romainfrancois commented on a change in pull request #10387:
URL: https://github.com/apache/arrow/pull/10387#discussion_r640381291
##########
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:
```suggestion
}
```
GitHub seems concerned that this does not have a newline.
Should this perhaps end with `invisible(x)` ? Probably not important with
the current use case, but that would allow e.g. `do_something(check_tabular(x),
...)`
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