Github user NarineK commented on a diff in the pull request:
https://github.com/apache/spark/pull/12836#discussion_r61768690
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/api/r/SQLUtils.scala
---
@@ -155,6 +155,52 @@ private[sql] object SQLUtils {
df.mapPartitionsInR(func, packageNames, bv, realSchema)
}
+ /**
+ * The helper function for gapply() on R side.
+ */
+ def gapply(
+ df: DataFrame,
+ func: Array[Byte],
+ packageNames: Array[Byte],
+ broadcastVars: Array[Object],
+ schema: StructType,
+ col: String): DataFrame = {
+
+ val realSchema =
+ if (schema == null) {
+ SERIALIZED_R_DATA_SCHEMA
+ } else {
+ schema
+ }
--- End diff --
In order to keep it consistent with dapply, I haven't made it one line:
https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/api/r/SQLUtils.scala#L142
But we can make it one line, maybe in both cases ?
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