On Sat, 2005-07-02 at 18:29 -0400, Alvaro Herrera wrote:
> On Sat, Jul 02, 2005 at 03:56:48PM -0400, Bruce Momjian wrote:
>
> > Simon Riggs wrote:
> > >
> > > I enclose a fully working implementation of Constraint Exclusion, a very
> > > basic form of Partitioning. Initial review is requested, to allow us all
> > > to assess what further work is required on this prior to Beta freeze.
>
> save a typo in a comment, it said "OR" and the code said "and" in one
> of the truth tables
There is one place where I say if OR => OR then use the AND truth table,
which could possible say "use the same truth table as AND". So the
comment, and the code are correct there.
Best Regards, Simon Riggs
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
