Re: invalidating cached plans

In article <6028.1110785150@sss.pgh.pa.us>,
Tom Lane <tgl@sss.pgh.pa.us> writes:

> One possible approach is to do the invalidation on a sufficiently coarse
> grain that we don't care.  For example, I would be inclined to make any
> change in a table's schema invalidate all plans that use that table at
> all; that would then subsume the constraint problem for instance.  This
> doesn't solve the inlined function problem however.

How about using an even coarser grain?  Whenever something in the
database in question changes, blindly throw away all cached plans for
this DB.