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https://github.com/khibino/haskell-relational-record.git
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62 lines
1.4 KiB
Haskell
62 lines
1.4 KiB
Haskell
{-# OPTIONS_GHC -fno-warn-orphans #-}
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{-# LANGUAGE TemplateHaskell #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE DeriveGeneric #-}
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{-# LANGUAGE DataKinds #-}
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module Model where
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import GHC.Generics (Generic)
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import Data.Int (Int32, Int64)
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import Database.Relational (defaultConfig)
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import Database.Relational.TH (defineTable, makeRelationalRecordDefault, defineScalarDegree)
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$(defineTable defaultConfig "TEST" "set_a"
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[ ("int_a0" , [t| Int32 |])
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, ("str_a1" , [t| String |])
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, ("str_a2" , [t| String |]) ]
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[''Generic] [0] $ Just 0)
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$(defineTable defaultConfig "TEST" "set_b"
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[ ("int_b0" , [t| Int32 |])
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, ("may_str_b1" , [t| Maybe String |])
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, ("str_b2" , [t| String |]) ]
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[''Generic] [0] $ Just 0)
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$(defineTable defaultConfig "TEST" "set_c"
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[ ("int_c0" , [t| Int32 |])
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, ("str_c1" , [t| String |])
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, ("int_c2" , [t| Int64 |])
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, ("may_str_c3" , [t| Maybe String |]) ]
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[''Generic] [0] $ Just 0)
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$(defineTable defaultConfig "TEST" "set_i"
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[ ("int_i0" , [t| Int32 |]) ]
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[''Generic] [0] $ Just 0)
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data ABC =
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ABC
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{ xJustA :: SetA
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, xJustB :: SetB
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, xJustC :: SetC
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} deriving Generic
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$(makeRelationalRecordDefault ''ABC)
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data Abc =
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Abc
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{ yJustA :: SetA
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, yMayB :: Maybe SetB
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, yMayC :: Maybe SetC
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} deriving Generic
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$(makeRelationalRecordDefault ''Abc)
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$(defineScalarDegree [t| Int32 |])
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