Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19811#discussion_r156874096
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala
---
@@ -154,6 +154,44 @@ class CodegenContext {
val mutableStates: mutable.ArrayBuffer[(String, String, String)] =
mutable.ArrayBuffer.empty[(String, String, String)]
+ // An map keyed by mutable states' types holds the status of
mutableStateArray
+ var mutableStateArrayMap: mutable.Map[String, MutableStateArrays] =
--- End diff --
why var?
---
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