Examples with LongStreamCheckpoint io.prestosql.orc.checkpoint.LongStreamCheckpoint used on opensource projects

Example 1 with LongStreamCheckpoint

use of io.prestosql.orc.checkpoint.LongStreamCheckpoint in project hetu-core by openlookeng.

the class ListColumnWriter method getIndexStreams.

@Override
public List<StreamDataOutput> getIndexStreams(CompressedMetadataWriter metadataWriter) throws IOException {
    checkState(closed);
    ImmutableList.Builder<RowGroupIndex> rowGroupIndexes = ImmutableList.builder();
    List<LongStreamCheckpoint> lengthCheckpoints = lengthStream.getCheckpoints();
    Optional<List<BooleanStreamCheckpoint>> presentCheckpoints = presentStream.getCheckpoints();
    for (int i = 0; i < rowGroupColumnStatistics.size(); i++) {
        int groupId = i;
        ColumnStatistics columnStatistics = rowGroupColumnStatistics.get(groupId);
        LongStreamCheckpoint lengthCheckpoint = lengthCheckpoints.get(groupId);
        Optional<BooleanStreamCheckpoint> presentCheckpoint = presentCheckpoints.map(checkpoints -> checkpoints.get(groupId));
        List<Integer> positions = createArrayColumnPositionList(compressed, lengthCheckpoint, presentCheckpoint);
        rowGroupIndexes.add(new RowGroupIndex(positions, columnStatistics));
    }
    Slice slice = metadataWriter.writeRowIndexes(rowGroupIndexes.build());
    Stream stream = new Stream(columnId, StreamKind.ROW_INDEX, slice.length(), false);
    ImmutableList.Builder<StreamDataOutput> indexStreams = ImmutableList.builder();
    indexStreams.add(new StreamDataOutput(slice, stream));
    indexStreams.addAll(elementWriter.getIndexStreams(metadataWriter));
    return indexStreams.build();
}

Example 2 with LongStreamCheckpoint

use of io.prestosql.orc.checkpoint.LongStreamCheckpoint in project hetu-core by openlookeng.

the class MapColumnWriter method getIndexStreams.

@Override
public List<StreamDataOutput> getIndexStreams(CompressedMetadataWriter metadataWriter) throws IOException {
    checkState(closed);
    ImmutableList.Builder<RowGroupIndex> rowGroupIndexes = ImmutableList.builder();
    List<LongStreamCheckpoint> lengthCheckpoints = lengthStream.getCheckpoints();
    Optional<List<BooleanStreamCheckpoint>> presentCheckpoints = presentStream.getCheckpoints();
    for (int i = 0; i < rowGroupColumnStatistics.size(); i++) {
        int groupId = i;
        ColumnStatistics columnStatistics = rowGroupColumnStatistics.get(groupId);
        LongStreamCheckpoint lengthCheckpoint = lengthCheckpoints.get(groupId);
        Optional<BooleanStreamCheckpoint> presentCheckpoint = presentCheckpoints.map(checkpoints -> checkpoints.get(groupId));
        List<Integer> positions = createArrayColumnPositionList(compressed, lengthCheckpoint, presentCheckpoint);
        rowGroupIndexes.add(new RowGroupIndex(positions, columnStatistics));
    }
    Slice slice = metadataWriter.writeRowIndexes(rowGroupIndexes.build());
    Stream stream = new Stream(columnId, StreamKind.ROW_INDEX, slice.length(), false);
    ImmutableList.Builder<StreamDataOutput> indexStreams = ImmutableList.builder();
    indexStreams.add(new StreamDataOutput(slice, stream));
    indexStreams.addAll(keyWriter.getIndexStreams(metadataWriter));
    indexStreams.addAll(valueWriter.getIndexStreams(metadataWriter));
    return indexStreams.build();
}

Example 3 with LongStreamCheckpoint

use of io.prestosql.orc.checkpoint.LongStreamCheckpoint in project hetu-core by openlookeng.

the class DecimalColumnWriter method getIndexStreams.

@Override
public List<StreamDataOutput> getIndexStreams(CompressedMetadataWriter metadataWriter) throws IOException {
    checkState(closed);
    ImmutableList.Builder<RowGroupIndex> rowGroupIndexes = ImmutableList.builder();
    List<DecimalStreamCheckpoint> dataCheckpoints = dataStream.getCheckpoints();
    List<LongStreamCheckpoint> scaleCheckpoints = scaleStream.getCheckpoints();
    Optional<List<BooleanStreamCheckpoint>> presentCheckpoints = presentStream.getCheckpoints();
    for (int i = 0; i < rowGroupColumnStatistics.size(); i++) {
        int groupId = i;
        ColumnStatistics columnStatistics = rowGroupColumnStatistics.get(groupId);
        DecimalStreamCheckpoint dataCheckpoint = dataCheckpoints.get(groupId);
        LongStreamCheckpoint scaleCheckpoint = scaleCheckpoints.get(groupId);
        Optional<BooleanStreamCheckpoint> presentCheckpoint = presentCheckpoints.map(checkpoints -> checkpoints.get(groupId));
        List<Integer> positions = createDecimalColumnPositionList(compressed, dataCheckpoint, scaleCheckpoint, presentCheckpoint);
        rowGroupIndexes.add(new RowGroupIndex(positions, columnStatistics));
    }
    Slice slice = metadataWriter.writeRowIndexes(rowGroupIndexes.build());
    Stream stream = new Stream(columnId, StreamKind.ROW_INDEX, slice.length(), false);
    return ImmutableList.of(new StreamDataOutput(slice, stream));
}

Example 4 with LongStreamCheckpoint

use of io.prestosql.orc.checkpoint.LongStreamCheckpoint in project hetu-core by openlookeng.

the class LongColumnWriter method getIndexStreams.

@Override
public List<StreamDataOutput> getIndexStreams(CompressedMetadataWriter metadataWriter) throws IOException {
    checkState(closed);
    ImmutableList.Builder<RowGroupIndex> rowGroupIndexes = ImmutableList.builder();
    List<LongStreamCheckpoint> dataCheckpoints = dataStream.getCheckpoints();
    Optional<List<BooleanStreamCheckpoint>> presentCheckpoints = presentStream.getCheckpoints();
    for (int i = 0; i < rowGroupColumnStatistics.size(); i++) {
        int groupId = i;
        ColumnStatistics columnStatistics = rowGroupColumnStatistics.get(groupId);
        LongStreamCheckpoint dataCheckpoint = dataCheckpoints.get(groupId);
        Optional<BooleanStreamCheckpoint> presentCheckpoint = presentCheckpoints.map(checkpoints -> checkpoints.get(groupId));
        List<Integer> positions = createLongColumnPositionList(compressed, dataCheckpoint, presentCheckpoint);
        rowGroupIndexes.add(new RowGroupIndex(positions, columnStatistics));
    }
    Slice slice = metadataWriter.writeRowIndexes(rowGroupIndexes.build());
    Stream stream = new Stream(columnId, StreamKind.ROW_INDEX, slice.length(), false);
    return ImmutableList.of(new StreamDataOutput(slice, stream));
}

Example 5 with LongStreamCheckpoint

use of io.prestosql.orc.checkpoint.LongStreamCheckpoint in project hetu-core by openlookeng.

the class SliceDictionaryColumnWriter method getIndexStreams.

@Override
public List<StreamDataOutput> getIndexStreams(CompressedMetadataWriter metadataWriter) throws IOException {
    checkState(closed);
    if (directEncoded) {
        return directColumnWriter.getIndexStreams(metadataWriter);
    }
    ImmutableList.Builder<RowGroupIndex> rowGroupIndexes = ImmutableList.builder();
    List<LongStreamCheckpoint> dataCheckpoints = dataStream.getCheckpoints();
    Optional<List<BooleanStreamCheckpoint>> presentCheckpoints = presentStream.getCheckpoints();
    for (int i = 0; i < rowGroups.size(); i++) {
        int groupId = i;
        ColumnStatistics columnStatistics = rowGroups.get(groupId).getColumnStatistics();
        LongStreamCheckpoint dataCheckpoint = dataCheckpoints.get(groupId);
        Optional<BooleanStreamCheckpoint> presentCheckpoint = presentCheckpoints.map(checkpoints -> checkpoints.get(groupId));
        List<Integer> positions = createSliceColumnPositionList(compression != NONE, dataCheckpoint, presentCheckpoint);
        rowGroupIndexes.add(new RowGroupIndex(positions, columnStatistics));
    }
    Slice slice = metadataWriter.writeRowIndexes(rowGroupIndexes.build());
    Stream stream = new Stream(columnId, StreamKind.ROW_INDEX, slice.length(), false);
    return ImmutableList.of(new StreamDataOutput(slice, stream));
}