SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function array (alias t) (children 1)
     ExpressionList (children 1)
      Literal Tuple_(\'1\', UInt64_2)
    Function tupleElement (children 1)
     ExpressionList (children 2)
      Function arrayElement (children 1)
       ExpressionList (children 2)
        Identifier t
        Literal UInt64_1
      Literal UInt64_1
    Function tupleElement (children 1)
     ExpressionList (children 2)
      Function arrayElement (children 1)
       ExpressionList (children 2)
        Identifier t
        Literal UInt64_1
      Literal UInt64_2