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Fix review suggestions for joinOuterHash
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@ -102,7 +102,6 @@ extra-source-files:
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test/Streamly/Test/Data/Array/Foreign.hs
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test/Streamly/Test/Data/Array/Stream/Foreign.hs
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test/Streamly/Test/Data/Parser/ParserD.hs
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test/Streamly/Test/Data/Stream/Top.hs
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test/Streamly/Test/FileSystem/Event.hs
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test/Streamly/Test/FileSystem/Event/Common.hs
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test/Streamly/Test/FileSystem/Event/Darwin.hs
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@ -69,27 +69,49 @@ joinInnerMap =
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]
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assert (sort v1 == sort v2)
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joinOuterList :: [(Int, Int)] -> [(Int, Int)] -> [(Int, Maybe Int, Maybe Int)]
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joinOuterList ls0 ls1 =
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let v2 = do
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i <- ls0
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if i `elem` ls1
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then return (fst i, Just (fst i), Just (fst i))
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else return (fst i, Just (fst i), Nothing)
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v3 = do
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j <- ls1
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if j `elem` ls0
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then return (fst j, Just (fst j), Just (fst j))
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else return (fst j, Nothing, Just (fst j))
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v4 = filter (\(_, a2, _) -> isNothing a2) v3
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in v2 ++ v4
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-- XXX A bug need to be fixed in joinOuter function
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{-
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joinOuter :: Property
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joinOuter =
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forAll (listOf (chooseInt (min_value, max_value))) $ \ls0 ->
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forAll (listOf (chooseInt (min_value, max_value))) $ \ls1 ->
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monadicIO $ action ls0 ls1
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monadicIO $ action ls0 (nub ls1)
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where
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action ls0 ls1 = do
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v1 <-
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run
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$ S.toList
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$ Top.joinOuter eq (S.fromList ls0) (S.fromList ls1)
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let v2 = [ (Just i, Just j) | i <- ls0, j <- ls1, i == j ]
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assert (v1 == v2)
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let v2 = joinOuterList
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(map (\a -> (a, a)) ls0)
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(map (\a -> (a, a)) ls1)
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v3 = map (\(_, v10, v20) -> (v10, v20)) v2
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assert (sort v1 == sort v3)
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-}
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joinOuterMap :: Property
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joinOuterMap =
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forAll (listOf (chooseInt (min_value, max_value))) $ \ls0 ->
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forAll (listOf (chooseInt (min_value, max_value))) $ \ls1 ->
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monadicIO $
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action (map (\a -> (a,a)) ls0) (map (\a -> (a,a)) (nub ls1))
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action
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(map (\a -> (a,a)) (nub ls0))
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(map (\a -> (a,a)) (nub ls1))
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where
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@ -98,18 +120,8 @@ joinOuterMap =
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run
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$ S.toList
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$ Top.joinOuterMap (S.fromList ls0) (S.fromList ls1)
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let v2 = do
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i <- ls0
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if (elem i ls1)
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then return (fst i, Just (fst i), Just (fst i))
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else return (fst i, Just (fst i), Nothing)
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v3 = do
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j <- ls1
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if (elem j ls0)
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then return (fst j, Just (fst j), Just (fst j))
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else return (fst j, Nothing, Just (fst j))
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v4 = filter (\(_, a2, _) -> isNothing a2) v3
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assert (v1 == v2 ++ v4)
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let v2 = joinOuterList ls0 ls1
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assert (sort v1 == sort v2)
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-------------------------------------------------------------------------------
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-- Main
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@ -125,5 +137,6 @@ main = hspec $ do
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prop "joinInner" Main.joinInner
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prop "joinInnerMap" Main.joinInnerMap
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prop "joinOuter" Main.joinOuter
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-- XXX currently API is broken https://github.com/composewell/streamly/issues/1032
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--prop "joinOuter" Main.joinOuter
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prop "joinOuterMap" Main.joinOuterMap
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