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esqueleto/changelog.md
Ben Levy a319d13bee
[Experimental] More powerful queries (#215) 
* Initial attempt at Lateral joins

* Fix lateral queries for Inner and Left joins. Remove for Full and Right as this is apparently illegal(who knew). Add TypeError on Full and Right joins. Update on clause to use a custom constraint instead of relying on ToFrom.

* Fix typo leading to erroneous ToFrom instance

* Implement non-recursive CTE's

* add withRecursive; cleanup whitespace

* Fix multiple recursive CTEs. Apparently the spec just wants RECURSIVE if any of the queries are recursive.

* Add test to verify that a CTE can reference a previously defined CTE

* Update with/Recursive to return an element of a from clause to allow for joins against CTEs

* Modify set operations to use a custom data type + typeclass + typefamily to allow direct use of SqlQuery a in set operation and to allow recursive cte's to unify syntax with SqlSetOperation. Added lowercase names for set operations. If we can migrate off the constructor names we may be able to simplify the implementation.

* Fixed haddock documentation issue from v3.3.4.0 and added documentation
for new features introduced by v3.4.0.0

* fixed comments that were changed while debugging haddock build

* Cleanup formatting in From per PR. Cleanup ValidOnClause, added documentation and reduced the number of instances

* Update src/Database/Esqueleto/Experimental.hs

Co-authored-by: charukiewicz <charukiewicz@protonmail.com>
Co-authored-by: Matt Parsons <parsonsmatt@gmail.com>
2020-10-28 21:37:17 -06:00

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3.4.0.0
=======
- @belevy, @charukiewicz
- [#215](https://github.com/bitemyapp/esqueleto/pull/215)
- Added support for common table expressions (`with`, `withRecursive`)
- Added support for lateral JOINs with updated example (Example #6)
- Deprecated `SelectQuery`, removing the neccessity to tag `SqlQuery` values
- Deprecated use of data constructors for SQL set operations (replaced with functions)
- Refactored module structure to fix haddock build (fixes build from `3.3.4.0`)
3.3.4.1
=======
- @maxgabriel
- [#214](https://github.com/bitemyapp/esqueleto/pull/214)
- Add suggested hlint rules for proper `isNothing` usage
3.3.4.0
=======
- @parsonsmatt
- [#205](https://github.com/bitemyapp/esqueleto/pull/205)
- More documentation on the `Experimental` module
- `Database.Esqueleto.Experimental` now reexports `Database.Esqueleto`, so
the new "approved" import syntax is less verbose. Before, you'd write:
```haskell
import Database.Esqueleto hiding (from, on)
import Database.Esqueleto.Experimental
```
Now you can merely write:
```haskell
import Database.Esqueleto.Experimental
```
Users will get 'redundant import' warnings if they followed the original
syntax, the solution is evident from the error message provided.
3.3.3.3
=======
- @belevy
- [#191](https://github.com/bitemyapp/esqueleto/pull/191) - Bugfix rollup:
Fix issue with extra characters in generated SQL;
Fix ToAliasReference for already referenced values;
Fix Alias/Reference for Maybe Entity
- @maxgabriel
- [#203](https://github.com/bitemyapp/esqueleto/pull/203) Document `isNothing`
- @sestrella
- [#198](https://github.com/bitemyapp/esqueleto/pull/198) - Allow PostgreSQL aggregate functions to take a filter clause
3.3.3.2
========
- @maxgabriel
- [#190](https://github.com/bitemyapp/esqueleto/pull/190) Further document and test `ToBaseId`
3.3.3.1
========
- @belevy
- [#189](https://github.com/bitemyapp/esqueleto/pull/189) - Fix bug in function calls with
aliased values introduced by SubQuery joins.
3.3.3.0
========
- @belevy
- [#172](https://github.com/bitemyapp/esqueleto/pull/172) - Introduce new
experimental module for joins, set operations (eg UNION), and safer queries
from outer joins.
3.3.2
========
- @belevy
- [#177](https://github.com/bitemyapp/esqueleto/pull/177) Fix natural key handling in (^.)
3.3.1.1
========
- @parsonsmatt
- [#170](https://github.com/bitemyapp/esqueleto/pull/170) Add documentation to `groupBy` to explain tuple nesting.
3.3.1
========
- @charukiewicz, @belevy, @joemalin95
- [#167](https://github.com/bitemyapp/esqueleto/pull/167): Exposed functions that were added in `3.3.0`
3.3.0
========
- @charukiewicz, @belevy, @joemalin95
- [#166](https://github.com/bitemyapp/esqueleto/pull/166): Add several common SQL string functions: `upper_`, `trim_`, `ltrim_`, `rtrim_`, `length_`, `left_`, `right_`
3.2.3
========
- @hdgarrood
- [#163](https://github.com/bitemyapp/esqueleto/pull/163): Allow `unsafeSqlFunction` to take up to 10 arguments without needing to nest tuples.
3.2.2
========
- @parsonsmatt
- [#161](https://github.com/bitemyapp/esqueleto/pull/161/): Fix an issue where
nested joins didn't get the right on clause.
3.2.1
========
- @parsonsmatt
- [#159](https://github.com/bitemyapp/esqueleto/pull/159): Add an instance of `UnsafeSqlFunction ()` for 0-argument SQL
functions.
3.2.0
========
- @parsonsmatt
- [#153](https://github.com/bitemyapp/esqueleto/pull/153): Deprecate
`sub_select` and introduce `subSelect`, `subSelectMaybe`, and
`subSelectUnsafe`.
- @parsonsmatt
- [#156](https://github.com/bitemyapp/esqueleto/pull/156): Remove the
restriction that `on` clauses must appear in reverse order to the joining
tables.
3.1.3
========
- @JoseD92
- [#155](https://github.com/bitemyapp/esqueleto/pull/149): Added `insertSelectWithConflict` postgres function.
3.1.2
========
- @tippenein
- [#149](https://github.com/bitemyapp/esqueleto/pull/157): Added `associateJoin` query helpers.
3.1.1
=======
- @JoseD92
- [#149](https://github.com/bitemyapp/esqueleto/pull/149): Added `upsert` support.
- @parsonsmatt
- [#133](https://github.com/bitemyapp/esqueleto/pull/133): Added `renderQueryToText` and related functions.
3.1.0
=======
- @Vlix
- [#128](https://github.com/bitemyapp/esqueleto/pull/128): Added `Database.Esqueleto.PostgreSQL.JSON` module with JSON operators and `JSONB` data type.
- @ibarrae
- [#127](https://github.com/bitemyapp/esqueleto/pull/127): Added `between` and support for composite keys in `unsafeSqlBinOp`.
3.0.0
=======
- @parsonsmatt
- [#122](https://github.com/bitemyapp/esqueleto/pull/122): Support `persistent-2.10.0`. This is a breaking change due to the removal of deprecated exports from the `persistent` library.
- [#113](https://github.com/bitemyapp/esqueleto/pull/113): Remove the `esqueleto` type class. To migrate here, use `SqlExpr`, `SqlQuery`, and `SqlBackend` instead of using the polymorphic `Esqueleto sqlExpr sqlQuery sqlBackend => ...` types.
2.7.0
=======
- @parsonsmatt
- [#117](https://github.com/bitemyapp/esqueleto/pull/117): Removed `sqlQQ` and `executeQQ` functions from export, fixing doc build and building with `persistent` >= 2.9
2.6.1
=======
- @ChrisCoffey
- [#114](https://github.com/bitemyapp/esqueleto/pull/114): Fix Haddock by
working around an upstream bug.
2.6.0
========
- @bitemyapp
- Reorganized dependencies, decided to break compatibility for Conduit 1.3, Persistent 2.8, and `unliftio`.
- Moved tests for `random()` into database-specific test suites.
- Deprecated Language `random_`, split it into database-specific modules.
- @parsonsmatt
- Added support for `PersistQueryRead`/`PersistQueryWrite`, enabling type-safe differentation of read and write capabilities.
- https://github.com/bitemyapp/esqueleto/pull/66
- @sestrella
- Added support for `arrayAggDistinct` and `arrayRemove`.
- https://github.com/bitemyapp/esqueleto/pull/65
- https://github.com/bitemyapp/esqueleto/pull/66
- @mheinzel
- Fixed JOIN syntax in the documentation https://github.com/bitemyapp/esqueleto/pull/60
- @illmade
- Added instructions for running database specific tests
- https://github.com/bitemyapp/esqueleto/pull/64
- @FintanH
- Removed CPP from the test suite, split the database-specific tests into their own respective modules.
- https://github.com/bitemyapp/esqueleto/pull/48
- Added support for PostgreSQL's `now()`
- https://github.com/bitemyapp/esqueleto/pull/46
- Added a comprehensive examples project to make practical application of Esqueleto easier.
- https://github.com/bitemyapp/esqueleto/pull/40
- @EdwardBetts
- Fixed a spelling error
- https://github.com/bitemyapp/esqueleto/pull/52
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