[R-pkg-devel] checking S3 generic/method consistency ... NOTE‏

[Daniel Marcelino]

That should work then, I confused myself how to properly document S3 methods using Roxygen. Thanks for this. 

Daniel
________________________________
> Date: Thu, 23 Jul 2015 16:41:37 -0600 
> Subject: Re: [R-pkg-devel] checking S3 generic/method consistency ... NOTE‏ 
> From: ucfagls at gmail.com 
> To: dmarcelino at live.com 
> CC: r-package-devel at r-project.org 
> 
> Hi Daniel 
> 
> You should only neee 
> 
> #' @export 
> 
> in your roxygen markup as roxygen (well recent versions anyway) are 
> able to do the right thing and work out what needs to go into the 
> NAMESPACE file. You don't need @method now, except in cases where there 
> is ambiguity about the method/class, which shouldn;t be the case here. 
> 
> See: http://r-pkgs.had.co.nz/namespace.html#exports 
> 
> HTH 
> 
> G 
> 
> On 23 July 2015 at 15:21, Daniel Marcelino 
> <dmarcelino at live.com<mailto:dmarcelino at live.com>> wrote: 
> Hi, I would like to know how you are calming down the R check. I've an 
> issue with the `head` method. I'm incorporating a head for data base, 
> but nothing that I add in the function file seems to be able to 
> silence the R check. Below is what I have: 
> 
> checking S3 generic/method consistency ... NOTE 
> Found the following apparent S3 methods exported but not registered: 
> head.SQLiteConnection 
> 
> 
> #' Return the first n elements of a SQLiteConnection object 
> #' 
> #' If a database connection is selected, returns a dataframe of table names. 
> #' If a table name is also supplied, the first n rows from the table 
> are returned. 
> #' 
> #' @param x A database connection object or a table name. 
> #' @param \dots Additional arguments 
> #' @param table character specifying a table 
> #' @param n integer: Number of rows to output 
> #' @param temp logical should the function list the temp tables 
> #' 
> #' @export head.SQLiteConnection 
> #' @method head SQLiteConnection 
> #' @importFrom RSQLite dbGetQuery 
> #' @importFrom utils head 
> #' @rdname head 
> head.SQLiteConnection <- function(x, table = NULL, n = 10L, temp = 
> FALSE, ...){ 
> if(is.null(table)){ 
> if(temp){ 
> RSQLite::dbGetQuery(x, "SELECT type, name, tbl_name FROM 
> sqlite_temp_master;", ...) 
> } else RSQLite::dbGetQuery(x, "SELECT type, name, tbl_name FROM 
> sqlite_master;", ...) 
> 
> } else { 
> RSQLite::dbGetQuery(x, sprintf("SELECT * FROM %s LIMIT %d;", table, 
> n), ...) 
> } 
> } 
> 
> 
> 
> Daniel 
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> 
> 
> -- 
> Gavin Simpson, PhD