Method findOrCreate

src/QLContext.actor.cpp:189–199

	void delref() override { ReferenceCounted<FDBPlugin>::delref(); }

	Reference<DocumentDeferred> findOrCreate(Reference<DocTransaction> tr, DataKey const& key) {
		ASSERT(key.size() > 1);
		std::string documentPrefix = key.keyPrefix(2).toString();
		auto deferredDocument = tr->deferredDocuments.find(documentPrefix);
		if (deferredDocument == tr->deferredDocuments.end())
			deferredDocument =
			    tr->deferredDocuments
			        .insert(std::make_pair(documentPrefix, Reference<DocumentDeferred>(new DocumentDeferred())))
			        .first;
		return (*deferredDocument).second;
	}

	Future<Optional<DataValue>> get(Reference<DocTransaction> tr, DataKey key) override {
		return FDBPlugin_get(key, tr);