thisisnic commented on a change in pull request #10387:
URL: https://github.com/apache/arrow/pull/10387#discussion_r644333487
##########
File path: r/R/util.R
##########
@@ -110,3 +110,11 @@ handle_embedded_nul_error <- function(e) {
}
stop(e)
}
+
+is_writable_table <- function(x) {
+ inherits(x, c("data.frame", "ArrowTabular"))
+}
+
+attr(is_writable_table, "fail") <- function(call, env){
+ paste0(eval(substitute(substitute(y, env), list(y = call$x)))," is not an
object of class 'data.frame', 'RecordBatch', or 'Table'.")
Review comment:
Ah, thanks, had got mixed up with something else you said, but makes
sense now.
Worked out a way of putting the object's class back into the error message
so have pushed that change now, as well as the comment about what that
attribute does.
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