Github user dongjoon-hyun commented on the issue:
https://github.com/apache/spark/pull/20484
Actually, I handed over all confs to ORC library. The following is all
supported ORC configuration.
-
https://github.com/apache/orc/blob/master/java/core/src/java/org/apache/orc/OrcConf.java
Please note that the confs are interpreted by both Hive Conf Name and ORC
Conf Names. Yesterday, @tgravescs asked about `hive.exec.orc.split.strategy`.
For now, it's not recognized by ORC library according to `OrcConf.java`.
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