Tuesday, October 25, 2016

Migrations with multiple databases

We have a couple of databases with a tiny number of tables, but django-migrations has still go through all the migrations anyway.
So even if the SQL itself is nothing it still takes a massive amount of time and memory for the usual known issues with migrations on big projects.

I guess it works this way because it only knows at run time in the router if something should be done, however it's a bit odd.

If we declared the models per database somehow statically, could we not just skip everything else?

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