On Mon, Feb 11, 2019 at 5:25 PM David Rowley
<david.rowley@2ndquadrant.com> wrote:
> On Mon, 11 Feb 2019 at 20:49, PG Bug reporting form
> <noreply@postgresql.org> wrote:
> > https://www.postgresql.org/docs/current/ddl-partitioning.html
> >
> > 5.10.5. Partitioning and Constraint Exclusion
> > Constraint exclusion is only applied during query planning; unlike partition
> > pruning, it cannot be applied during query execution.
> >
> > Is it supposed to be "unlike partition pruning, it can be applied during
> > query execution"?
>
> That's a bit confusing. "it" looks like must have been intended to
> reference constraint exclusion, but since partition pruning was
> mentioned afterwards, then it makes more sense to apply it to that.
>
> Maybe it would be more clear to write:
>
> Constraint exclusion is only applied during query planning; unlike
> partition pruning which can also be applied during query execution.
>
> Small patch doing it that way is attached.
+1
Maybe, the semicolon should be replaced by a comma?
Thanks,
Amit
