"Erik Rijkers" <er@xs4all.nl> writes:
> I have a 200 GB dev database running under 9.4devel that I thought I could now, for test purposes, compile a
patched
> postgres binary for (i.e.: a HEAD + inverse_transition_functions_v1.5.patch.gz binary), so as to avoid an initdb and
use
> the existing 200 GB data.
That's not going to work for any patch that touches the initial contents
of the system catalogs.
> Is there a way I can use the existing database and avoid both initdb and this error?
Use pg_upgrade to move the data into a newly initdb'd directory. Note
you will need both unpatched and patched executables for this.
regards, tom lane
