Re: Upgrade postgres from v10 to v14

I recently upgrade some of our databases from 9.6 to 14.1.
I used pg_upgrade and there wasn’t any diffrences in code level. Everything was perfect

Best regards
Abbas

> On 11 Jan 2022, at 5:21 PM, Daulat <daulat(dot)dba(at)gmail(dot)com> wrote:
>
> 
> Thanks !
>
>
>> On Tue, Jan 11, 2022 at 2:20 PM Holger Jakobs <holger(at)jakobs(dot)com> wrote:
>> Am 11.01.22 um 09:44 schrieb Daulat:
>> > Hello Team,
>> >
>> > We are planning to upgrade our existing Postgres v10 to v14 .
>> > I need to know the best practices for upgrades and major differences
>> > between PostgreSQL v10 and v14, primarily to identify code level impact.
>> >
>> > Thanks,
>> >
>> Hello,
>>
>> Have a look at https://www.postgresql.org/about/featurematrix/ for the
>> differences between versions. For code level impact (which will be very
>> small, maybe non-existant), you may read the release notes of the
>> versions 11 thru 14.
>>
>> https://www.postgresql.org/docs/11/release.html
>> https://www.postgresql.org/docs/12/release.html
>> https://www.postgresql.org/docs/13/release.html
>> https://www.postgresql.org/docs/14/release.html
>>
>> The topic upgrading is well described at
>> https://www.postgresql.org/docs/current/upgrading.html
>>
>> If your database isn't large, I'd recommend pg_dump + psql, but if it's
>> large, pg_upgrade is a must.
>>
>> Regards,
>>
>> Holger
>>
>> --
>> Holger Jakobs, Bergisch Gladbach, Tel. +49-178-9759012
>>