Github user mallman commented on a diff in the pull request:
https://github.com/apache/spark/pull/15998#discussion_r89678628
--- 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 --
I looked into how Hive escapes partition names. It does not appear to do
any escaping at all. The partition names are in a string column in a table in
the metastore database. Hive simply queries that partition name column on this
table, filtering by Hive database and table, sorts the results and returns them.
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