Github user omalley commented on a diff in the pull request:
    --- Diff: 
    @@ -160,6 +160,16 @@ abstract class OrcSuite extends OrcTest with 
BeforeAndAfterAll {
    +  // This is a test case for ORC-285
    --- End diff --
    After a bit of digging, the problem that ORC-285 fixes was introduced in 
HIVE-9711. HIVE-9711 is included in Hive 1.2.0, but doesn't create a problem 
unless the vectorized ORC reader is used. That didn't become the default 
behavior until HIVE-11417, which was released in Hive 2.1.0. So Spark's other 
readers are fine as long as they don't use the vectorized reader.


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