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added HSETNX

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This commit is contained in:
Pieter Noordhuis
2010-04-15 12:48:13 +02:00
parent 7fb16bacae
commit 1f1c769518
3 changed files with 41 additions and 1 deletions
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16
redis.c
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@ -705,6 +705,7 @@ static void substrCommand(redisClient *c);
static void zrankCommand(redisClient *c);
static void zrevrankCommand(redisClient *c);
static void hsetCommand(redisClient *c);
static void hsetnxCommand(redisClient *c);
static void hgetCommand(redisClient *c);
static void hmsetCommand(redisClient *c);
static void hmgetCommand(redisClient *c);
@ -783,6 +784,7 @@ static struct redisCommand cmdTable[] = {
{"zrank",zrankCommand,3,REDIS_CMD_BULK,NULL,1,1,1},
{"zrevrank",zrevrankCommand,3,REDIS_CMD_BULK,NULL,1,1,1},
{"hset",hsetCommand,4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
{"hsetnx",hsetnxCommand,4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
{"hget",hgetCommand,3,REDIS_CMD_BULK,NULL,1,1,1},
{"hmset",hmsetCommand,-4,REDIS_CMD_BULK|REDIS_CMD_DENYOOM,NULL,1,1,1},
{"hmget",hmgetCommand,-3,REDIS_CMD_BULK,NULL,1,1,1},
@ -6247,6 +6249,20 @@ static void hsetCommand(redisClient *c) {
server.dirty++;
}
static void hsetnxCommand(redisClient *c) {
robj *o;
if ((o = hashLookupWriteOrCreate(c,c->argv[1])) == NULL) return;
hashTryConversion(o,c->argv,2,3);
if (hashExists(o, c->argv[2])) {
addReply(c, shared.czero);
} else {
hashReplace(o,c->argv[2],c->argv[3]);
addReply(c, shared.cone);
server.dirty++;
}
}
static void hmsetCommand(redisClient *c) {
int i;
robj *o;