public static boolean[] pickStripesViaTranslatedSarg(SearchArgument sarg,
      OrcFile.WriterVersion writerVersion, List<OrcProto.Type> types,
      List<StripeStatistics> stripeStats, int stripeCount) throws FileFormatException {
    LOG.info("Translated ORC pushdown predicate: " + sarg);
    assert sarg != null;
    if (stripeStats == null || writerVersion == OrcFile.WriterVersion.ORIGINAL) {
      return null; // only do split pruning if HIVE-8732 has been fixed in the writer
    }
    // eliminate stripes that doesn't satisfy the predicate condition
    List<PredicateLeaf> sargLeaves = sarg.getLeaves();
    int[] filterColumns = RecordReaderImpl.mapTranslatedSargColumns(types, sargLeaves);
    TypeDescription schema = OrcUtils.convertTypeFromProtobuf(types, 0);
    SchemaEvolution evolution = new SchemaEvolution(schema, null);
    return pickStripesInternal(sarg, filterColumns, stripeStats, stripeCount, null, evolution);
  }
Do we have schema on read in the configuration variables?
ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java