string `json:"expr"`
	TableID   int64  `json:"-"`
	RowCount  uint64 `json:"row_count"`
}

type CallbackRecorder func(sp basictracer.RawSpan)

type CandidatePlanTrace struct {
	*PlanTrace
	MappingLogicalPlan string `json:"mapping"`
}

type LogicalOptimizeTracer struct {
	FinalLogicalPlan []*PlanTrace                 `json:"final"`
	Steps            []*LogicalRuleOptimizeTracer `json:"steps"`
	// contains filtered or unexported fields
}

type LogicalRuleOptimizeTraceStep struct {
	Action string `json:"action"`
	Reason string `json:"reason"`
	TP     string `json:"type"`
	ID     int    `json:"id"`
	Index  int    `json:"index"`
}

type LogicalRuleOptimizeTracer struct {
	RuleName string                         `json:"name"`
	Before   []*PlanTrace                   `json:"before"`
	Steps    []LogicalRuleOptimizeTraceStep `json:"steps"`
	Index    int                            `json:"index"`
}

type OptimizeTracer struct {
	// Logical indicates logical plan
	Logical *LogicalOptimizeTracer `json:"logical"`
	// Physical indicates physical plan
	Physical *PhysicalOptimizeTracer `json:"physical"`
	// FinalPlan indicates the plan after post optimize
	FinalPlan []*PlanTrace `json:"final"`
	// IsFastPlan indicates whether the plan is generated by fast plan
	IsFastPlan bool `json:"isFastPlan"`
}

type PhysicalOptimizeTracer struct {
	PhysicalPlanCostDetails map[int]*PhysicalPlanCostDetail `json:"costs"`
	Candidates              map[int]*CandidatePlanTrace     `json:"candidates"`
	// final indicates the final physical plan trace
	Final []*PlanTrace `json:"final"`
}

type PhysicalPlanCostDetail struct {
	Params map[string]interface{} `json:"params"`
	TP     string                 `json:"type"`
	Desc   string                 `json:"desc"`
	ID     int                    `json:"id"`
}

type PlanTrace struct {
	TP         string `json:"type"`
	ProperType string `json:"property"`
	// ExplainInfo should be implemented by each implemented Plan
	ExplainInfo string       `json:"info"`
	Children    []*PlanTrace `json:"-"`
	ChildrenID  []int        `json:"children"`
	ID          int          `json:"id"`
	Cost        float64      `json:"cost"`
	Selected    bool         `json:"selected"`
	// contains filtered or unexported fields
}

type Region struct {
	*trace.Region
	opentracing.Span
}