Re: [HACKERS] READ COMMITTED isolevel is implemented ... - Mailing list pgsql-hackers

Bruce Momjian wrote:
> 
> > Handling of SELECT FOR UPDATE OF > 1 relations is ever more
> > complex. While processing tuples (more than 1 tuple may be
> > returned by join) from child plan P1 created for tuple of table
> 
> I don't think Informix allows FOR UPDATE in a multi-table select.

Oracle does. I don't know about SyBase, DB2 etc.
In any case - this is implemented already -:)

Vadim