Function migrateGetKeys

app/redis-6.2.6/src/db.c:1763–1788

}

int migrateGetKeys(struct redisCommand *cmd, robj **argv, int argc, getKeysResult *result) {
    int i, num, first, *keys;
    UNUSED(cmd);

    /* Assume the obvious form. */
    first = 3;
    num = 1;

    /* But check for the extended one with the KEYS option. */
    if (argc > 6) {
        for (i = 6; i < argc; i++) {
            if (!strcasecmp(argv[i]->ptr,"keys") &&
                sdslen(argv[3]->ptr) == 0)
            {
                first = i+1;
                num = argc-first;
                break;
            }
        }
    }

    keys = getKeysPrepareResult(result, num);
    for (i = 0; i < num; i++) keys[i] = first+i;
    result->numkeys = num;
    return num;
}

/* Helper function to extract keys from following commands:
 * GEORADIUS key x y radius unit [WITHDIST] [WITHHASH] [WITHCOORD] [ASC|DESC]