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