Many thanks!

On Fri, Apr 16, 2021 at 2:07 PM Mike Bayer <mike...@zzzcomputing.com> wrote:

>
>
> On Fri, Apr 16, 2021, at 7:15 AM, Nikola Radovanovic wrote:
>
> Hi,
> we have one Postgres DB with multiple schemes:
>
>    1. general (one schema, contains users and some common and data shared
>    between clients/clusters)
>    2. client schemes: c_client_1, c_client_2, c_client_3, etc. (all
>    clients have same table layout, and have some access to general schema)
>    3. cluster schemes: cl_cluster_1, cl_cluster_2, cl_cluster_3, etc.
>    (all clusters have same table layout, and have some access to general
>    schema)
>
> Basically, I want to find the best possible way to handle migrations -
> preferably using one env.py/alembic.ini.
>
>
> yes, use the recipe for passing --name, but you can have everything in one
> alembic.ini file and one env.py file as long as that file knows how to
> respond to the different environments
>
>
>
>
>
> Each client/cluster should have its migration table in its own schema and
> general has its own migration table in general schema. Client and cluster
> will share base class with.
>
> What I noticed is when using schema_translation_map, table layout is
> detected OK, but when I run migration next time, it does not detect changes
> in tables, but entire tables again. I guess it is due
> schema_translation_map is not used then.
>
>
> schema_translate_map is not supported by migrations right now:
> https://github.com/sqlalchemy/alembic/issues/555
>
> use the search_path recipe at
> https://alembic.sqlalchemy.org/en/latest/cookbook.html#rudimental-schema-level-multi-tenancy-for-postgresql-databases
> , this has been tested.
>
>
>
>
>
>
>
> Thank you in advance.
>
> Regards
>
>
> --
> You received this message because you are subscribed to the Google Groups
> "sqlalchemy-alembic" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to sqlalchemy-alembic+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/sqlalchemy-alembic/ed08c030-f35a-49c7-9ee3-5b263a7177a9n%40googlegroups.com
> <https://groups.google.com/d/msgid/sqlalchemy-alembic/ed08c030-f35a-49c7-9ee3-5b263a7177a9n%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
>
>
> --
> You received this message because you are subscribed to a topic in the
> Google Groups "sqlalchemy-alembic" group.
> To unsubscribe from this topic, visit
> https://groups.google.com/d/topic/sqlalchemy-alembic/KRHod6Jbero/unsubscribe
> .
> To unsubscribe from this group and all its topics, send an email to
> sqlalchemy-alembic+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/sqlalchemy-alembic/bf8aa229-cb51-431d-a599-969a5592a262%40www.fastmail.com
> <https://groups.google.com/d/msgid/sqlalchemy-alembic/bf8aa229-cb51-431d-a599-969a5592a262%40www.fastmail.com?utm_medium=email&utm_source=footer>
> .
>

-- 
You received this message because you are subscribed to the Google Groups 
"sqlalchemy-alembic" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to sqlalchemy-alembic+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/sqlalchemy-alembic/CAH3us8S1OB8mM-ajP%3Daf4ER1_GTDSwKC-LRGHyW_rjCf5vG4yA%40mail.gmail.com.

Reply via email to