Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/15515#discussion_r85080739
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/interface.scala
---
@@ -217,8 +218,24 @@ case class CatalogTable(
output.filter(_.nonEmpty).mkString("CatalogTable(\n\t", "\n\t", ")")
}
+ /**
+ * @return whether this table's partition metadata is stored in the Hive
metastore.
+ */
+ def partitionProviderIsHive: Boolean = {
+ import CatalogTable._
+ provider == Some("hive") ||
+ properties.get(PARTITION_PROVIDER_KEY) ==
Some(PARTITION_PROVIDER_HIVE)
+ }
}
+object CatalogTable {
+ val PARTITION_PROVIDER_KEY = "org.apache.spark/partitionProvider"
--- End diff --
add some comments to explain this format?
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