Re: Best data structure for...

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Re: Best data structure for...

Ernst-2
Hi,
One option would be to use a dictionary per key. Then use the observer design
pattern for keeping them consistent.
But maybe your OODB offers already a solution?
Regards
Ernst
 

> chunsj at embian.com chunsj at embian.com
>  Mon Nov 26 01:22:30 UTC 2007
>
> Hi,
>
> my data class has following attributes;
>
> title
> content
> creation date
> modified date
> type
>
> and except content, the collection of
> elements of this data shlould be indexed; that is,
> title, creation/modified date and type be key.
>
> If single key is required, then dictionary will be my choice(or
> should I use tree?). What is the best data structure for multiple
> keyed data? This question has been one of my hurddle to the
> OODB; if like now, sql db will be used, I know how to handle this.
>
> Thanks in advance.
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Re: Re: Best data structure for...

Chun, Sungjin
Hi,

don't know whether magma or omnibase does have solution for this.
It seems that I/devloper does have to provide properly designed data
structure...

----- Original Message -----
   From: Ernst <[hidden email]>
   To: [hidden email]
   Sent: 07-11-26 18:00:11
   Subject: Re: [Seaside] Re: Best data structure for...

  Hi,
One option would be to use a dictionary per key. Then use the observer design
pattern for keeping them consistent.
But maybe your OODB offers already a solution?
Regards
Ernst
 

> chunsj at embian.com chunsj at embian.com
>  Mon Nov 26 01:22:30 UTC 2007
>
> Hi,
>
> my data class has following attributes;
>
> title
> content
> creation date
> modified date
> type
>
> and except content, the collection of
> elements of this data shlould be indexed; that is,
> title, creation/modified date and type be key.
>
> If single key is required, then dictionary will be my choice(or
> should I use tree?). What is the best data structure for multiple
> keyed data? This question has been one of my hurddle to the
> OODB; if like now, sql db will be used, I know how to handle this.
>
> Thanks in advance.
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Re: Re: Best data structure for...

Carlos Lenz-2
Check these pages:
About MagmaCollections - http://wiki.squeak.org/squeak/2639
Magma Queries - http://wiki.squeak.org/squeak/5859


Carlos Lenz

On Nov 26, 2007 8:41 AM, "S.J.Chun" <[hidden email]> wrote:

> Hi,
>
> don't know whether magma or omnibase does have solution for this.
> It seems that I/devloper does have to provide properly designed data
> structure...
>
>
> ----- Original Message -----
>    From: Ernst <[hidden email]>
>    To: [hidden email]
>    Sent: 07-11-26 18:00:11
>    Subject: Re: [Seaside] Re: Best data structure for...
>
>   Hi,
> One option would be to use a dictionary per key. Then use the observer design
> pattern for keeping them consistent.
> But maybe your OODB offers already a solution?
> Regards
> Ernst
>
> > chunsj at embian.com chunsj at embian.com
> >  Mon Nov 26 01:22:30 UTC 2007
> >
> > Hi,
> >
> > my data class has following attributes;
> >
> > title
> > content
> > creation date
> > modified date
> > type
> >
> > and except content, the collection of
> > elements of this data shlould be indexed; that is,
> > title, creation/modified date and type be key.
> >
> > If single key is required, then dictionary will be my choice(or
> > should I use tree?). What is the best data structure for multiple
> > keyed data? This question has been one of my hurddle to the
> > OODB; if like now, sql db will be used, I know how to handle this.
> >
> > Thanks in advance.
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
>
> _______________________________________________
> seaside mailing list
> [hidden email]
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>
>
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