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- Determine if the module has persistence.
- Clone the module code.
- Run the unit tests for the module, making a note of any failed tests.
- Determine a method for running the unit tests using postgres 12.
- Run the tests and compare the results with the results prior to the upgrade.
- If there are any breakages investigate them and document them.
I also ran pg_upgrade on the data in the testing-backend vagrant. See below (below the table) for the results of that. It seems to have gone well.
Notes on code this investigation used
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