Github user NarineK commented on a diff in the pull request:
https://github.com/apache/spark/pull/12836#discussion_r64992518
--- Diff: R/pkg/inst/worker/worker.R ---
@@ -84,67 +84,78 @@ broadcastElap <- elapsedSecs()
# as number of partitions to create.
numPartitions <- SparkR:::readInt(inputCon)
-isDataFrame <- as.logical(SparkR:::readInt(inputCon))
+# 0 - RDD mode, 1 - dapply mode, 2 - gapply mode
+mode <- SparkR:::readInt(inputCon)
-# If isDataFrame, then read column names
-if (isDataFrame) {
+# If DataFrame - mode = 1 and mode = 2, then read column names
+if (mode > 0) {
--- End diff --
```
Thnx @sun-rui !
Maybe it will be better to have smth like:
```
isDataFrame = FALSE
dapply = FALSE
gapply = FALSE
if (mode > 0) {
isDataFrame = TRUE
if (mode == 1) {
dapply = TRUE
} else {
gapply = TRUE
}
}
```
because in your example, we'd also need to set, gapply = FALSE and dapply =
FALSE accordingly is mode > 0. Smth like:
if (mode == 1) {
dapply = TRUE
gapply = FALSE
} else {
dapply = FALSE
gapply = TRUE
}
```
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