wjones127 commented on code in PR #12751:
URL: https://github.com/apache/arrow/pull/12751#discussion_r852173797


##########
r/R/record-batch.R:
##########
@@ -189,3 +189,62 @@ record_batch <- RecordBatch$create
 
 #' @export
 names.RecordBatch <- function(x) x$names()
+
+#' @export
+rbind.RecordBatch <- function(...) {
+  abort("Use `Table$create()` to combine record batches")
+}
+
+cbind_check_length <- function(target_length, length, idx, call = 
caller_env()) {

Review Comment:
   The main value of the function is to provide an error message indicating 
which of you inputs is not the correct length. But if we didn't care about 
that, we could rely on the RB constructor.



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