mengxr commented on a change in pull request #26429: [SPARK-29777][SparkR]
SparkR::cleanClosure aggressively removes a function required by user function
URL: https://github.com/apache/spark/pull/26429#discussion_r343958052
##########
File path: R/pkg/R/utils.R
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@@ -545,10 +545,6 @@ processClosure <- function(node, oldEnv, defVars,
checkedFuncs, newEnv) {
found <- sapply(funcList, function(func) {
ifelse(identical(func, obj), TRUE, FALSE)
})
- if (sum(found) > 0) {
Review comment:
Discussed offline. The change would lead to dead loop. We should make sure
`newEnv` contains the (cleaned) node.
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