SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function sum (alias j) (children 1)
     ExpressionList (children 1)
      Function minus (alias i) (children 1)
       ExpressionList (children 2)
        Literal UInt64_1 (alias m)
        Identifier uint64 (alias n)
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_table
