Added to TODO:
* Allow all data types to cast to and from TEXT
http://archives.postgresql.org/pgsql-hackers/2007-04/msg00017.php
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Tom Lane wrote:
> Peter Eisentraut <peter_e@gmx.net> writes:
> > The attached patch changes all implicit casts to text to assignment and
> > cleans up the associated regression test damage. This change has been
> > discussed for the longest time; I propose that we bite the bullet and
> > do it now.
>
> [ I'm assuming this isn't an April-fool item, otherwise never mind ]
>
> The scheme that was in the back of my mind was to do this at the same
> time as providing a general facility for casting *every* type to and
> from text, by means of their I/O functions if no specialized cast is
> provided in pg_cast. This would improve functionality, thus providing
> a salve to the annoyance of users whose code the restriction breaks:
> we can certainly argue that it wouldn't do for all those automatically
> created casts to be implicit. At the same time it'd let us eliminate
> redundant text-to/from-foo code that's currently in place for some but
> not all datatypes.
>
> If we do only the restrictive part of this, it's a harder sale.
>
> So, +1 on the concept, but I think we want a larger patch, and it's
> probably too late for that for 8.3.
>
> regards, tom lane
>
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