fluencelabs/redis
1
0
Fork 0
mirror of https://github.com/fluencelabs/redis synced 2025-03-30 22:31:03 +00:00
Code Issues Projects Releases Wiki Activity

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

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/db.c
View File

@ -930,6 +930,8 @@ void persistCommand(redisClient *c) {
* API to get key arguments from commands * 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 *getKeysUsingCommandTable(struct redisCommand *cmd,robj **argv, int argc, int *numkeys) {
int j, i = 0, last, *keys; int j, i = 0, last, *keys;
REDIS_NOTUSED(argv); REDIS_NOTUSED(argv);
@ -949,6 +951,11 @@ int *getKeysUsingCommandTable(struct redisCommand *cmd,robj **argv, int argc, in
return keys; 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) { int *getKeysFromCommand(struct redisCommand *cmd,robj **argv, int argc, int *numkeys) {
if (cmd->getkeys_proc) { if (cmd->getkeys_proc) {
return cmd->getkeys_proc(cmd,argv,argc,numkeys); 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) { void getKeysFreeResult(int *result) {
zfree(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; int i, num, *keys;
REDIS_NOTUSED(cmd); REDIS_NOTUSED(cmd);