Method AppendValue

cpp/src/arrow/json/from_string.cc:363–379

  Status Init() override { return this->MakeConcreteBuilder(&builder_); }

  Status AppendValue(const rj::Value& json_obj) override {
    if (json_obj.IsNull()) {
      return this->AppendNull();
    }
    if (json_obj.IsString()) {
      int32_t precision, scale;
      DecimalValue d;
      auto view = std::string_view(json_obj.GetString(), json_obj.GetStringLength());
      RETURN_NOT_OK(DecimalValue::FromString(view, &d, &precision, &scale));
      if (scale != decimal_type_->scale()) {
        return Status::Invalid("Invalid scale for decimal: expected ",
                               decimal_type_->scale(), ", got ", scale);
      }
      return builder_->Append(d);
    }
    return JSONTypeError("decimal string", json_obj.GetType());
  }

  std::shared_ptr<ArrayBuilder> builder() override { return builder_; }