SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Literal \'aes-192-ecb\' (alias mode)
    Function hex (children 1)
     ExpressionList (children 1)
      Function encrypt (children 1)
       ExpressionList (children 3)
        Identifier mode
        Identifier input
        Identifier key24
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier encryption_test