Function newShardId

fdbclient/SystemData.cpp:412–424

    serverKeysFalse;

const UID newShardId(const uint64_t physicalShardId, AssignEmptyRange assignEmptyRange, UnassignShard unassignShard) {
	uint64_t split = 0;
	if (assignEmptyRange) {
		split = emptyShardId;
	} else if (unassignShard) {
		split = 0;
	} else {
		do {
			split = deterministicRandom()->randomUInt64();
		} while (split == anonymousShardId.second() || split == 0 || split == emptyShardId);
	}
	return UID(physicalShardId, split);
}

const Key serverKeysKey(UID serverID, const KeyRef& key) {
	BinaryWriter wr(Unversioned());