Add support for horizontal sharding for Rails 6.1+ #108
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Since Rails 6.1, it is possible for a model to connect to multiple databases. A minimal example of such application is:
With support for multiple databases for a model, one would have something like this in tests:
In
.clean
, however, the bug occurs: it doesn't actually delete or truncate data from the :secondary_db.To fix the bug, DatabaseCleaner should iterate through all connection pools the model is connected to.