Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/6503#discussion_r31887868
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala ---
@@ -71,6 +71,9 @@ private[spark] object SQLConf {
// Whether to perform partition discovery when loading external data
sources. Default to true.
val PARTITION_DISCOVERY_ENABLED =
"spark.sql.sources.partitionDiscovery.enabled"
+ // Whether to perform partition column type inference. Default to false.
+ val PARTITION_COLUMN_TYPE_INFERENCE =
"spark.sql.sources.partitionColumnTypeInference.enabled"
--- End diff --
We probably want to set this to `true` to keep the default behavior
backwards compatible with Spark 1.3.x.
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