> -----Original Message-----
> From: Matthew Dowle [mailto:[email protected]]
> Sent: Wednesday, May 01, 2013 4:13 PM
> To: Ken Williams
> Cc: [email protected]
> Subject: Re: [datatable-help] Import problem with data.table in packages
>
>
> Hi,
>
> This rings a bell actually. data.table uses .onLoad currently but it should be
> using .onAttach, I seem to recall.
>
>
> http://r.789695.n4.nabble.com/Error-in-a-package-that-imports-data-table-
> tp4660173p4660637.html
>
> I had a hunt around but couldn't find if we decided data.table should move
> from .onLoad to .onAttach. Does anyone know/remember?
I'm not sure - but maybe a solution would be to explicitly prefix the package
name:
Index: pkg/R/onLoad.R
===================================================================
--- pkg/R/onLoad.R (revision 855)
+++ pkg/R/onLoad.R (working copy)
@@ -6,7 +6,7 @@
if (class(ss)!="{") ss = as.call(c(as.name("{"), ss))
if (!length(grep("data.table",ss[[2]]))) {
ss = ss[c(1,NA,2:length(ss))]
- ss[[2]] = parse(text="if (inherits(..1,'data.table'))
return(data.table(...,key=key(..1)))")[[1]]
+ ss[[2]] = parse(text="if (inherits(..1,'data.table'))
return(data.table::data.table(...,key=key(..1)))")[[1]]
body(tt)=ss
(unlockBinding)("cbind.data.frame",baseenv())
assign("cbind.data.frame",tt,envir=asNamespace("base"),inherits=FALSE)
@@ -17,7 +17,7 @@
if (class(ss)!="{") ss = as.call(c(as.name("{"), ss))
if (!length(grep("data.table",ss[[2]]))) {
ss = ss[c(1,NA,2:length(ss))]
- ss[[2]] = parse(text="if (inherits(..1,'data.table'))
return(`.rbind.data.table`(...))")[[1]]
+ ss[[2]] = parse(text="if (inherits(..1,'data.table'))
return(`data.table::.rbind.data.table`(...))")[[1]]
body(tt)=ss
(unlockBinding)("rbind.data.frame",baseenv())
assign("rbind.data.frame",tt,envir=asNamespace("base"),inherits=FALSE)
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