mgaido91 commented on a change in pull request #23894:
[SPARK-26990][SQL]FileIndex: use user specified field names if possible
URL: https://github.com/apache/spark/pull/23894#discussion_r260180060
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/PartitioningUtils.scala
##########
@@ -111,15 +111,16 @@ object PartitioningUtils {
caseSensitive: Boolean,
validatePartitionColumns: Boolean,
timeZone: TimeZone): PartitionSpec = {
- val userSpecifiedDataTypes = if (userSpecifiedSchema.isDefined) {
+ val (userSpecifiedDataTypes, userSpecifiedNames) = if
(userSpecifiedSchema.isDefined) {
Review comment:
just a nit: we can maybe separate the `userSpecifiedNames` map creation in
order to improve code readability. Moreover we need it only if
`!caseSensitive`. So what about:
```
val userSpecifiedNames = userSpecifiedSchema.filterNot(_ =>
caseSensitive).map { schema => CaseInsensitiveMap(...)
}.getOrElse(Map.empty[String, String])
```
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