SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 6)
   ExpressionList (children 2)
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier y
    Function sum (alias s) (children 1)
     ExpressionList (children 1)
      Function minus (children 1)
       ExpressionList (children 2)
        Identifier x
        Identifier y
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_agg_proj_02302
   ExpressionList (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier y
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier s
   Literal UInt64_5
   Set
