Github user omalley commented on a diff in the pull request:
https://github.com/apache/spark/pull/18640#discussion_r133248648
--- Diff: sql/core/pom.xml ---
@@ -87,6 +87,16 @@
</dependency>
<dependency>
+ <groupId>org.apache.orc</groupId>
+ <artifactId>orc-core</artifactId>
+ <classifier>${orc.classifier}</classifier>
--- End diff --
@rxin Storage-API is a separately released artifact from the Hive project.
Basically, Storage-API are the in-memory format for Hive's vectorization. You
could draw the analogy that Storage-Api is for Hive what Arrow is for Drill. It
allows formats to read and write directly in the format that is needed by the
execution engine.
With the nohive classifier, ORC shades the storage-api jar into the ORC
namespace so that it is compatible with any version of Hive.
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