June 2018 Update

Task/Parametrized-SQL-statement/Haskell/parametrized-sql-statement.hs

@@ -0,0 +1,20 @@
+module Main (main) where
+
+import           Database.HDBC (IConnection, commit, run, toSql)
+
+updatePlayers :: IConnection a => a -> String -> Int -> Bool -> Int -> IO Bool
+updatePlayers conn name score active jerseyNum = do
+    rowCount <- run conn
+        "UPDATE players\
+        \ SET name = ?, score = ?, active = ?\
+        \ WHERE jerseyNum = ?"
+        [ toSql name
+        , toSql score
+        , toSql active
+        , toSql jerseyNum
+        ]
+    commit conn
+    return $ rowCount == 1
+
+main :: IO ()
+main = undefined