Re: Major Feature Interactions

On 2/28/07, Simon Riggs <simon@2ndquadrant.com> wrote:
> There's a number of major features all coming together over the next
> weeks, so I wanted to raise some awareness of possible areas of
> interaction. My concern is more than just "will multiple patches apply
> together?", but extends into whether the features interact with each
> other with synergy, ignore each other or have negative impact.
>
> The projects that concern me are the following internals projects
>
> Plan Invalidation
> Autovacuum changes
> Bitmap indexes
> GIT indexes
> Dead Space Map (DSM)
> HOT Updating
> Updateable cursors
> Restartable VACUUM

What about the interaction of plan invalidation and the security
problems with 'security definer'?  I am especially curious if pl
functions will no longer regenerate their plans with each session for
8.3.  Is that going to be the case?  It wasn't completely clear from
the related discussions AFAICT.

merlin