On Wed, 1 Sep 2004, sad wrote:
> On Tuesday 31 August 2004 17:49, Michael Glaesemann wrote:
> > On Aug 31, 2004, at 8:24 PM, sad wrote:
> > > and i am still desire to know _WHY_ there are no predefined cast for
> > > BOOL ?
> > > and at the same time there are predefined casts for INT and FLOAT......
> >
> > I think the main reason is what is the proper textual representation of
> > BOOLEAN? True, PostgreSQL returns 't' as a representation for the
> > BOOLEAN value TRUE, but some people might want it to return 'TRUE' or
> > 'true' or other representations. Picking one is perhaps arbitrary.
>
> There are many (infinite number) of INT representations,
> "Picking one is perhaps arbitrary." But you poke one and using it.
There's a fairly accepted convention for integer representations.
There's no such convention for boolean representations.
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