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Cluster: getKeysFromCommand() and related: top-comments added.

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This commit is contained in:
antirez 2014-03-10 15:24:38 +01:00
parent 787b297046
commit caf7b9b425
1 changed files with 12 additions and 1 deletions
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13
src/db.c
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@ -930,6 +930,8 @@ void persistCommand(redisClient *c) {
* API to get key arguments from commands
* ---------------------------------------------------------------------------*/
/* The base case is to use the keys position as given in the command table
* (firstkey, lastkey, step). */
int *getKeysUsingCommandTable(struct redisCommand *cmd,robj **argv, int argc, int *numkeys) {
int j, i = 0, last, *keys;
REDIS_NOTUSED(argv);
@ -949,6 +951,11 @@ int *getKeysUsingCommandTable(struct redisCommand *cmd,robj **argv, int argc, in
return keys;
}
/* Return keys as an heap allocated array of integers. The length of the array
* is returned by reference into *numkeys.
*
* This function uses the command table if a command-specific helper function
* is not required, otherwise it calls the command-specific function. */
int *getKeysFromCommand(struct redisCommand *cmd,robj **argv, int argc, int *numkeys) {
if (cmd->getkeys_proc) {
return cmd->getkeys_proc(cmd,argv,argc,numkeys);
@ -957,11 +964,15 @@ int *getKeysFromCommand(struct redisCommand *cmd,robj **argv, int argc, int *num
}
}
/* Free the result of getKeysFromCommand. */
void getKeysFreeResult(int *result) {
zfree(result);
}
int *zunionInterGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys) {
/* Helper function to extract keys from following commands:
* ZUNIONSTORE <destkey> <num-keys> <key> <key> ... <key> <options>
* ZINTERSTORE <destkey> <num-keys> <key> <key> ... <key> <options> */
int *zunionInterGetKeys(struct redisCommand *cmd, robj **argv, int argc, int *numkeys) {
int i, num, *keys;
REDIS_NOTUSED(cmd);