CreateFunctionQuery 03215_udf_with_union (children 2)
 Identifier 03215_udf_with_union
 Function lambda (children 1)
  ExpressionList (children 2)
   Function tuple (children 1)
    ExpressionList
   Subquery (children 1)
    SelectWithUnionQuery (children 1)
     ExpressionList (children 1)
      SelectQuery (children 2)
       ExpressionList (children 1)
        Function sum (children 1)
         ExpressionList (children 1)
          Identifier s
       TablesInSelectQuery (children 1)
        TablesInSelectQueryElement (children 1)
         TableExpression (children 1)
          Subquery (children 1)
           SelectWithUnionQuery (children 1)
            ExpressionList (children 2)
             SelectQuery (children 1)
              ExpressionList (children 1)
               Literal UInt64_1 (alias s)
             SelectQuery (children 1)
              ExpressionList (children 1)
               Literal UInt64_1 (alias s)
