Re: Picture with Postgres and Delphi

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От scott.marlowe
Тема Re: Picture with Postgres and Delphi
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Msg-id Pine.LNX.4.33.0309101038560.16561-100000@css120.ihs.com
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Ответ на Re: Picture with Postgres and Delphi  ("Derrick Betts" <Derrick@grifflink.com>)
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text types are limited to ~1 Gig depending on things like encoding and
what not, you might get as much as 2 gig per record.

On Wed, 10 Sep 2003, Derrick Betts wrote:

> Is the size limit 8K for 'text' field types as well?
>
> ----- Original Message -----
> From: "Guy Fraser" <guy@incentre.net>
> To: <pgsql-general@postgresql.org>
> Sent: Wednesday, September 10, 2003 9:40 AM
> Subject: Re: [GENERAL] Picture with Postgres and Delphi
>
>
> > What is the size limit of bytea, I thought it was 8K?
> >
> > How do you dump your database when you have bytea, do you need to do a
> > binary dump?
> >
> > What are you using to insert the binary data?
> >
> > Thank you in advance.
> >
> > Guy
> >
> > Jonathan Bartlett wrote:
> >
> > >>For the education of me and maybe others too, why was
> > >>that?  i.e. what problems did you run into, that bytea avoids?
> > >>
> > >>
> > >>
> > >
> > >Compared to the filesystem, bytea provides data integrity.
> > >
> > >Bytea gives you remote access, which you can cache if needed.
> > >
> > >Bytea gives you the same permissions as anything else in Postgres, so you
> > >don't have to worry about that separately.
> > >
> > >Compared to BLOBs, bytea's are just simpler.  You can select them with a
> > >single statement, you don't have to worry about leaving unreferenced
> > >BLOBs, and, after 4 billion inserts, byteas are still meaningful while
> > >BLOBs might not be. (due to OID problems).
> > >
> > >Jon
> > >
> > >
> > >
> > >
> > >>__________________________________
> > >>Do you Yahoo!?
> > >>Yahoo! SiteBuilder - Free, easy-to-use web site design software
> > >>http://sitebuilder.yahoo.com
> > >>
> > >>
> > >>
> > >
> > >
> > >---------------------------(end of broadcast)---------------------------
> > >TIP 5: Have you checked our extensive FAQ?
> > >
> > >               http://www.postgresql.org/docs/faqs/FAQ.html
> > >
> > >
> > >
> > >
> >
> > --
> > Guy Fraser
> > Network Administrator
> > The Internet Centre
> > 780-450-6787 , 1-888-450-6787
> >
> > There is a fine line between genius and lunacy, fear not, walk the
> > line with pride. Not all things will end up as you wanted, but you
> > will certainly discover things the meek and timid will miss out on.
> >
> >
> >
> >
> >
> > ---------------------------(end of broadcast)---------------------------
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> >
> >                http://archives.postgresql.org
>
>
> ---------------------------(end of broadcast)---------------------------
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