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
}
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
}