Method IsNULL

src/sdk/result_set_sql.h:57–57

    bool Next() { return result_set_base_->Next(); }

    bool IsNULL(int index) { return result_set_base_->IsNULL(index); }

    bool GetString(uint32_t index, std::string* str) { return result_set_base_->GetString(index, str); }