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persistent-mtl v0.2.0.0 Release Notes

Release Date: 2020-12-07 // almost 4 years ago
    • 👉 Use a separate monad within withTransaction to prevent unsafe/arbitrary IO actions (#7, #28)
    • ➕ Add MonadRerunnableIO to support IO actions within withTransaction only if the IO action is determined to be rerunnable
    • ➕ Add built-in support for retrying transactions if a serialization error occurs
    • ✂ Remove SqlQueryRep as an export from Database.Persist.Monad. You shouldn't ever need it for normal usage. It is now re-exported by Database.Persist.Monad.TestUtils, since most of the usage of SqlQueryRep is in mocking queries. If you need it otherwise, you can import it directly from Database.Persist.Monad.SqlQueryRep.

Previous changes from v0.1.0.1

  • 🛠 Fix quickstart