Re: JSON Patch for PostgreSQL - BSON Support?

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От Joshua D. Drake
Тема Re: JSON Patch for PostgreSQL - BSON Support?
Дата
Msg-id 1281973737.5303.5.camel@jd-desktop.iso-8859-1.charter.com
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Ответ на Re: JSON Patch for PostgreSQL - BSON Support?  (Christopher Browne <cbbrowne@gmail.com>)
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On Mon, 2010-08-16 at 11:40 -0400, Christopher Browne wrote:
> On Mon, Aug 16, 2010 at 11:21 AM, Robert Haas <robertmhaas@gmail.com> wrote:
> > On Mon, Aug 16, 2010 at 11:05 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> >> Andrew Dunstan <andrew@dunslane.net> writes:
> >>> If BSON is simply in effect an efficient encoding of JSON, then it's not
> >>> clear to me that we would want another type at all. Rather, we might
> >>> want to consider storing the data in this supposedly more efficient
> >>> format, and maybe also some conversion routines.
> >>
> >> Hmm, that's an interesting plan ...
> >
> > It is interesting, but I'm not sure that it will actually work out
> > well in practice.  If what we want to do is compress JSON, TOAST will
> > do that for us without any additional code, and probably a lot more
> > efficiently.  Of course, until someone tests it, we're just
> > speculating wildly.
> 
> Yep, that was exactly what struck me.  TOAST is quite likely to be a
> good answer for this.

Except: How much JSON data will actually be TOASTed?

Joshua D. Drake

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