Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:
> Here's how cross version upgrade testing works. It uses a cached version of the binaries and data directory. The
cacheis only refreshed if there's a buildfarm run on that branch. If not, the cached version will just sit there till
kingdomcome. So all this should normally need for the non-live branches is a one-off adjustment in the cached version
ofthe regression database along the lines I have indicated. My cached versions of 9.2 and 9.3 are two years old.
Hmm, okay, so patching this on gitmaster wouldn't help anyway.
> But another alternative would be to have the buildfarm module run (on
> versions older than 9.5):
> drop operator @#@ (NONE, bigint);
> CREATE OPERATOR @#@ (
> PROCEDURE = factorial,
> RIGHTARG = bigint
> );
> On reflection I think that's probably the simplest solution. It will avoid any surprises if the cached version is
rebuilt,and at the same time preserve testing the prefix operator.
Works for me.
regards, tom lane