SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayShuffle (children 1)
     ExpressionList (children 2)
      Function array (children 1)
       ExpressionList (children 3)
        Function tuple (children 1)
         ExpressionList (children 2)
          Literal UInt64_1
          Literal NULL
        Function tuple (children 1)
         ExpressionList (children 2)
          Literal UInt64_2
          Literal \'a\'
        Function tuple (children 1)
         ExpressionList (children 2)
          Literal UInt64_3
          Literal \'A\'
      Literal UInt64_195939070