this fixes the bug where setting the entry in he process table no longer works
under FreeBSD ... basically, if setproctitle() exists, use it ...

the draw back right now is the PS_SET_STATUS stuff doesn't work, but am looking
into that one right now ... at lesat now you can see who is connecting where
and from where ...

Add two checks ... one for setproctitle and one for -lutil ...

Don't do anything with them at this time, but am working on that ...

Make it behave correctly when there are more than two tables being
joined, also.  Update regression test expected outputs.

 Reported by Adrian Oboroc <aoboroc@btr.md>.

mappings.  In fact, it had them backward because it was using the 6.5.*
code.  Copied them from parser/gram.y, so it is fixed now.  Looks like
our first 7.0.1 fix.  Oops, seems Tom has beat me to it as I was typing
this.

It's still pretty fundamentally bogus :-(.
Freebie side benefit: ALTER TABLE RENAME works on indexes now.

loading new data, for consistency with its handling of pg_shadow.

Thanks
Andreas

to need this updatepgproc.sql script after all...

Rearrange handling of VACUUMs so that they are certain to be executed
as superuser not some random user; also, do not forget to vacuum
template1 itself.

failure of rename() call.

available C++ header files.