SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Asterisk
    Function throwIf (alias issue) (children 1)
     ExpressionList (children 1)
      Function notEquals (children 1)
       ExpressionList (children 2)
        Identifier val
        Literal \'one\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier column_modify_test
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier id
     Literal UInt64_1
 Identifier NULL
