thisisnic commented on a change in pull request #10387:
URL: https://github.com/apache/arrow/pull/10387#discussion_r640456625
##########
File path: r/R/util.R
##########
@@ -110,3 +110,18 @@ handle_embedded_nul_error <- function(e) {
}
stop(e)
}
+
+check_tabular <- function(x, format) {
+ if (!inherits(x, "ArrowTabular")) {
+ abort(
+ c(
+ paste0("Cannot write to ", format, "."),
+ x = paste0(
+ "`x` must be an object of class 'data.frame', 'RecordBatch', or
'Table', not '",
+ class(x)[1],
+ "'"
+ )
+ )
+ )
+ }
+}
Review comment:
Thanks for looking at this- have updated it to do this now to return
`invisible(x)` & will update the tests to use `expect_snapshot_error` when
making a PR to upgrade to testthat 3e.
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