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
        Identifier uint64
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_table
