mirror of
https://github.com/nikita-volkov/hasql.git
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435 lines
22 KiB
Haskell
435 lines
22 KiB
Haskell
module Main where
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import Contravariant.Extras
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import qualified Hasql.Decoders as Decoders
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import qualified Hasql.Encoders as Encoders
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import qualified Hasql.Session as Session
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import qualified Hasql.Statement as Statement
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import qualified Main.Connection as Connection
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import qualified Main.DSL as DSL
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import Main.Prelude hiding (assert)
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import qualified Main.Statements as Statements
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import qualified Test.QuickCheck as QuickCheck
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import Test.QuickCheck.Instances
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import Test.Tasty
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import Test.Tasty.HUnit
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import Test.Tasty.QuickCheck
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import Test.Tasty.Runners
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main =
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defaultMain tree
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tree =
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localOption (NumThreads 1) $
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testGroup
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"All tests"
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[ testGroup "Roundtrips" $
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let roundtrip encoder decoder input =
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let session =
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let statement = Statement.Statement "select $1" encoder decoder True
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in Session.statement input statement
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in unsafePerformIO $ do
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x <- Connection.with (Session.run session)
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return (Right (Right input) === x)
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in [ testProperty "Array" $
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let encoder = Encoders.param (Encoders.nonNullable (Encoders.array (Encoders.dimension foldl' (Encoders.element (Encoders.nonNullable Encoders.int8)))))
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decoder = Decoders.singleRow (Decoders.column (Decoders.nonNullable (Decoders.array (Decoders.dimension replicateM (Decoders.element (Decoders.nonNullable Decoders.int8))))))
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in roundtrip encoder decoder,
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testProperty "2D Array" $
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let encoder = Encoders.param (Encoders.nonNullable (Encoders.array (Encoders.dimension foldl' (Encoders.dimension foldl' (Encoders.element (Encoders.nonNullable Encoders.int8))))))
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decoder = Decoders.singleRow (Decoders.column (Decoders.nonNullable (Decoders.array (Decoders.dimension replicateM (Decoders.dimension replicateM (Decoders.element (Decoders.nonNullable Decoders.int8)))))))
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in \list -> list /= [] ==> roundtrip encoder decoder (replicate 3 list)
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],
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testCase "Failed query" $
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let statement =
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Statement.Statement "select true where 1 = any ($1) and $2" encoder decoder True
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where
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encoder =
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contrazip2
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(Encoders.param (Encoders.nonNullable (Encoders.array (Encoders.dimension foldl' (Encoders.element (Encoders.nonNullable Encoders.int8))))))
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(Encoders.param (Encoders.nonNullable (Encoders.text)))
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decoder =
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fmap (maybe False (const True)) (Decoders.rowMaybe ((Decoders.column . Decoders.nonNullable) Decoders.bool))
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session =
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Session.statement ([3, 7], "a") statement
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in do
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x <- Connection.with (Session.run session)
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assertBool (show x) $ case x of
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Right (Left (Session.QueryError "select true where 1 = any ($1) and $2" ["[3, 7]", "\"a\""] _)) -> True
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_ -> False,
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testCase "IN simulation" $
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let statement =
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Statement.Statement "select true where 1 = any ($1)" encoder decoder True
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where
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encoder =
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Encoders.param (Encoders.nonNullable (Encoders.array (Encoders.dimension foldl' (Encoders.element (Encoders.nonNullable Encoders.int8)))))
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decoder =
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fmap (maybe False (const True)) (Decoders.rowMaybe ((Decoders.column . Decoders.nonNullable) Decoders.bool))
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session =
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do
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result1 <- Session.statement [1, 2] statement
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result2 <- Session.statement [2, 3] statement
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return (result1, result2)
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in do
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x <- Connection.with (Session.run session)
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assertEqual (show x) (Right (Right (True, False))) x,
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testCase "NOT IN simulation" $
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let statement =
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Statement.Statement "select true where 3 <> all ($1)" encoder decoder True
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where
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encoder =
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Encoders.param (Encoders.nonNullable (Encoders.array (Encoders.dimension foldl' (Encoders.element (Encoders.nonNullable Encoders.int8)))))
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decoder =
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fmap (maybe False (const True)) (Decoders.rowMaybe ((Decoders.column . Decoders.nonNullable) Decoders.bool))
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session =
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do
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result1 <- Session.statement [1, 2] statement
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result2 <- Session.statement [2, 3] statement
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return (result1, result2)
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in do
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x <- Connection.with (Session.run session)
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assertEqual (show x) (Right (Right (True, False))) x,
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testCase "Composite decoding" $
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let statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select (1, true)"
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encoder =
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mempty
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decoder =
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Decoders.singleRow ((Decoders.column . Decoders.nonNullable) (Decoders.composite ((,) <$> (Decoders.field . Decoders.nonNullable) Decoders.int8 <*> (Decoders.field . Decoders.nonNullable) Decoders.bool)))
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session =
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Session.statement () statement
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in do
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x <- Connection.with (Session.run session)
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assertEqual (show x) (Right (Right (1, True))) x,
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testCase "Complex composite decoding" $
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let statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select (1, true) as entity1, ('hello', 3) as entity2"
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encoder =
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mempty
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decoder =
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Decoders.singleRow $
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(,) <$> (Decoders.column . Decoders.nonNullable) entity1 <*> (Decoders.column . Decoders.nonNullable) entity2
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where
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entity1 =
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Decoders.composite $
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(,) <$> (Decoders.field . Decoders.nonNullable) Decoders.int8 <*> (Decoders.field . Decoders.nonNullable) Decoders.bool
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entity2 =
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Decoders.composite $
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(,) <$> (Decoders.field . Decoders.nonNullable) Decoders.text <*> (Decoders.field . Decoders.nonNullable) Decoders.int8
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session =
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Session.statement () statement
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in do
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x <- Connection.with (Session.run session)
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assertEqual (show x) (Right (Right ((1, True), ("hello", 3)))) x,
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testCase "Empty array" $
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let io =
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do
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x <- Connection.with (Session.run session)
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assertEqual (show x) (Right (Right [])) x
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where
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session =
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Session.statement () statement
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where
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statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select array[]::int8[]"
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encoder =
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mempty
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decoder =
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Decoders.singleRow ((Decoders.column . Decoders.nonNullable) (Decoders.array (Decoders.dimension replicateM (Decoders.element (Decoders.nonNullable Decoders.int8)))))
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in io,
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testCase "Failing prepared statements" $
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let io =
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Connection.with (Session.run session)
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>>= (assertBool <$> show <*> resultTest)
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where
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resultTest =
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\case
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Right (Left (Session.QueryError _ _ (Session.ResultError (Session.ServerError "26000" _ _ _ _)))) -> False
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_ -> True
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session =
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catchError session (const (pure ())) *> session
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where
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session =
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Session.statement () statement
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where
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statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"absurd"
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encoder =
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mempty
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decoder =
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Decoders.noResult
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in io,
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testCase "Prepared statements after error" $
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let io =
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Connection.with (Session.run session)
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>>= \x -> assertBool (show x) (either (const False) isRight x)
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where
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session =
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try *> fail *> try
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where
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try =
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Session.statement 1 statement
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where
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statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select $1 :: int8"
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encoder =
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Encoders.param (Encoders.nonNullable (Encoders.int8))
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decoder =
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Decoders.singleRow $ (Decoders.column . Decoders.nonNullable) Decoders.int8
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fail =
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catchError (Session.sql "absurd") (const (pure ()))
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in io,
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testCase "\"in progress after error\" bugfix" $
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let sumStatement :: Statement.Statement (Int64, Int64) Int64
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sumStatement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select ($1 + $2)"
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encoder =
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contramap fst (Encoders.param (Encoders.nonNullable (Encoders.int8)))
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<> contramap snd (Encoders.param (Encoders.nonNullable (Encoders.int8)))
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decoder =
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Decoders.singleRow ((Decoders.column . Decoders.nonNullable) Decoders.int8)
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sumSession :: Session.Session Int64
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sumSession =
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Session.sql "begin" *> Session.statement (1, 1) sumStatement <* Session.sql "end"
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errorSession :: Session.Session ()
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errorSession =
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Session.sql "asldfjsldk"
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io =
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Connection.with $ \c -> do
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Session.run errorSession c
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Session.run sumSession c
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in io >>= \x -> assertBool (show x) (either (const False) isRight x),
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testCase "\"another command is already in progress\" bugfix" $
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let sumStatement :: Statement.Statement (Int64, Int64) Int64
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sumStatement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select ($1 + $2)"
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encoder =
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contramap fst (Encoders.param (Encoders.nonNullable (Encoders.int8)))
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<> contramap snd (Encoders.param (Encoders.nonNullable (Encoders.int8)))
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decoder =
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Decoders.singleRow ((Decoders.column . Decoders.nonNullable) Decoders.int8)
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session :: Session.Session Int64
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session =
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do
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Session.sql "begin;"
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s <- Session.statement (1, 1) sumStatement
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Session.sql "end;"
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return s
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in DSL.session session >>= \x -> assertEqual (show x) (Right 2) x,
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testCase "Executing the same query twice" $
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pure (),
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testCase "Interval Encoding" $
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let actualIO =
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DSL.session $ do
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let statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select $1 = interval '10 seconds'"
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decoder =
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(Decoders.singleRow ((Decoders.column . Decoders.nonNullable) (Decoders.bool)))
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encoder =
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Encoders.param (Encoders.nonNullable (Encoders.interval))
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in DSL.statement (10 :: DiffTime) statement
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in actualIO >>= \x -> assertEqual (show x) (Right True) x,
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testCase "Interval Decoding" $
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let actualIO =
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DSL.session $ do
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let statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select interval '10 seconds'"
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decoder =
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(Decoders.singleRow ((Decoders.column . Decoders.nonNullable) (Decoders.interval)))
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encoder =
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Encoders.noParams
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in DSL.statement () statement
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in actualIO >>= \x -> assertEqual (show x) (Right (10 :: DiffTime)) x,
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testCase "Interval Encoding/Decoding" $
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let actualIO =
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DSL.session $ do
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let statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select $1"
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decoder =
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(Decoders.singleRow ((Decoders.column . Decoders.nonNullable) (Decoders.interval)))
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encoder =
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Encoders.param (Encoders.nonNullable (Encoders.interval))
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in DSL.statement (10 :: DiffTime) statement
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in actualIO >>= \x -> assertEqual (show x) (Right (10 :: DiffTime)) x,
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testCase "Unknown" $
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let actualIO =
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DSL.session $ do
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let statement =
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Statement.Statement sql mempty Decoders.noResult True
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where
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sql =
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"drop type if exists mood"
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in DSL.statement () statement
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let statement =
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Statement.Statement sql mempty Decoders.noResult True
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where
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sql =
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"create type mood as enum ('sad', 'ok', 'happy')"
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in DSL.statement () statement
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let statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select $1 = ('ok' :: mood)"
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decoder =
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(Decoders.singleRow ((Decoders.column . Decoders.nonNullable) (Decoders.bool)))
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encoder =
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Encoders.param (Encoders.nonNullable (Encoders.unknown))
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in DSL.statement "ok" statement
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in actualIO >>= assertEqual "" (Right True),
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testCase "Textual Unknown" $
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let actualIO =
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DSL.session $ do
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let statement =
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Statement.Statement sql mempty Decoders.noResult True
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where
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sql =
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"create or replace function overloaded(a int, b int) returns int as $$ select a + b $$ language sql;"
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in DSL.statement () statement
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let statement =
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Statement.Statement sql mempty Decoders.noResult True
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where
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sql =
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"create or replace function overloaded(a text, b text, c text) returns text as $$ select a || b || c $$ language sql;"
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in DSL.statement () statement
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let statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select overloaded($1, $2) || overloaded($3, $4, $5)"
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decoder =
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(Decoders.singleRow ((Decoders.column . Decoders.nonNullable) (Decoders.text)))
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encoder =
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contramany (Encoders.param (Encoders.nonNullable (Encoders.unknown)))
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in DSL.statement ["1", "2", "4", "5", "6"] statement
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in actualIO >>= assertEqual "" (Right "3456"),
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testCase "Enum" $
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let actualIO =
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DSL.session $ do
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let statement =
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Statement.Statement sql mempty Decoders.noResult True
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where
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sql =
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"drop type if exists mood"
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in DSL.statement () statement
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let statement =
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Statement.Statement sql mempty Decoders.noResult True
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where
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sql =
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"create type mood as enum ('sad', 'ok', 'happy')"
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in DSL.statement () statement
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let statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select ($1 :: mood)"
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decoder =
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(Decoders.singleRow ((Decoders.column . Decoders.nonNullable) (Decoders.enum (Just . id))))
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encoder =
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Encoders.param (Encoders.nonNullable ((Encoders.enum id)))
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in DSL.statement "ok" statement
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in actualIO >>= assertEqual "" (Right "ok"),
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testCase "The same prepared statement used on different types" $
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let actualIO =
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DSL.session $ do
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let effect1 =
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DSL.statement "ok" statement
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where
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statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select $1"
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encoder =
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Encoders.param (Encoders.nonNullable (Encoders.text))
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decoder =
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(Decoders.singleRow ((Decoders.column . Decoders.nonNullable) (Decoders.text)))
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effect2 =
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DSL.statement 1 statement
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where
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statement =
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Statement.Statement sql encoder decoder True
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where
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sql =
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"select $1"
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encoder =
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Encoders.param (Encoders.nonNullable (Encoders.int8))
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decoder =
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(Decoders.singleRow ((Decoders.column . Decoders.nonNullable) Decoders.int8))
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in (,) <$> effect1 <*> effect2
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in actualIO >>= assertEqual "" (Right ("ok", 1)),
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testCase "Affected rows counting" $
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replicateM_ 13 $
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let actualIO =
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DSL.session $ do
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dropTable
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createTable
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replicateM_ 100 insertRow
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deleteRows <* dropTable
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where
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dropTable =
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DSL.statement () $
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Statements.plain $
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"drop table if exists a"
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createTable =
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DSL.statement () $
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Statements.plain $
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"create table a (id bigserial not null, name varchar not null, primary key (id))"
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insertRow =
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DSL.statement () $
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Statements.plain $
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"insert into a (name) values ('a')"
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deleteRows =
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DSL.statement () $ Statement.Statement sql mempty decoder False
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where
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sql =
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"delete from a"
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decoder =
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Decoders.rowsAffected
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in actualIO >>= assertEqual "" (Right 100),
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testCase "Result of an auto-incremented column" $
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let actualIO =
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DSL.session $ do
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DSL.statement () $ Statements.plain $ "drop table if exists a"
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DSL.statement () $ Statements.plain $ "create table a (id serial not null, v char not null, primary key (id))"
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id1 <- DSL.statement () $ Statement.Statement "insert into a (v) values ('a') returning id" mempty (Decoders.singleRow ((Decoders.column . Decoders.nonNullable) Decoders.int4)) False
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id2 <- DSL.statement () $ Statement.Statement "insert into a (v) values ('b') returning id" mempty (Decoders.singleRow ((Decoders.column . Decoders.nonNullable) Decoders.int4)) False
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DSL.statement () $ Statements.plain $ "drop table if exists a"
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pure (id1, id2)
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in assertEqual "" (Right (1, 2)) =<< actualIO,
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testCase "List decoding" $
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let actualIO =
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DSL.session $ DSL.statement () $ Statements.selectList
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in assertEqual "" (Right [(1, 2), (3, 4), (5, 6)]) =<< actualIO
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]
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