Esempio n. 1
0
func decodeIteratorOptions(pb *internal.IteratorOptions) (*IteratorOptions, error) {
	opt := &IteratorOptions{
		Interval:   decodeInterval(pb.GetInterval()),
		Dimensions: pb.GetDimensions(),
		Fill:       FillOption(pb.GetFill()),
		FillValue:  pb.GetFillValue(),
		StartTime:  pb.GetStartTime(),
		EndTime:    pb.GetEndTime(),
		Ascending:  pb.GetAscending(),
		Limit:      int(pb.GetLimit()),
		Offset:     int(pb.GetOffset()),
		SLimit:     int(pb.GetSLimit()),
		SOffset:    int(pb.GetSOffset()),
		Dedupe:     pb.GetDedupe(),
	}

	// Set expression, if set.
	if pb.Expr != nil {
		expr, err := ParseExpr(pb.GetExpr())
		if err != nil {
			return nil, err
		}
		opt.Expr = expr
	}

	// Convert and decode variable references.
	if fields := pb.GetFields(); fields != nil {
		opt.Aux = make([]VarRef, len(fields))
		for i, ref := range fields {
			opt.Aux[i] = decodeVarRef(ref)
		}
	} else {
		opt.Aux = make([]VarRef, len(pb.GetAux()))
		for i, name := range pb.GetAux() {
			opt.Aux[i] = VarRef{Val: name}
		}
	}

	// Convert and dencode sources to measurements.
	sources := make([]Source, len(pb.GetSources()))
	for i, source := range pb.GetSources() {
		mm, err := decodeMeasurement(source)
		if err != nil {
			return nil, err
		}
		sources[i] = mm
	}
	opt.Sources = sources

	// Set condition, if set.
	if pb.Condition != nil {
		expr, err := ParseExpr(pb.GetCondition())
		if err != nil {
			return nil, err
		}
		opt.Condition = expr
	}

	return opt, nil
}
Esempio n. 2
0
func decodeIteratorOptions(pb *internal.IteratorOptions) (*IteratorOptions, error) {
	opt := &IteratorOptions{
		Aux:        pb.GetAux(),
		Interval:   decodeInterval(pb.GetInterval()),
		Dimensions: pb.GetDimensions(),
		Fill:       FillOption(pb.GetFill()),
		FillValue:  pb.GetFillValue(),
		StartTime:  pb.GetStartTime(),
		EndTime:    pb.GetEndTime(),
		Ascending:  pb.GetAscending(),
		Limit:      int(pb.GetLimit()),
		Offset:     int(pb.GetOffset()),
		SLimit:     int(pb.GetSLimit()),
		SOffset:    int(pb.GetSOffset()),
		Dedupe:     pb.GetDedupe(),
	}

	// Set expression, if set.
	if pb.Expr != nil {
		expr, err := ParseExpr(pb.GetExpr())
		if err != nil {
			return nil, err
		}
		opt.Expr = expr
	}

	// Convert and encode sources to measurements.
	sources := make([]Source, len(pb.GetSources()))
	for i, source := range pb.GetSources() {
		mm, err := decodeMeasurement(source)
		if err != nil {
			return nil, err
		}
		sources[i] = mm
	}
	opt.Sources = sources

	// Set condition, if set.
	if pb.Condition != nil {
		expr, err := ParseExpr(pb.GetCondition())
		if err != nil {
			return nil, err
		}
		opt.Condition = expr
	}

	return opt, nil
}