Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/7018#discussion_r33329879
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/CatalystTypeConverters.scala
---
@@ -363,6 +373,19 @@ object CatalystTypeConverters {
}
/**
+ * Creates a converter function that will convert Catalyst types to
Scala type.
+ * Typical use case would be converting a collection of rows that have
the same schema. You will
+ * call this function once to get a converter, and apply it to every row.
+ */
+ private[sql] def createToScalaConverter(dataType: DataType): Any => Any
= {
--- End diff --
Could you update the StructConverter to use `createToScalaConverter `?
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