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ZSCORE implemented

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This commit is contained in:
antirez
2009-10-27 01:06:49 +01:00
parent dbbc7285ee
commit 6e333bbee2
3 changed files with 34 additions and 1 deletions
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32
redis.c
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@ -448,6 +448,7 @@ static void zrangebyscoreCommand(redisClient *c);
static void zrevrangeCommand(redisClient *c);
static void zlenCommand(redisClient *c);
static void zremCommand(redisClient *c);
static void zscoreCommand(redisClient *c);
/*================================= Globals ================================= */
@ -492,6 +493,7 @@ static struct redisCommand cmdTable[] = {
{"zrangebyscore",zrangebyscoreCommand,4,REDIS_CMD_INLINE},
{"zrevrange",zrevrangeCommand,4,REDIS_CMD_INLINE},
{"zlen",zlenCommand,2,REDIS_CMD_INLINE},
{"zscore",zscoreCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM},
{"incrby",incrbyCommand,3,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM},
{"decrby",decrbyCommand,3,REDIS_CMD_INLINE|REDIS_CMD_DENYOOM},
{"getset",getsetCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM},
@ -4159,6 +4161,36 @@ static void zlenCommand(redisClient *c) {
}
}
static void zscoreCommand(redisClient *c) {
robj *o;
zset *zs;
o = lookupKeyRead(c->db,c->argv[1]);
if (o == NULL) {
addReply(c,shared.czero);
return;
} else {
if (o->type != REDIS_ZSET) {
addReply(c,shared.wrongtypeerr);
} else {
dictEntry *de;
zs = o->ptr;
de = dictFind(zs->dict,c->argv[2]);
if (!de) {
addReply(c,shared.nullbulk);
} else {
char buf[128];
double *score = dictGetEntryVal(de);
snprintf(buf,sizeof(buf),"%.16g",*score);
addReplySds(c,sdscatprintf(sdsempty(),"$%d\r\n%s\r\n",
strlen(buf),buf));
}
}
}
}
/* ========================= Non type-specific commands ==================== */
static void flushdbCommand(redisClient *c) {