Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/8026#discussion_r42583969
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/sources/interfaces.scala ---
@@ -544,11 +544,35 @@ abstract class HadoopFsRelation
private[sql](maybePartitionSpec: Option[Partitio
}
private def discoverPartitions(): PartitionSpec = {
- val typeInference =
sqlContext.conf.partitionColumnTypeInferenceEnabled()
// We use leaf dirs containing data files to discover the schema.
val leafDirs = fileStatusCache.leafDirToChildrenFiles.keys.toSeq
- PartitioningUtils.parsePartitions(leafDirs,
PartitioningUtils.DEFAULT_PARTITION_NAME,
- typeInference)
+ userDefinedPartitionColumns match {
+ case Some(schema) =>
--- End diff --
Maybe rename `schema` here to `userProvidedSchema` to be more explicit and
avoid shadowing the `schema` variable defined in
`castPartitionValueWithGivenSchema`?
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