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

Task/Parametrized-SQL-statement/Julia/parametrized-sql-statement.julia

@@ -0,0 +1,19 @@
+using SQLite
+
+name = "Smith, Steve"
+jerseys =  Dict("Smith, Steve" => 99)
+sqlbool(tf::Bool) = if(tf) "TRUE" else "FALSE" end
+
+db = SQLite.DB() # no filename given, so create an in-memory temporary
+SQLite.execute!(db, "create table players (id integer primary key,
+                                           name text,
+                                           score number,
+                                           active bool,
+                                           jerseynum integer)")
+
+SQLite.query(db, "INSERT INTO players (name, score, active, jerseynum) values ('Jones, James', 9, 'FALSE', 99)")
+SQLite.query(db, "UPDATE players SET name = ?, score = ?, active = ? WHERE jerseynum = ?";
+    values = ["Smith, Steve", 42, sqlbool(true), jerseys[name]])
+
+tbl = SQLite.query(db, "SELECT * from players")
+println(tbl)

Task/Parametrized-SQL-statement/Kotlin/parametrized-sql-statement.kotlin

@@ -0,0 +1,24 @@
+// Version 1.2.41
+
+import java.sql.DriverManager
+import java.sql.Connection
+
+fun main(args: Array<String>) {
+    val url = "jdbc:mysql://localhost:3306/test"
+    val username = "example"
+    val password = "password123"
+    val conn = DriverManager.getConnection(url, username, password)
+    val query = conn.prepareStatement(
+        "UPDATE players SET name = ?, score = ?, active = ? WHERE jerseyNum = ?"
+    )
+    with (query) {
+        setString(1, "Smith, Steve")
+        setInt(2, 42)
+        setBoolean(3, true)
+        setInt(4, 99)
+        val rowCount = executeUpdate()
+        if (rowCount == 0) println("Update failed")
+        close()
+    }
+    conn.close()
+}