56e4b83e5c
* It works? * Add multiple return values back in * Allow order by alias * Support groupBy and count, Returning value from a fromQuery now will make it into an alias * Eliminate Alias type, TODO: finish implementing all the functions on Value for the alias constructors * Add entity support to subqueries * Cleanup duplication; Cleanup warnings and finish implementing all the cases for aliased values and entities. * Cleanup fromQuery and add comments * Modify EValueReference to support aliased entity fields instead of having to use opaque ERaw in field access * Implement SQL Set Operations * Add test to show novel use of fromQuery * Cleanup unsafe case statements * Add type annotations to helper queries to satisfy the typechecker on older GHC * New syntax for joins, using placeholder names with ' in them to avoid name conflict with existing join types. New api properly enforces Maybe on outer joins and requires an on clause for all joins in their construction. * Add some more test queries using the new syntax * Add test to verify that delete works with the new syntax * Add cross join and implicit cross join using comma examples to test code for new from syntax * Comment out use of CrossJoin in common tests since postgres cant handle it with the current implementation of the CrossJoin kind * Add typeclass machinery to support the use of the old Join data types used in the existing from clause * Fix bug with CrossJoin and add on_ syntax sugar * move new from syntax into Database.Esqueleto.Experimental * Merge subqueries and unions with the new join syntax, they all seem to play nicely together * Cleanup somehow copies of ToAlias ended up staying in Internal and a swp file made it in to the branch. * Fix compilation errors * Swith tuple to using a TypeOperator * Make operator only 2 characters * added up to 8-tuple instances for ToMaybe, ToAlias, and ToAliasReference * Add compiler error tests for new syntax to support making better errors * Use closed data families to allow for catching missing on statements in joins. * Convert ToAliasReferenceT to be a closed type family matching the other classes in the Experimental module * added Esqueleto.Experimental documentation: added introduction and several examples of old vs. new syntax * added more usage examples to module introduction; added documentation to SqlSetOperation, From, on, from, and (:&) * Update (^.) to only treat natural keys with more than one component as ECompositeKey. Fixes #176. * Update article metadata test to ensure the correct response was being returned instead of just check if an exception was thrown * Add article metadata to cleanDB before deleting all articles to fix foreign key constraint errors * Bump version number and add changelog entry * Fix issue with ToMaybeT for Values, Maybe was going in the wrong place compared to the rest of the library. Add test to prove that Left joining into a subquery that returns a maybe flattens the maybe properly to avoid needing to call joinV. * Fix common test for postgres, needed to add dogCounts to the group by since postgres is strict on only agregates for non grouped columns; I really need to set up a local postgresql * Revert ToFromT changes. Only accept functions that return a SqlExpr (Value Bool) in ToFromT * escaped use of '@' in TypeApplications in documentation * Add more specific type signature to `on` per parsonsmatt review suggestion. Improves type inference significantly. Co-Authored-By: Matt Parsons <parsonsmatt@gmail.com> Co-authored-by: charukiewicz <c.charukiewicz@gmail.com> Co-authored-by: Matt Parsons <parsonsmatt@gmail.com>
175 lines
5.3 KiB
Plaintext
175 lines
5.3 KiB
Plaintext
cabal-version: 1.12
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name: esqueleto
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version: 3.3.2
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synopsis: Type-safe EDSL for SQL queries on persistent backends.
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description: @esqueleto@ is a bare bones, type-safe EDSL for SQL queries that works with unmodified @persistent@ SQL backends. Its language closely resembles SQL, so you don't have to learn new concepts, just new syntax, and it's fairly easy to predict the generated SQL and optimize it for your backend. Most kinds of errors committed when writing SQL are caught as compile-time errors---although it is possible to write type-checked @esqueleto@ queries that fail at runtime.
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.
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@persistent@ is a library for type-safe data serialization. It has many kinds of backends, such as SQL backends (@persistent-mysql@, @persistent-postgresql@, @persistent-sqlite@) and NoSQL backends (@persistent-mongoDB@). While @persistent@ is a nice library for storing and retrieving records, including with filters, it does not try to support some of the features that are specific to SQL backends. In particular, @esqueleto@ is the recommended library for type-safe @JOIN@s on @persistent@ SQL backends. (The alternative is using raw SQL, but that's error prone and does not offer any composability.)
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.
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Currently, @SELECT@s, @UPDATE@s, @INSERT@s and @DELETE@s are supported. Not all SQL features are available, but most of them can be easily added (especially functions), so please open an issue or send a pull request if you need anything that is not covered by @esqueleto@ on <https://github.com/bitemyapp/esqueleto>.
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.
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The name of this library means \"skeleton\" in Portuguese and contains all three SQL letters in the correct order =). It was inspired by Scala's Squeryl but created from scratch.
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category: Database
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homepage: https://github.com/bitemyapp/esqueleto
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author: Felipe Lessa
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maintainer: cma@bitemyapp.com
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copyright: (c) 2012-2016 Felipe Almeida Lessa
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license: BSD3
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license-file: LICENSE
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build-type: Simple
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extra-source-files:
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README.md
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changelog.md
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source-repository head
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type: git
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location: git://github.com/bitemyapp/esqueleto.git
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library
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exposed-modules:
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Database.Esqueleto
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Database.Esqueleto.Experimental
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Database.Esqueleto.Internal.Language
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Database.Esqueleto.Internal.Sql
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Database.Esqueleto.Internal.Internal
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Database.Esqueleto.Internal.ExprParser
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Database.Esqueleto.MySQL
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Database.Esqueleto.PostgreSQL
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Database.Esqueleto.PostgreSQL.JSON
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Database.Esqueleto.SQLite
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other-modules:
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Database.Esqueleto.Internal.PersistentImport
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Database.Esqueleto.PostgreSQL.JSON.Instances
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Paths_esqueleto
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hs-source-dirs:
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src/
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build-depends:
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base >=4.8 && <5.0
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, aeson >=1.0
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, attoparsec >= 0.13 && < 0.14
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, blaze-html
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, bytestring
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, conduit >=1.3
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, containers
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, monad-logger
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, persistent >=2.10.0 && <2.11
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, resourcet >=1.2
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, tagged >=0.2
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, text >=0.11 && <1.3
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, time >=1.5.0.1 && <=1.10
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, transformers >=0.2
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, unliftio
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, unordered-containers >=0.2
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if impl(ghc >=8.0)
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ghc-options: -Wall -Wno-redundant-constraints
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else
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ghc-options: -Wall
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default-language: Haskell2010
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test-suite mysql
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type: exitcode-stdio-1.0
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main-is: MySQL/Test.hs
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other-modules:
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Common.Test
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Paths_esqueleto
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hs-source-dirs:
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test
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ghc-options: -Wall
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build-depends:
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base >=4.8 && <5.0
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, attoparsec
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, blaze-html
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, bytestring
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, conduit >=1.3
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, containers
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, esqueleto
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, exceptions
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, hspec
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, monad-logger
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, mtl
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, mysql
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, mysql-simple
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, persistent >=2.8.0 && <2.11
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, persistent-mysql
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, persistent-template
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, resourcet >=1.2
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, tagged >=0.2
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, text >=0.11 && <1.3
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, time
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, transformers >=0.2
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, unliftio
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, unordered-containers >=0.2
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default-language: Haskell2010
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test-suite postgresql
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type: exitcode-stdio-1.0
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main-is: PostgreSQL/Test.hs
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other-modules:
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Common.Test
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PostgreSQL.MigrateJSON
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Paths_esqueleto
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hs-source-dirs:
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test
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ghc-options: -Wall
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build-depends:
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base >=4.8 && <5.0
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, aeson
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, attoparsec
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, blaze-html
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, bytestring
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, conduit >=1.3
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, containers
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, esqueleto
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, exceptions
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, hspec
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, monad-logger
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, mtl
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, persistent >=2.10.0 && <2.11
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, persistent-postgresql >= 2.10.0 && <2.11
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, persistent-template
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, postgresql-libpq
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, postgresql-simple
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, resourcet >=1.2
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, tagged >=0.2
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, text >=0.11 && <1.3
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, time
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, transformers >=0.2
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, unliftio
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, unordered-containers >=0.2
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, vector
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default-language: Haskell2010
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test-suite sqlite
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type: exitcode-stdio-1.0
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main-is: SQLite/Test.hs
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other-modules:
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Common.Test
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Paths_esqueleto
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hs-source-dirs:
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test
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ghc-options: -Wall
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build-depends:
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base >=4.8 && <5.0
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, attoparsec
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, blaze-html
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|
, bytestring
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, conduit >=1.3
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, containers
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, esqueleto
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, exceptions
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, hspec
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, monad-logger
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, mtl
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, persistent >=2.8.0 && <2.11
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, persistent-sqlite
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, persistent-template
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, resourcet >=1.2
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, tagged >=0.2
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, text >=0.11 && <1.3
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, time
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, transformers >=0.2
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, unliftio
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, unordered-containers >=0.2
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default-language: Haskell2010
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