Re: BUG #1517: SQL interval syntax is accepted by the parser,

Roy Badami <roy@gnomon.org.uk> writes:
>     Tom> In particular we have to consider the behavior of the input
>     Tom> and output routines for cases like COPY.

> Hmm, but COPY is non-standard, so I'd be happy that it insisted on
> postgres interval syntax.

It's not different from

INSERT INTO foo VALUES('1 year 1 month');

Nothing nonstandard about that that I can see.

> ANSI interval syntax is confusing in this
> context, precisely because there is nowhere to actually put an
> 'interval qualifier' in the literals.

Yes.  The ISO design for the datatype is pretty brain-dead if you ask
me --- the basic meaning of a data literal shouldn't be so dependent
on context.  Still, it's there, and we should make some effort towards
supporting all but the really awfulest parts of it ;-)

            regards, tom lane