Function hrenameCommand

src/t_hash.cpp:969–997

}

void hrenameCommand(client *c) {
    robj *o = nullptr;
    const unsigned char *vstr;
    unsigned int vlen;
    long long ll;

    if ((o = lookupKeyWriteOrReply(c,c->argv[1],shared.null[c->resp])) == nullptr ||
        checkType(c,o,OBJ_HASH)) return;

    if (hashTypeGetValue(o, szFromObj(c->argv[2]), &vstr, &vlen, &ll) != C_OK)
    {
        addReplyError(c, "hash key doesn't exist");
        return;
    }

    sds sdsT = nullptr;
    if (vstr != nullptr)
    {
        sdsT = sdsnewlen(vstr, vlen);
    }
    else
    {
        sdsT = sdsfromlonglong(ll);
    }

    hashTypeDelete(o, szFromObj(c->argv[2]));
    hashTypeSet(o, szFromObj(c->argv[3]), sdsT, HASH_SET_TAKE_VALUE);
    addReplyLongLong(c, 1);
}

static void harndfieldReplyWithZiplist(client *c, unsigned int count, ziplistEntry *keys, ziplistEntry *vals) {
    for (unsigned long i = 0; i < count; i++) {