Re: More outdated examples

OK, readded.  Thanks.

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Peter Eisentraut wrote:
> The specific case that Tom complained about wasn't even in the latest
> documentation sources anymore.  I think the patch should be reverted.
> 
> Bruce Momjian writes:
> 
> >
> > The following applied patch removes the section Tom thought wasn't
> > needed anymore.
> >
> > ---------------------------------------------------------------------------
> >
> > Tom Lane wrote:
> > > Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > > > I can find no suitable replacement for this example.  Can anyone else?
> > >
> > > > Peter Eisentraut wrote:
> > > >> This example in User's Guide section 7.2 doesn't work anymore at all:
> > > >>
> > > >> tgl=> select @ text '-4.5' as "abs";
> > >
> > > Both of the examples in this section have been obsoleted by our recent
> > > elimination of a lot of implicit casts.  This one would still work if
> > > text-to-float8 were an implicit cast, but it's not anymore.  Also,
> > > though the second one still acts as described, the reason given for it
> > > in the text is wrong: the system is not unable to choose among multiple
> > > alternatives.  Rather, it finds *no* alternatives, again because the
> > > text-to-various-int-types casts are no longer implicit.
> > >
> > > The closest similar cases that I can find for the first example are not
> > > good replacements because they are also slated for destruction :-(.
> > > Basically, I see us moving away from the preferred-type mechanism, and
> > > perhaps eliminating it entirely soon.
> > >
> > > I'd just remove the whole of Example 7.3, I think.  The mechanisms are
> > > still there, for now, but they are not invoked in any standard cases.
> > >
> > >             regards, tom lane
> > >
> >
> >
> 
> -- 
> Peter Eisentraut   peter_e@gmx.net
> 
> 
> 

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