newLISP and big data?

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hilti
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newLISP and big data?

Post by hilti »

Hi!

I've just come across this blog post and wondered if the Gist shown there is newLISP? Because the use of (nth) looks pretty familiar to me.

http://blog.bugsense.com/post/499247554 ... me-android

What Do You think?

Code: Select all

(load "stdlib.lql")
(load "dblib.lql")
 
(timespace "day")
 
(define string-row *stream*)
 
(let ((row (reverse
            (string-split (str string-row) ":"))))
  (if (= (length row) 4)
    (begin
      (let ((os-ver (nth row 0))
            (phone-model (nth row 1))
            (error-class (nth row 2)))
      (incdb "sessions" 1)
      (incdb (session-by "osver" os-ver) 1)
      (incdb (session-by "device" phone-model) 1)
      (incdb (session-by "error" error-class) 1)
      (incdb (session-by-crash "os_ver_class" os-ver error-class) 1)
      (incdb (session-by-crash "device_class" phone-model error-class) 1)
 
      (push! (unique "os_ver") os-ver)
      (push! (unique "device") phone-model)
      (push! (unique "error_class") error-class)))
      #f))

Update:
A full blown custom LISP language written in C to implement queries, which is many times faster that having a VM (with a garbage collector) online all the time
http://highscalability.com/blog/2012/11 ... -mobi.html
--()o Dragonfly web framework for newLISP
http://dragonfly.apptruck.de

cormullion
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Joined: Tue Nov 29, 2005 8:28 pm
Location: latiitude 50N longitude 3W
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Re: newLISP and big data?

Post by cormullion »

Don't think so - the #f is Scheme/Lisp isn't it?

jopython
Posts: 123
Joined: Tue Sep 14, 2010 3:08 pm

Re: newLISP and big data?

Post by jopython »

The function definition tells me it is not newlisp

(define string-row *stream*)

cormullion
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Joined: Tue Nov 29, 2005 8:28 pm
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Re: newLISP and big data?

Post by cormullion »

That could be a symbol definition though...?

rickyboy
Posts: 607
Joined: Fri Apr 08, 2005 7:13 pm
Location: Front Royal, Virginia

Re: newLISP and big data?

Post by rickyboy »

There are some "tells" in the code that says it's not newLISP.

1. Their nth has its arguments reversed as compared to newLISP's nth.

2. They're using #f for boolean false (ostensibly).

3. Their push! is newLISP's push (ostensibly).

4. Their string-split is newLISP's parse (probably).

5. Their str is newLISP's string (ostensibly).

There could be more.
(λx. x x) (λx. x x)

rickyboy
Posts: 607
Joined: Fri Apr 08, 2005 7:13 pm
Location: Front Royal, Virginia

Re: newLISP and big data?

Post by rickyboy »

hilti wrote:Update:
A full blown custom LISP language written in C to implement queries, which is many times faster that having a VM (with a garbage collector) online all the time
http://highscalability.com/blog/2012/11 ... -mobi.html
Nice article, Marc! Their solution is even more badass given the fact that they pursued such an economical but still very powerful way to store and query their data. Thanks for sharing! --Rick
(λx. x x) (λx. x x)

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