persistent

2.8.2

• Added support for sql= to the unique constraints quasi-quoter so that users can specify the database names of the constraints.

2.8.1

• DRY-ed up and exposed several util functions in Database.Persist.Sql.Util.
  • Upstream-ed updatePersistValue, mkUpdateText, and commaSeparated from Database.Persist.MySQL.
  • De-duplicated updatePersistValue from various Database.Persist.Sql.Orphan.* modules.
• Batching enhancements to reduce db round-trips.
  • Added getMany and repsertMany for batched get and repsert.
  • Added putMany with a default/slow implementation. SqlBackend’s that support native UPSERT should override this for batching enhancements.
  • Updated insertEntityMany to replace slow looped usage with batched execution.
• See #770

2.8.0

• Switch from MonadBaseControl to MonadUnliftIO
• Reapplies #723, which was reverted in version 2.7.3.

2.7.3.1

• Improve error messages when failing to parse database results into Persistent records. #741
• A handful of fromPersistField implementations called error instead of returning a Left Text. All of the implementations were changed to return Left. #741
• Improve error message when a SQL insert fails with a custom primary key #757

2.7.3

• Reverts #723, which generalized functions using the BackendCompatible class. These changes were an accidental breaking change.
• Recommend the PersistDbSpecific docs if someone gets an error about converting from PersistDbSpecific

2.7.2 [DEPRECATED ON HACKAGE]

• Many of the functions have been generalized using the BackendCompatible class. #723
  • This change was an accidental breaking change and was reverted in 2.7.3.
  • These change will be released in a future version of Persistent with a major version bump.
• Add raw sql quasi quoters #717

2.7.1

• Added an insertUniqueEntity function #718
• Added BackendCompatible class #701

2.7.0

• Fix upsert behavior #613
• Atomic upsert query fixed for arithmatic operations #662
• Haddock and test coverage improved for upsert

2.6.1

• Fix edge case for \<-. [Nothing]
• Introduce connMaxParams
• Add ‘getJustEntity’ and ‘insertRecord’ convenience function
• Minor Haddock improvment

2.6

• Add connUpsertSql type for providing backend-specific upsert sql support.

2.5

• read/write typeclass split
• add insertOrGet convenience function to PersistUnique

2.2.4.1

• Documentation updates #515

2.2.4

• Workaround for side-exiting transformers in runSqlConn #516

2.2.3

• PersistField instance for Natural
• better oracle support in odbc

2.2.2

• Add liftSqlPersistMPool function
• support http-api-data for url serialization

2.2.1

• Migration failure message with context
• Fix insertKey for composite keys

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

• Better SQL logging Yesod issue #939

2.1.1.3

Parse UTCTime in 8601 format #339

2.1.1.1

Support for monad-control 1.0