Re: Rewriting select statements

[Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>]

"Phil Cairns" <phil(at)pagaros(dot)com(dot)au> writes:
> I want to have the server do this:
> If the query has no where clause, use a where clause of "where 1=0". 

> Is this possible?

It's doubtless *possible*, but if you're asking for it to actually
happen in any supported version of Postgres, the answer is no way.
It's directly contrary to the SQL standard.

> Why would I want to do this? Because a third party library (ArcGIS) has a
> "feature" such that when a relation name is registered with it, it does a
> "select * from <relation>" and then does nothing with the results.

Tell the library authors to fix their broken code.  This is blithering
stupidity in *any* SQL database, not only Postgres.

			regards, tom lane