SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Identifier number
    Function arrayReduce (children 1)
     ExpressionList (children 3)
      Literal \'sumMap\'
      Function array (children 1)
       ExpressionList (children 1)
        Identifier a
      Function array (children 1)
       ExpressionList (children 1)
        Identifier b
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 3)
           Literal Array_[UInt64_100, UInt64_100, UInt64_200] (alias a)
           Literal Array_[UInt64_10, UInt64_20, UInt64_30] (alias b)
           Identifier number
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Literal UInt64_10