Re: patch: Add JSON datatype to PostgreSQL (GSoC, WIP)

Excerpts from David E. Wheeler's message of mar oct 19 16:36:20 -0300 2010:
> On Oct 19, 2010, at 12:17 PM, Robert Haas wrote:
> 
> > I think we should take a few steps back and ask why we think that
> > binary encoding is the way to go.  We store XML as text, for example,
> > and I can't remember any complaints about that on -bugs or
> > -performance, so why do we think JSON will be different?  Binary
> > encoding is a trade-off.  A well-designed binary encoding should make
> > it quicker to extract a small chunk of a large JSON object and return
> > it; however, it will also make it slower to return the whole object
> > (because you're adding serialization overhead).  I haven't seen any
> > analysis of which of those use cases is more important and why.
> 
> Maybe someone has numbers on that for the XML type?

Like these?
http://exificient.sourceforge.net/?id=performance

-- 
Álvaro Herrera <alvherre@commandprompt.com>
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