Commit 20f52b5b authored by antirez's avatar antirez
Browse files

Top comment for getNodeByQuery() improved.

parent 6b641f3a
...@@ -1901,16 +1901,16 @@ void askingCommand(redisClient *c) { ...@@ -1901,16 +1901,16 @@ void askingCommand(redisClient *c) {
* Cluster functions related to serving / redirecting clients * Cluster functions related to serving / redirecting clients
* -------------------------------------------------------------------------- */ * -------------------------------------------------------------------------- */
/* Return the pointer to the cluster node that is able to serve the query /* Return the pointer to the cluster node that is able to serve the command.
* as all the keys belong to hash slots for which the node is in charge. * For the function to succeed the command should only target a single
* key (or the same key multiple times).
* *
* If the returned node should be used only for this request, the *ask * If the returned node should be used only for this request, the *ask
* integer is set to '1', otherwise to '0'. This is used in order to * integer is set to '1', otherwise to '0'. This is used in order to
* let the caller know if we should reply with -MOVED or with -ASK. * let the caller know if we should reply with -MOVED or with -ASK.
* *
* If the request contains more than a single key NULL is returned, * If the command contains multiple keys, and as a consequence it is not
* however a request with more then a key argument where the key is always * possible to handle the request in Redis Cluster, NULL is returned. */
* the same is valid, like in: RPOPLPUSH mylist mylist.*/
clusterNode *getNodeByQuery(redisClient *c, struct redisCommand *cmd, robj **argv, int argc, int *hashslot, int *ask) { clusterNode *getNodeByQuery(redisClient *c, struct redisCommand *cmd, robj **argv, int argc, int *hashslot, int *ask) {
clusterNode *n = NULL; clusterNode *n = NULL;
robj *firstkey = NULL; robj *firstkey = NULL;
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment