persistent-postgresql

Backend for the persistent library using postgresql.

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

Version on this page:2.2.1
LTS Haskell 22.14:2.13.6.1
Stackage Nightly 2024-03-29:2.13.6.1
Latest on Hackage:2.13.6.1

See all snapshots persistent-postgresql appears in

MIT licensed by Felipe Lessa, Michael Snoyman
Maintained by Michael Snoyman
This version can be pinned in stack with:persistent-postgresql-2.2.1@sha256:0992869555d86dee4ff8bf798e50f8218eeec9e9e517445ad43e43bc3ab9688e,1592

Module documentation for 2.2.1

Based on the postgresql-simple package

Changes

2.2.1

  • Fix treatment of NULLs inside arrays. For example, now you can use array_agg on a nullable column.

  • New derived instances for PostgresConf: Read, Data and Typeable.

  • New mockMigration function. Works like printMigration but doesn’t need a database connection.

  • Fix typo on error message of the FromJSON instance of PostgresConf.

2.2

  • Optimize the insertMany function to insert all rows and retrieve their keys in one SQL query. #407

2.1.6

  • Postgresql exceptions #353

2.1.5.3

Migrations for custom primary keys

2.1.5.2

Support foreign key references to composite primary keys #389

2.1.5

  • Allow timestamp value in database to be serialized (presumes UTC timezone) Yesod #391

2.1.4

  • Treat unknown extension types as PersistDbSpecific values #385

2.1.3

2.1.2.1

Documentation typo fix

2.1.1

Added FromJSON instance for PostgresConf.