Adrian Klaver <adrian.klaver@aklaver.com> writes:
> On 9/26/25 05:18, Ashish Mukherjee wrote:
>> I have a strange requirement to downgrade from pgsql 17 to pgsql 12.
>> This is because we found in production certain incompatibilities between
>> both versions for our database. It should have been caught in testing
>> but was not.
> What are the incompatibilities?
> Might be easier to deal with those then doing the below.
Yeah ... sitting on a PG release that's already a year beyond EOL
is not a sustainable practice. You should consult the last several
release notes for v13 and reflect on the likelihood that most of those
bugs also exist in v12.
regards, tom lane