Method GetEntryForKey

cpp/src/arrow/acero/asof_join_node.cc:338–341

  }

  std::optional<const Entry*> GetEntryForKey(ByType key) const {
    auto e = entries_.find(key);
    return entries_.end() == e ? std::nullopt : std::optional<const Entry*>(&e->second);
  }

  bool RemoveEntriesWithLesserTime(OnType ts) {
    DEBUG_SYNC(node_, "memo ", index_, " remove: ts=", ts, DEBUG_MANIP(std::endl));