PostgreSQL 17

[swiffer]

PostgreSQL 17 is mentioning a change in how functions are using search_path. "Functions used by expression indexes and materialized views that need to reference non-default schemas must specify a search path during function creation."

https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=2af07e2f7

OOTB earthdistance is not specifying a search path causing migration failures as earth_box and ll_to_earth have been used in indexes (they aren't any longer).

Therefore:

• change the migrations executed in the past to allow setup & testsuite to complete when using PostgreSQL 17

And as last indexes involing ll_to_earth / earth_box have been dropped in 20200502140646_drop_unused_indexes.exs / 20191007105010_add_new_fkey_indexes.exs:

• Add a new migration that drops and recreates the extensions so we ensure they are not manipulated any longer (20191008191431_fix_ll_to_earth.exs)
• rework Backup & Restore, as ll_to_earth is not used in indexes anymore the SQL used there is not needed

Updated Solution is taken from here (Adrian mentioned this issue back in 2019 as well):

• ERROR: type "earth" does not exist at character 136 diogob/activerecord-postgres-earthdistance#30 (comment)

Next to upgrading to PostgreSQL 17 I changed / updated some install docs as well to stay in line with currently supported / recommended versions of Grafana & Postgres.

Updated Restore instructions have been tested successfully on my instance.

PostgreSQL issue discussion: https://postgrespro.com/list/thread-id/2377019

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[JakobLichterfeld]

I have read about it as well. I do like the new incremental backups' functionality.

[swiffer]

yes, running on pg17 locally without any problems but see tests failing in the pipeline now 😬

[swiffer]

@JakobLichterfeld - ready for review

[JakobLichterfeld]

Thanks!

We will handle postgres in nix installs in #4227

Next to upgrading to PostgreSQL 17 I changed / updated some install docs as well to stay in line with currently supported / recommended versions of Grafana & Postgres.

Not sure if PostgreSQL 17 is available on freebsd for examle but we can keep it this way.

Updated Restore instructions have been tested successfully on my instance.

I do love the reduction of commands needed.

[JakobLichterfeld]

Thanks for your efforts!

[swiffer]

As docs have been published already and users start installing with PostgreSQL 17 (https://tff-forum.de/t/teslamate-erfahrungs-und-datenthread/84179/2824?u=spongyhat) we should aim for a release soon. Guess you want to finish #4219 first?