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Top comment for getNodeByQuery() improved.

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antirez 2013-02-15 11:50:54 +01:00
parent 6b641f3aeb
commit 20f52b5b78
1 changed files with 5 additions and 5 deletions
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src/cluster.c
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@ -1901,16 +1901,16 @@ void askingCommand(redisClient *c) {
* Cluster functions related to serving / redirecting clients
* -------------------------------------------------------------------------- */
/* Return the pointer to the cluster node that is able to serve the query
* as all the keys belong to hash slots for which the node is in charge.
/* Return the pointer to the cluster node that is able to serve the command.
* 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
* 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.
*
* If the request contains more than a single key NULL is returned,
* however a request with more then a key argument where the key is always
* the same is valid, like in: RPOPLPUSH mylist mylist.*/
* If the command contains multiple keys, and as a consequence it is not
* possible to handle the request in Redis Cluster, NULL is returned. */
clusterNode *getNodeByQuery(redisClient *c, struct redisCommand *cmd, robj **argv, int argc, int *hashslot, int *ask) {
clusterNode *n = NULL;
robj *firstkey = NULL;