Hello Giovanni,

You are doing a bigger step in one upgrade. I would suggest the following approach to get the DB differences:

• Do a pg_dump -s for the database schema on the existing 4.4.x DB
• Install the new 5.4.x kamailio postgres DB on a test server etc..
• Do a pg_dump -s for the new database schema on the test server
• Compare the two schemas e.g. with diff or similar tool
• Use this to create an ALTER TABLE to (a copy) of the old database on a test server and test
• Alternatively you can of course also use other SQL techniques to insert the old data into the new one

Cheers,

Henning

From: sr-users <sr-users-bounces@lists.kamailio.org> On Behalf Of Giovanni Tommasini - timenet srl
Sent: Wednesday, September 29, 2021 10:06 AM
To: sr-users@lists.kamailio.org
Subject: [SR-Users] upgrade kamailio 4.4.x-to-5.0.0 - PostgreSQL migrations

Hi Dears,

I'm working on upgrading Kamailio from 4.4.6 to 5.4.0 in an installation where I use PostgreSQL

I understand that I have to upgrade in steps by following these links:
- http://www.kamailio.org/wiki/install/upgrade/4.4.x-to-5.0.0

- http://www.kamailio.org/wiki/install/upgrade/5.0.x-to-5.1.0

- https://www.kamailio.org/wiki/install/upgrade/5.1.x-to-5.2.0

- https://www.kamailio.org/wiki/install/upgrade/5.2.x-to-5.3.0

- https://www.kamailio.org/wiki/install/upgrade/5.3.x-to-5.4.0

in most of these links, in the section "Database", I find only the subsection "MySQL Database Structure", but I don't find the indications for DB migrations for PostgreSQL Database.

Only here https://www.kamailio.org/wiki/install/upgrade/5.2.x-to-5.3.0 I found both the subsection "MySQL Database Structure" and "PostgreSQL Database Structure".

What does this mean?

- that I'm getting lost in a glass of water?
- or that I don't have to make any changes to PostgreSQL?
- or that the queries to be launched on PostgreSQL are the same as those for MySQL? I would discard this hypothesis
- or that the wiki sections for PostgreSQL are missing? If this were the case, I could proceed with the update and then share the queries I launched to update the wiki.

thanks a lot

Giovanni Tommasini