Github user clarkfitzg commented on a diff in the pull request:
https://github.com/apache/spark/pull/14783#discussion_r77760776
--- Diff: R/pkg/R/utils.R ---
@@ -697,3 +697,18 @@ is_master_local <- function(master) {
is_sparkR_shell <- function() {
grepl(".*shell\\.R$", Sys.getenv("R_PROFILE_USER"), perl = TRUE)
}
+
+# rbind a list of rows with raw (binary) columns
+#
+# @param inputData a list of rows, with each row a list
+# @return data.frame with raw columns as lists
+rbindRaws <- function(inputData){
+ row1 <- inputData[[1]]
+ rawcolumns <- ("raw" == sapply(row1, class))
+
+ listmatrix <- do.call(rbind, inputData)
--- End diff --
```
> b = serialize(1:10, NULL)
> inputData = list(list(1L, b, 'a'), list(2L, b, 'b')) # Mixed data types
> listmatrix <- do.call(rbind, inputData)
> listmatrix
[,1] [,2] [,3]
[1,] 1 Raw,62 "a"
[2,] 2 Raw,62 "b"
> class(listmatrix)
[1] "matrix"
> typeof(listmatrix)
[1] "list"
> is.character(listmatrix)
[1] FALSE
```
A little unusual- it's a list matrix. Hence the name. Which docs are you
referring to?
The test that's in here now does test for mixed columns, but it doesn't
test for a single column of raws. I'll add that now.
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