Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/21883#discussion_r206414524
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/PartitioningUtils.scala
---
@@ -284,6 +284,11 @@ object PartitioningUtils {
}.mkString("/")
}
+ def getPathFragment(partitions: TablePartitionSpec): String =
partitions.map {
+ case (k, v) =>
+ escapePathName(k) + "=" + escapePathName(v)
+ }.mkString("/")
--- End diff --
TablePartitionSpec is a map. The output of this func might be different
from the actual schema, right?
For example, the partition schema is [partCol1, partCol2]. Your output
could place partCol2 before partCol1
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