@@ -14155,3 +14155,51 @@ E.g., hasql is based on this library. It supports all Postgres
versions starting from 8.3 and is tested against 8.3, 9.3 and 9.5
with the integer_datetimes setting off and on.")
(license license:expat)))
+
+(define-public ghc-hasql
+ (package
+ (name "ghc-hasql")
+ (version "1.4")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append
+ "https://hackage.haskell.org/package/hasql/hasql-"
+ version
+ ".tar.gz"))
+ (sha256
+ (base32
+ "0j2arb96i1dinpz1yxl2cjl4qhbljk9yph52cj9az50mvl8vx3w4"))))
+ (build-system haskell-build-system)
+ (inputs
+ `(("ghc-attoparsec" ,ghc-attoparsec)
+ ("ghc-postgresql-binary" ,ghc-postgresql-binary)
+ ("ghc-postgresql-libpq" ,ghc-postgresql-libpq)
+ ("ghc-bytestring-strict-builder"
+ ,ghc-bytestring-strict-builder)
+ ("ghc-dlist" ,ghc-dlist)
+ ("ghc-vector" ,ghc-vector)
+ ("ghc-hashtables" ,ghc-hashtables)
+ ("ghc-text-builder" ,ghc-text-builder)
+ ("ghc-hashable" ,ghc-hashable)
+ ("ghc-data-default-class"
+ ,ghc-data-default-class)
+ ("ghc-profunctors" ,ghc-profunctors)
+ ("ghc-contravariant-extras"
+ ,ghc-contravariant-extras)
+ ("ghc-contravariant" ,ghc-contravariant)
+ ("ghc-loch-th" ,ghc-loch-th)
+ ("ghc-placeholders" ,ghc-placeholders)
+ ("ghc-base-prelude" ,ghc-base-prelude)))
+ (arguments
+ `(#:tests? ; tests require a running postgres
+ #f))
+ (home-page
+ "https://github.com/nikita-volkov/hasql")
+ (synopsis
+ "An efficient PostgreSQL driver and a flexible mapping API")
+ (description
+ "This package is the root of the hasql ecosystem.
+The API is completely disinfected from exceptions.
+All error-reporting is explicit and is presented using the Either type.")
+ (license license:expat)))