Github user ericl commented on a diff in the pull request: https://github.com/apache/spark/pull/15998#discussion_r90097773 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/InMemoryCatalog.scala --- @@ -482,6 +482,19 @@ class InMemoryCatalog( } } + override def listPartitionNames( + db: String, + table: String, + partialSpec: Option[TablePartitionSpec] = None): Seq[String] = synchronized { + val partitionColumnNames = getTable(db, table).partitionColumnNames + + listPartitions(db, table, partialSpec).map { partition => + partitionColumnNames.map { name => + name + "=" + partition.spec(name) --- End diff -- Based on manual testing it seems that hive returns escaped values here. So for example, if you had a partition with column `B` and value `============`, then the hive client returns `b=%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D`. So this code should probably call `getPathFragment` to have the same behavior.
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