Method ToString

be/src/exprs/anyval-util.h:236–238

  }

  static std::string ToString(const StringVal& v) {
    return std::string(reinterpret_cast<char*>(v.ptr), v.len);
  }

  static StringVal FromString(FunctionContext* ctx, const std::string& s) {
    StringVal val = FromBuffer(ctx, s.c_str(), s.size());