Examples with OrcTypeKind com.facebook.presto.orc.metadata.OrcType.OrcTypeKind used on opensource projects

Example 1 with OrcTypeKind

use of com.facebook.presto.orc.metadata.OrcType.OrcTypeKind in project presto by prestodb.

the class StripeReader method createValueStreams.

private Map<StreamId, ValueStream<?>> createValueStreams(Map<StreamId, Stream> streams, Map<StreamId, OrcInputStream> streamsData, List<ColumnEncoding> columnEncodings) {
    ImmutableMap.Builder<StreamId, ValueStream<?>> valueStreams = ImmutableMap.builder();
    for (Entry<StreamId, Stream> entry : streams.entrySet()) {
        StreamId streamId = entry.getKey();
        Stream stream = entry.getValue();
        ColumnEncodingKind columnEncoding = columnEncodings.get(stream.getColumn()).getColumnEncodingKind();
        // skip index and empty streams
        if (isIndexStream(stream) || stream.getLength() == 0) {
            continue;
        }
        OrcInputStream inputStream = streamsData.get(streamId);
        OrcTypeKind columnType = types.get(stream.getColumn()).getOrcTypeKind();
        valueStreams.put(streamId, ValueStreams.createValueStreams(streamId, inputStream, columnType, columnEncoding, stream.isUseVInts()));
    }
    return valueStreams.build();
}

Example 2 with OrcTypeKind

use of com.facebook.presto.orc.metadata.OrcType.OrcTypeKind in project presto by prestodb.

the class StripeReader method createDictionaryStreamSources.

public StreamSources createDictionaryStreamSources(Map<StreamId, Stream> streams, Map<StreamId, ValueStream<?>> valueStreams, List<ColumnEncoding> columnEncodings) {
    ImmutableMap.Builder<StreamId, StreamSource<?>> dictionaryStreamBuilder = ImmutableMap.builder();
    for (Entry<StreamId, Stream> entry : streams.entrySet()) {
        StreamId streamId = entry.getKey();
        Stream stream = entry.getValue();
        int column = stream.getColumn();
        // only process dictionary streams
        ColumnEncodingKind columnEncoding = columnEncodings.get(column).getColumnEncodingKind();
        if (!isDictionary(stream, columnEncoding)) {
            continue;
        }
        // skip streams without data
        ValueStream<?> valueStream = valueStreams.get(streamId);
        if (valueStream == null) {
            continue;
        }
        OrcTypeKind columnType = types.get(stream.getColumn()).getOrcTypeKind();
        StreamCheckpoint streamCheckpoint = getDictionaryStreamCheckpoint(streamId, columnType, columnEncoding);
        StreamSource<?> streamSource = createCheckpointStreamSource(valueStream, streamCheckpoint);
        dictionaryStreamBuilder.put(streamId, streamSource);
    }
    return new StreamSources(dictionaryStreamBuilder.build());
}

Example 3 with OrcTypeKind

use of com.facebook.presto.orc.metadata.OrcType.OrcTypeKind in project presto by prestodb.

the class Checkpoints method getStreamCheckpoints.

public static Map<StreamId, StreamCheckpoint> getStreamCheckpoints(Set<Integer> columns, List<OrcType> columnTypes, CompressionKind compressionKind, int rowGroupId, List<ColumnEncoding> columnEncodings, Map<StreamId, Stream> streams, Map<Integer, List<RowGroupIndex>> columnIndexes) throws InvalidCheckpointException {
    ImmutableSetMultimap.Builder<Integer, StreamKind> streamKindsBuilder = ImmutableSetMultimap.builder();
    for (Stream stream : streams.values()) {
        streamKindsBuilder.put(stream.getColumn(), stream.getStreamKind());
    }
    SetMultimap<Integer, StreamKind> streamKinds = streamKindsBuilder.build();
    ImmutableMap.Builder<StreamId, StreamCheckpoint> checkpoints = ImmutableMap.builder();
    for (int column : columns) {
        List<Integer> positionsList = columnIndexes.get(column).get(rowGroupId).getPositions();
        ColumnEncodingKind columnEncoding = columnEncodings.get(column).getColumnEncodingKind();
        OrcTypeKind columnType = columnTypes.get(column).getOrcTypeKind();
        Set<StreamKind> availableStreams = streamKinds.get(column);
        ColumnPositionsList columnPositionsList = new ColumnPositionsList(column, columnType, positionsList);
        switch(columnType) {
            case BOOLEAN:
                checkpoints.putAll(getBooleanColumnCheckpoints(column, compressionKind, availableStreams, columnPositionsList));
                break;
            case BYTE:
                checkpoints.putAll(getByteColumnCheckpoints(column, compressionKind, availableStreams, columnPositionsList));
                break;
            case SHORT:
            case INT:
            case LONG:
            case DATE:
                checkpoints.putAll(getLongColumnCheckpoints(column, columnEncoding, compressionKind, availableStreams, columnPositionsList));
                break;
            case FLOAT:
                checkpoints.putAll(getFloatColumnCheckpoints(column, compressionKind, availableStreams, columnPositionsList));
                break;
            case DOUBLE:
                checkpoints.putAll(getDoubleColumnCheckpoints(column, compressionKind, availableStreams, columnPositionsList));
                break;
            case TIMESTAMP:
                checkpoints.putAll(getTimestampColumnCheckpoints(column, columnEncoding, compressionKind, availableStreams, columnPositionsList));
                break;
            case BINARY:
            case STRING:
            case VARCHAR:
            case CHAR:
                checkpoints.putAll(getSliceColumnCheckpoints(column, columnEncoding, compressionKind, availableStreams, columnPositionsList));
                break;
            case LIST:
            case MAP:
                checkpoints.putAll(getListOrMapColumnCheckpoints(column, columnEncoding, compressionKind, availableStreams, columnPositionsList));
                break;
            case STRUCT:
                checkpoints.putAll(getStructColumnCheckpoints(column, compressionKind, availableStreams, columnPositionsList));
                break;
            case DECIMAL:
                checkpoints.putAll(getDecimalColumnCheckpoints(column, columnEncoding, compressionKind, availableStreams, columnPositionsList));
                break;
            case UNION:
                throw new IllegalArgumentException("Unsupported column type " + columnType);
        }
        // clear the extra offsets
        if (columnPositionsList.hasNextPosition() && !Iterables.all(positionsList, equalTo(0))) {
            throw new InvalidCheckpointException(format("Column %s, of type %s, contains %s offset positions, but only %s positions were consumed", column, columnType, positionsList.size(), columnPositionsList.getIndex()));
        }
    }
    return checkpoints.build();
}