persistent

Type-safe, multi-backend data serialization.

http://www.yesodweb.com/book/persistent

Version on this page:2.2
LTS Haskell 22.14:2.14.6.1
Stackage Nightly 2024-03-28:2.14.6.1
Latest on Hackage:2.14.6.1

See all snapshots persistent appears in

MIT licensed by Michael Snoyman
This version can be pinned in stack with:persistent-2.2@sha256:2c7bb3cddae3dc100df2aa9c22508d20c91bd73729200668594a796bffa3b115,4541

persistent

Type-safe, data serialization. You must use a specific backend in order to make this useful. For more information, see the chapter in the Yesod book.

Changes

2.2

  • Add a RawSql instance for Key. This allows selecting primary keys using functions like rawSql. #407
  • SqlBackend support for an optimized insertMany

2.1.6

Important! If persistent-template is not upgraded to 2.1.3.3 you might need to make sure Int64 is in scope for your model declarations.

  • add showMigration function
  • explicitly use Int64 for foreign key references

2.1.5

Add dbIdColumnsEsc to Sql.Utils. Used in persistent-postgresql 2.1.5.2

2.1.4

  • Fix getBy with a primary key. #342

2.1.3

  • Break self-referencing cycles in the entity declarations

2.1.2

  • Error with Doubles without a decimal part #378
  • runSqlPool does not perform timeout checks.

2.1.1.6

  • One extra feature for #939: use logDebugN instead

2.1.1.5

2.1.1.3

Parse UTCTime in 8601 format #339

2.1.1.1

Support for monad-control 1.0