Github user falaki commented on a diff in the pull request:
https://github.com/apache/spark/pull/15328#discussion_r81615475
--- 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 --
`R_LEN_T_MAX` is not readable in R. I am going to make it a configurable
option. This will give users/admins control it as well. I will probably add
another config to set a maximum value (that depending on the config can be
greater than or smaller than `R_LEN_T_MAX`)
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