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SRANDMEMBER added

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antirez 2009-10-21 10:50:24 +02:00
parent f69f2cbafe
commit 2abb95a9a8
2 changed files with 29 additions and 0 deletions
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1
redis-cli.c
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@ -81,6 +81,7 @@ static struct redisCommand cmdTable[] = {
{"sismember",3,REDIS_CMD_BULK},
{"scard",2,REDIS_CMD_INLINE},
{"spop",2,REDIS_CMD_INLINE},
{"srandmember",2,REDIS_CMD_INLINE},
{"sinter",-2,REDIS_CMD_INLINE},
{"sinterstore",-3,REDIS_CMD_INLINE},
{"sunion",-2,REDIS_CMD_INLINE},

28
redis.c
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@ -385,6 +385,7 @@ static void smoveCommand(redisClient *c);
static void sismemberCommand(redisClient *c);
static void scardCommand(redisClient *c);
static void spopCommand(redisClient *c);
static void srandmemberCommand(redisClient *c);
static void sinterCommand(redisClient *c);
static void sinterstoreCommand(redisClient *c);
static void sunionCommand(redisClient *c);
@ -436,6 +437,7 @@ static struct redisCommand cmdTable[] = {
{"sismember",sismemberCommand,3,REDIS_CMD_BULK},
{"scard",scardCommand,2,REDIS_CMD_INLINE},
{"spop",spopCommand,2,REDIS_CMD_INLINE},
{"srandmember",srandmemberCommand,2,REDIS_CMD_INLINE},
{"sinter",sinterCommand,-2,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM},
{"sinterstore",sinterstoreCommand,-3,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM},
{"sunion",sunionCommand,-2,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM},
@ -3387,6 +3389,31 @@ static void spopCommand(redisClient *c) {
}
}
static void srandmemberCommand(redisClient *c) {
robj *set;
dictEntry *de;
set = lookupKeyRead(c->db,c->argv[1]);
if (set == NULL) {
addReply(c,shared.nullbulk);
} else {
if (set->type != REDIS_SET) {
addReply(c,shared.wrongtypeerr);
return;
}
de = dictGetRandomKey(set->ptr);
if (de == NULL) {
addReply(c,shared.nullbulk);
} else {
robj *ele = dictGetEntryKey(de);
addReplyBulkLen(c,ele);
addReply(c,ele);
addReply(c,shared.crlf);
}
}
}
static int qsortCompareSetsByCardinality(const void *s1, const void *s2) {
dict **d1 = (void*) s1, **d2 = (void*) s2;
@ -4629,6 +4656,7 @@ static struct redisFunctionSym symsTable[] = {
{"sismemberCommand", (unsigned long)sismemberCommand},
{"scardCommand", (unsigned long)scardCommand},
{"spopCommand", (unsigned long)spopCommand},
{"srandmemberCommand", (unsigned long)srandmemberCommand},
{"sinterCommand", (unsigned long)sinterCommand},
{"sinterstoreCommand", (unsigned long)sinterstoreCommand},
{"sunionCommand", (unsigned long)sunionCommand},