Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/21312#discussion_r188184724
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/arrow/ArrowWriter.scala
---
@@ -133,6 +133,14 @@ private[arrow] abstract class ArrowFieldWriter {
valueVector match {
case fixedWidthVector: BaseFixedWidthVector =>
fixedWidthVector.reset()
case variableWidthVector: BaseVariableWidthVector =>
variableWidthVector.reset()
+ case listVector: ListVector =>
--- End diff --
good catch! So this bug was there since the day 1 when we have arrow
writer, right?
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