> > > =? as != is a synonum for <>, it would make sense.
> >
> > That was never such a terribly good idea, IMHO.
>
> Agreed. Compilers should give errors and not try to work around bad code.
Is it bad code? Not for people who come from a C/C++/Java background.
They are used to operators such as == != % && || !... Some of these
are available from pg, some are not, so at the time it is incoherent.
Also, I would not like == to mean anything but =, as any other meaning
would be quite error prone to users with a C background.
PostgreSQL is really extensible wrt operators, and I'm not that sure
it is so bad an idea to support "C" flavor operators.
> It would be useful with some flag/variable to set that makes pg generate
> varnings for non standard constructs. Unfortunatly there are so many
> things that are non standard, still using != instead of <> could be a
> usable warning.
You can have two policy. Either you're cool and homogeneous, or either
you're strict. At the time, postgreSQL is rather cool in some place:
!= and <>, ~~ and LIKE... and a little bit inhomogeneous.
--
Fabien.
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