Function slotToKeyUpdateKey

src/db.cpp:2465–2467

Slot to Key API. This is used by Redis Cluster in order to obtain in * a fast way a key that belongs to a specified hash slot. This is useful * while rehashing the cluster and in other conditions when we need to * understand if we have keys for a given hash slot. */

 * while rehashing the cluster and in other conditions when we need to
 * understand if we have keys for a given hash slot. */
void slotToKeyUpdateKey(sds key, int add) {
    slotToKeyUpdateKeyCore(key, sdslen(key), add);
}

void slotToKeyUpdateKeyCore(const char *key, size_t keylen, int add) {
    serverAssert(GlobalLocksAcquired());