Re: Casting numeric to text

On Mon, Apr 09, 2001 at 05:57:45PM +0200, Peter Eisentraut wrote:
> Cedar Cox writes:
> 
> > When would one want to use cast()?  What is the difference between cast
> > and :: ?  After a quick look in the documentation I couldn't find
> > anything..
> 
> cast() is SQL, :: is traditional Postgres.  :: may go away in the distant
> future to make room for the SQL feature that is supposed to use ::.  (It
> escapes me at the moment what that was.)


FYI, I can't find an occurance of '::' that's not part of '::=' in either
SQL1992.txt or the ansi-iso-[sql]-1999.txt files I've got.

But Peter's answer's still correct: CAST( <value> AS <type> ) is SQL
standard, '::' is not.

Ross