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SSCAN implemented.

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This commit is contained in:
antirez 2013-10-28 11:17:32 +01:00
parent dfeaa84d46
commit 4a1f1cc0d7
3 changed files with 13 additions and 1 deletions
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2
src/redis.c
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@ -165,6 +165,7 @@ struct redisCommand redisCommandTable[] = {
{"sdiff",sdiffCommand,-2,"rS",0,NULL,1,-1,1,0,0},
{"sdiffstore",sdiffstoreCommand,-3,"wm",0,NULL,1,-1,1,0,0},
{"smembers",sinterCommand,2,"rS",0,NULL,1,1,1,0,0},
{"sscan",sscanCommand,-3,"rR",0,NULL,1,1,1,0,0},
{"zadd",zaddCommand,-4,"wm",0,NULL,1,1,1,0,0},
{"zincrby",zincrbyCommand,4,"wm",0,NULL,1,1,1,0,0},
{"zrem",zremCommand,-3,"w",0,NULL,1,1,1,0,0},
@ -1227,6 +1228,7 @@ void createSharedObjects(void) {
shared.emptymultibulk = createObject(REDIS_STRING,sdsnew("*0\r\n"));
shared.pong = createObject(REDIS_STRING,sdsnew("+PONG\r\n"));
shared.queued = createObject(REDIS_STRING,sdsnew("+QUEUED\r\n"));
shared.emptyscan = createObject(REDIS_STRING,sdsnew("*2\r\n$1\r\n0\r\n*0\r\n"));
shared.wrongtypeerr = createObject(REDIS_STRING,sdsnew(
"-WRONGTYPE Operation against a key holding the wrong kind of value\r\n"));
shared.nokeyerr = createObject(REDIS_STRING,sdsnew(

4
src/redis.h
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@ -504,7 +504,7 @@ struct sharedObjectsStruct {
*masterdownerr, *roslaveerr, *execaborterr, *noautherr, *noreplicaserr,
*oomerr, *plus, *messagebulk, *pmessagebulk, *subscribebulk,
*unsubscribebulk, *psubscribebulk, *punsubscribebulk, *del, *rpop, *lpop,
*lpush,
*lpush, *emptyscan,
*select[REDIS_SHARED_SELECT_CMDS],
*integers[REDIS_SHARED_INTEGERS],
*mbulkhdr[REDIS_SHARED_BULKHDR_LEN], /* "*<value>\r\n" */
@ -1194,6 +1194,7 @@ void signalFlushedDb(int dbid);
unsigned int getKeysInSlot(unsigned int hashslot, robj **keys, unsigned int count);
unsigned int countKeysInSlot(unsigned int hashslot);
int verifyClusterConfigWithData(void);
void scanGenericCommand(redisClient *c, robj *o);
/* API to get key arguments from commands */
#define REDIS_GETKEYS_ALL 0
@ -1286,6 +1287,7 @@ void sunionCommand(redisClient *c);
void sunionstoreCommand(redisClient *c);
void sdiffCommand(redisClient *c);
void sdiffstoreCommand(redisClient *c);
void sscanCommand(redisClient *c);
void syncCommand(redisClient *c);
void flushdbCommand(redisClient *c);
void flushallCommand(redisClient *c);

8
src/t_set.c
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@ -906,3 +906,11 @@ void sdiffCommand(redisClient *c) {
void sdiffstoreCommand(redisClient *c) {
sunionDiffGenericCommand(c,c->argv+2,c->argc-2,c->argv[1],REDIS_OP_DIFF);
}
void sscanCommand(redisClient *c) {
robj *set;
if ((set = lookupKeyReadOrReply(c,c->argv[1],shared.emptyscan)) == NULL ||
checkType(c,set,REDIS_SET)) return;
scanGenericCommand(c,set);
}