How to use

mapTranslatedSargColumns

method

in

org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl

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);
}

public static boolean[] pickStripesViaTranslatedSarg(SearchArgument sarg,
  OrcFile.WriterVersion writerVersion, List<OrcProto.Type> types,
  List<StripeStatistics> stripeStats, int stripeCount) {
 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);
}