Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/15328#discussion_r81596419
--- Diff: R/pkg/R/serialize.R ---
@@ -136,8 +136,17 @@ serializeRow <- function(row) {
}
writeRaw <- function(con, batch) {
+ dataSize <- length(batch)
writeInt(con, length(batch))
- writeBin(batch, con, endian = "big")
+
+ LENTMAX <- 2147483000 # Slightly less than R_LEN_T_MAX macro in R
--- End diff --
how about we use R_LEN_T_MAX or R_LEN_T_MAX - 1 instead of hardcoding it?
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