command counter more than necessary. Per report from Michael Fuhr.

estimate to less than the number of values estimated for any one grouping
Var, as suggested by Manfred.  This is intuitively right, and what's
more it puts the plan choices in the subselect regression test back the
way they were before ...

initially NULL.  For 8.0 we changed the main executor to have this
behavior in an UPDATE of an array column, but plpgsql's equivalent case
was overlooked.  Per report from Sven Willenberger.

< * Change LIMIT/OFFSET to use int8
> * Change LIMIT/OFFSET and FETCH/MOVE to use int8

> * Allow GRANT/REVOKE permissions to be inherited by objects based on
>   schema permissions

joins for quite a long time.

fix bug with inconsistent selection of default mask length for
"class D" addresses.  Per report from Steve Atkins.

information.

right in the failure.  We can always re-add it if required.