SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function arrayJoin (children 1)
     ExpressionList (children 1)
      Function sumMap (children 1)
       ExpressionList (children 1)
        Identifier x
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function CAST (alias x) (children 1)
            ExpressionList (children 2)
             Function array (children 1)
              ExpressionList (children 2)
               Function tuple (children 1)
                ExpressionList (children 2)
                 Literal \'Hello\'
                 Function CAST (children 1)
                  ExpressionList (children 2)
                   Literal \'1.2\'
                   Literal \'Decimal256(30)\'
               Function tuple (children 1)
                ExpressionList (children 2)
                 Literal \'World\'
                 Function CAST (children 1)
                  ExpressionList (children 2)
                   Literal \'3.4\'
                   Literal \'Decimal256(30)\'
             Literal \'Map(String, Decimal256(30))\'
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function CAST (children 1)
            ExpressionList (children 2)
             Function array (children 1)
              ExpressionList (children 2)
               Function tuple (children 1)
                ExpressionList (children 2)
                 Literal \'World\'
                 Function CAST (children 1)
                  ExpressionList (children 2)
                   Literal \'5.6\'
                   Literal \'Decimal256(30)\'
               Function tuple (children 1)
                ExpressionList (children 2)
                 Literal \'GoodBye\'
                 Function CAST (children 1)
                  ExpressionList (children 2)
                   Literal \'-111.222\'
                   Literal \'Decimal256(30)\'
             Literal \'Map(String, Decimal256(30))\'
   ExpressionList (children 1)
    OrderByElement (children 1)
     Literal UInt64_1
