Tom Lane wrote:
Bruce Momjian <br...@momjian.us> writes:
Andrew Dunstan wrote:
But do earlier server versions accept a value of 3? The 8.4 docs say "The value can be set as high as 2".

That is the other thing I had to hack --- the 8.4 backend version had to
be changed to accept '3'.  The good thing is this has to be done only
once --- once I have the dump file, I can use it in testing repeatedly
because 8.4 does not change.

Eventually the idea would be to have the build farm run such tests (with
a properly created dump file) so we can learn quickly if the backend
data format is changed.

If we're thinking of doing that, it would be better to back-patch the
change that allowed '3'.

                        

Yeah.

It's going to require some fancy dancing to get the buildfarm to do it. Each buildfarm run is for a specific branch, and all the built artefacts are normally thrown away. I'd have to work out a way of stashing the binaries from a build on one branch for use in the pg_upgrade tests in the run on another branch. It's doable but could get messy.


cheers

andrew

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