How to use

TupleDomainOrcPredicate$ColumnReference

in

io.prestosql.orc

private static OrcPredicate getPredicate(TupleDomain<RaptorColumnHandle> effectivePredicate, Map<Long, Integer> indexMap)
{
  ImmutableList.Builder<ColumnReference<RaptorColumnHandle>> columns = ImmutableList.builder();
  for (RaptorColumnHandle column : effectivePredicate.getDomains().get().keySet()) {
    Integer index = indexMap.get(column.getColumnId());
    if (index != null) {
      columns.add(new ColumnReference<>(column, index, column.getColumnType()));
    }
  }
  return new TupleDomainOrcPredicate<>(effectivePredicate, columns.build(), false);
}

@Override
public boolean matches(long numberOfRows, Map<Integer, ColumnStatistics> statisticsByColumnIndex)
{
  Optional<Map<C, Domain>> optionalEffectivePredicateDomains = effectivePredicate.getDomains();
  if (!optionalEffectivePredicateDomains.isPresent()) {
    // effective predicate is none, so skip this section
    return false;
  }
  Map<C, Domain> effectivePredicateDomains = optionalEffectivePredicateDomains.get();
  for (ColumnReference<C> columnReference : columnReferences) {
    Domain predicateDomain = effectivePredicateDomains.get(columnReference.getColumn());
    if (predicateDomain == null) {
      // no predicate on this column, so we can't exclude this section
      continue;
    }
    ColumnStatistics columnStatistics = statisticsByColumnIndex.get(columnReference.getOrdinal());
    if (columnStatistics == null) {
      // no statistics for this column, so we can't exclude this section
      continue;
    }
    if (!columnOverlaps(columnReference, predicateDomain, numberOfRows, columnStatistics)) {
      return false;
    }
  }
  // this section was not excluded
  return true;
}

Type type = typeManager.getType(column.getTypeSignature());
includedColumns.put(column.getHiveColumnIndex(), type);
columnReferences.add(new ColumnReference<>(column, column.getHiveColumnIndex(), type));

.add(new ColumnReference<>(COLUMN_0, 0, BIGINT))
.add(new ColumnReference<>(COLUMN_1, 1, BIGINT))
.build();

.add(new ColumnReference<>(COLUMN_0, 0, BIGINT))
.add(new ColumnReference<>(COLUMN_1, 1, BIGINT))
.build();

private boolean columnOverlaps(ColumnReference<C> columnReference, Domain predicateDomain, long numberOfRows, ColumnStatistics columnStatistics)
  Domain stripeDomain = getDomain(columnReference.getType(), numberOfRows, columnStatistics);
  if (!stripeDomain.overlaps(predicateDomain)) {

private boolean columnOverlaps(ColumnReference<C> columnReference, Domain predicateDomain, long numberOfRows, ColumnStatistics columnStatistics)
  Domain stripeDomain = getDomain(columnReference.getType(), numberOfRows, columnStatistics);
  if (!stripeDomain.overlaps(predicateDomain)) {

@Override
public boolean matches(long numberOfRows, Map<Integer, ColumnStatistics> statisticsByColumnIndex)
{
  Optional<Map<C, Domain>> optionalEffectivePredicateDomains = effectivePredicate.getDomains();
  if (!optionalEffectivePredicateDomains.isPresent()) {
    // effective predicate is none, so skip this section
    return false;
  }
  Map<C, Domain> effectivePredicateDomains = optionalEffectivePredicateDomains.get();
  for (ColumnReference<C> columnReference : columnReferences) {
    Domain predicateDomain = effectivePredicateDomains.get(columnReference.getColumn());
    if (predicateDomain == null) {
      // no predicate on this column, so we can't exclude this section
      continue;
    }
    ColumnStatistics columnStatistics = statisticsByColumnIndex.get(columnReference.getOrdinal());
    if (columnStatistics == null) {
      // no statistics for this column, so we can't exclude this section
      continue;
    }
    if (!columnOverlaps(columnReference, predicateDomain, numberOfRows, columnStatistics)) {
      return false;
    }
  }
  // this section was not excluded
  return true;
}