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# Changelog for persistent-postgresql
## 2.13.6.2
* [#1536](https://github.com/yesodweb/persistent/pull/1536/)
* Build with GHC 9.10
## 2.13.6.1
* [#1518](https://github.com/yesodweb/persistent/pull/1518)
* Normalize postgres type aliases to prevent noop migrations
## 2.13.6
* [#1511](https://github.com/yesodweb/persistent/pull/1511)
* Add the `createPostgresqlPoolTailored` function to support creating
connection pools with a custom connection creation function.
* Expose `getServerVersion` and `createBackend` for user's convenience.
* [#1516](https://github.com/yesodweb/persistent/pull/1516)
* Support postgresql-simple 0.7 and postgresql-libpq 0.10
## 2.13.5.2
* [#1471](https://github.com/yesodweb/persistent/pull/1471)
* Explicitly import `Control.Monad.Trans.lift` to support mtl-2.3.
## 2.13.5.1
* [#1459](https://github.com/yesodweb/persistent/pull/1459)
* Make use of `CautiousMigration` type alias for clarity.
## 2.13.5.0
* [#1362](https://github.com/yesodweb/persistent/pull/1362/)
* Define `withPostgresqlPoolModifiedWithVersion`
## 2.13.4.1
* [#1367](https://github.com/yesodweb/persistent/pull/1367),
[#1366](https://github.com/yesodweb/persistent/pull/1367),
[#1338](https://github.com/yesodweb/persistent/pull/1338),
[#1335](https://github.com/yesodweb/persistent/pull/1335)
* Support GHC 9.2
## 2.13.4.0
* [#1341](https://github.com/yesodweb/persistent/pull/1341)
* Add `SqlBackendHooks` to allow for instrumentation of queries.
* [#1327](https://github.com/yesodweb/persistent/pull/1327)
* Update backend to support new `StatementCache` interface
## 2.13.3.0
* [#1349](https://github.com/yesodweb/persistent/pull/1349)
* Add `BackendCompatible (RawPostgresql b) (RawPostgresql b)` instance.
## 2.13.2.2
* [#1351](https://github.com/yesodweb/persistent/pull/1351/)
* Support `aeson-2.0` in test suite.
## 2.13.2.1
* [#1331](https://github.com/yesodweb/persistent/pull/1331)
* Fixes a bug where `upsertWhere` would fail on a database table with
`MigrationOnly` fields.
## 2.13.2.0
* [#1316](https://github.com/yesodweb/persistent/pull/1316)
* Expose some internals in the new `Database.Persist.Postgresql.Internal` module.
This gives access to the `P` newtype, which is used for de-serializing `PersistValue`s
from `postgresql-simple` code.
## 2.13.1.0
* [#1305](https://github.com/yesodweb/persistent/pull/1305)
* Add `RawPostgresql` wrapper, which exposes the underlying Postgres connection used
to construct a `SqlBackend`.
## 2.13.0.3
* [#1290](https://github.com/yesodweb/persistent/pull/1290)
* Fix the code path for adding references to previously defined columns.
## 2.13.0.2
* Actually release the SafeTORemove fix
## 2.13.0.1
* [#1275](https://github.com/yesodweb/persistent/pull/1275)
* Fix `SafeToRemove`
## 2.13.0.0
* [#1225](https://github.com/yesodweb/persistent/pull/1225)
* Support `persistent-2.13.0.0` making SQlBackend internal
# 2.12.1.1
* [#1235](https://github.com/yesodweb/persistent/pull/1235)
* `upsertWhere` and `upsertManyWhere` only worked in cases where a `Primary`
key was defined on a record, and no other uniqueness constraints. They
have been fixed to only work with records that have a single Uniqueness
constraint defined.
## 2.12.1.0
* Added `upsertWhere` and `upsertManyWhere` to `persistent-postgresql`. [#1222](https://github.com/yesodweb/persistent/pull/1222).
## 2.12.0.0
* Decomposed `HaskellName` into `ConstraintNameHS`, `EntityNameHS`, `FieldNameHS`. Decomposed `DBName` into `ConstraintNameDB`, `EntityNameDB`, `FieldNameDB` respectively. [#1174](https://github.com/yesodweb/persistent/pull/1174)
* Fix XML conversion [#1192](https://github.com/yesodweb/persistent/pull/1192)
## 2.11.0.1
* Fix foreign key migrations [#1167] https://github.com/yesodweb/persistent/pull/1167
* Fix a bug where a foreign key of a field to its table was ignored.
* Fix a bug where a altering details of a foreign key didn't trigger a migration
## 2.11.0.0
* Foreign Key improvements [#1121] https://github.com/yesodweb/persistent/pull/1121
* It is now supported to refer to a table with an auto generated Primary Kay
* It is now supported to refer to non-primary fields, using the keyword `References`
* Implement interval support. [#1053](https://github.com/yesodweb/persistent/pull/1053)
* [#1060](https://github.com/yesodweb/persistent/pull/1060)
* The QuasiQuoter now supports `OnDelete` and `OnUpdate` cascade options.
* Handle foreign key constraint names over 63 characters. See [#996](https://github.com/yesodweb/persistent/pull/996) for details.
* Fix a bug in `upsertSql` query which had not been discovered previously because the query wasn't actually used. [#856](https://github.com/yesodweb/persistent/pull/856)
* [#1072](https://github.com/yesodweb/persistent/pull/1072) Refactored `test/JSONTest.hs` to use `hspec`
* added `runConn_` to run a db connection and return result
* Renamed `db` to `runConnAssert` in `test/PgInit.hs` for clarity
* Ran `test/ArrayAggTest.hs` (which was previously written but not being run)
* Remove unnecessary deriving of Typeable [#1114](https://github.com/yesodweb/persistent/pull/1114)
* Add support for configuring the number of stripes and idle timeout for connection pools [#1098](https://github.com/yesodweb/persistent/pull/1098)
* `PostgresConf` has two new fields to configure these values.
* Its `FromJSON` instance will default stripes to 1 and idle timeout to 600 seconds
* If you're constructing a `PostgresConf` manually, this is a breaking change
* Add `createPostgresqlPoolWithConf` and `withPostgresqlPoolWithConf`, which take a `PostgresConf` for the new configuration.
## 2.10.1.2
* Fix issue with multiple foreign keys on single column. [#1010](https://github.com/yesodweb/persistent/pull/1010)
## 2.10.1.1
* Compatibility with latest persistent-template for test suite [#1002](https://github.com/yesodweb/persistent/pull/1002/files)
## 2.10.1
* Added support for the `constraint=` attribute to the Postgresql backend. [#979](https://github.com/yesodweb/persistent/pull/979)
## 2.10.0
* Added question mark operators (`(?.), (?|.), (?&.)`) to `Database.Persist.Postgresql.JSON` [#863](https://github.com/yesodweb/persistent/pull/863)
* Changes to certain types:
* `PersistValue`: added `PersistArray` data constructor
* `Filter`: Changed the `filterValue :: Either a [a]` to `filterValue :: FilterValue`
## 2.9.1
* Add `openSimpleConnWithVersion` function. [#883](https://github.com/yesodweb/persistent/pull/883)
## 2.9.0
* Added support for SQL isolation levels to via SqlBackend. [#812]
* Fix [832](https://github.com/yesodweb/persistent/issues/832): `repsertMany` now matches `mapM_ (uncurry repsert)` and is atomic.
## 2.8.2
Added module `Database.Persist.Postgresql.JSON` [#793](https://github.com/yesodweb/persistent/pull/793)
* `PersistField` and `PersistFieldSql` instances for `Data.Aeson.Value`
* Filter operators `(@>.)` and `(<@.)` to filter on JSON values
## 2.8.1.1
* Added a more detailed error message when a `numeric` column's scale and precision can't be parsed. [#781](https://github.com/yesodweb/persistent/pull/781)
## 2.8.1
* Implemented `connPutManySql` to utilize batched `putMany`. [#770](https://github.com/yesodweb/persistent/pull/770)
## 2.8.0
* Switch from `MonadBaseControl` to `MonadUnliftIO`
## 2.6.3
* Added new function `migrateEnableExtension`, to enable Postgres extensions in migrations.
## 2.6.2.2
* Because `text` and `varchar` are synonyms in Postgresql, don't attempt to migrate between them. [#762](https://github.com/yesodweb/persistent/pull/762)
## 2.6.2.1
* Fix bug where, if a custom column width was set, the field would be migrated every time [#742](https://github.com/yesodweb/persistent/pull/742)
## 2.6.2
* Expose new functions: `withPostgresqlPoolWithVersion`, `withPostgresqlConnWithVersion` and `createPostgresqlPoolModifiedWithVersion`.
## 2.6.1
* Match changes in persistent
* Clean up warnings
## 2.6
* Atomic upsert support for postgreSQL backend
## 2.5
* changes for read/write typeclass split
## 2.2.2
* Postgresql primary key is Int4, not Int8 [#519](https://github.com/yesodweb/persistent/issues/519)
## 2.2.1.2
* Allow postgresql-simple 0.5
## 2.2.1.1
Query pg_catalog instead of information_schema for metadata.
This helps with permission issues as reported in issue #501
## 2.2.1
* Fix treatment of `NULL`s 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](https://github.com/yesodweb/persistent/pull/407)
## 2.1.6
* Postgresql exceptions [#353](https://github.com/yesodweb/persistent/issues/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](https://github.com/yesodweb/persistent/issues/391)
## 2.1.4
* Treat unknown extension types as PersistDbSpecific values [#385](https://github.com/yesodweb/persistent/pull/385)
## 2.1.3
* Added a `Show` instance for `PostgresConf`.
* `createPostgresqlPoolModified` added, see [relevant mailing list discussion](https://groups.google.com/d/msg/yesodweb/qUXrEN_swEo/O0pFwqwQIdcJ)
## 2.1.2.1
Documentation typo fix
## 2.1.1
Added `FromJSON` instance for `PostgresConf`.
|
