Function decodeServerKeysValue

fdbclient/SystemData.cpp:476–500

}

void decodeServerKeysValue(const ValueRef& value, bool& assigned, bool& emptyRange, UID& id) {
	if (value.size() == 0) {
		assigned = false;
		emptyRange = false;
		id = UID();
	} else if (value == serverKeysTrue) {
		assigned = true;
		emptyRange = false;
		id = anonymousShardId;
	} else if (value == serverKeysTrueEmptyRange) {
		assigned = true;
		emptyRange = true;
		id = anonymousShardId;
	} else if (value == serverKeysFalse) {
		assigned = false;
		emptyRange = false;
		id = UID();
	} else {
		BinaryReader rd(value, IncludeVersion());
		ASSERT(rd.protocolVersion().hasShardEncodeLocationMetaData());
		rd >> id;
		assigned = id.second() != 0;
		emptyRange = id.second() == emptyShardId;
	}
}

const KeyRef cacheKeysPrefix = LiteralStringRef("\xff\x02/cacheKeys/");