Re: MERGE vs REPLACE

Jaime Casanova wrote:
> >
> > And yes merge CAN be used to do REPLACE (oracle uses their dummy table
> > for this, we can use the fact that FROM clause isn't required in postgres).
> >
> 
> the FROM clause is required by default (starting with 8.1) unless you
> change a postgresql.conf parameter.
> 
> and i don't think that idea will have any fan...

No, it is not, try SELECT 1.  Oracle requires SELECT 1 FROM dual.  The
change in 8.1 is that SELECT pg_class.relname no longer works.  You have to
do SELECT relname FROM pg_class.

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