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From aaron morton <aa...@thelastpickle.com>
Subject Re: Re : last record rowId
Date Sun, 19 Jun 2011 19:38:41 GMT
get_range_slice() api call allows you to iterate of the keys in the DB. 

Cheers

-----------------
Aaron Morton
Freelance Cassandra Developer
@aaronmorton
http://www.thelastpickle.com

On 18 Jun 2011, at 05:00, karim abbouh wrote:

> is there any way to remember the keys (rowId) inserted in cassandra database?
> B.R
> 
> De : Jonathan Ellis <jbellis@gmail.com>
> À : user@cassandra.apache.org
> Cc : karim abbouh <karim_rbt@yahoo.fr>
> Envoyé le : Mercredi 15 Juin 2011 18h05
> Objet : Re: last record rowId
> 
> You're better served using UUIDs than numeric row IDs for surrogate
> keys.  (Of course natural keys work fine too.)
> 
> On Wed, Jun 15, 2011 at 9:16 AM, Utku Can Topçu <utku@topcu.gen.tr> wrote:
> > As far as I can tell, this functionality doesn't exist.
> >
> > However you can use such a method to insert the rowId into another column
> > within a seperate row, and request the latest column.
> > I think this would work for you. However every insert would need a get
> > request, which I think would be performance issue somehow.
> >
> > Regards,
> > Utku
> >
> > On Wed, Jun 15, 2011 at 11:14 AM, karim abbouh <karim_rbt@yahoo.fr> wrote:
> >>
> >> in my java application,when we try to insert we should all the time know
> >> the last rowId
> >> in order the insert the new record in rowId+1,so for that we should save
> >> this rowId in a file
> >> is there other way to know the last record rowId?
> >> thanks
> >> B.R
> >
> >
> 
> 
> 
> -- 
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of DataStax, the source for professional Cassandra support
> http://www.datastax.com
> 
> 


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