@Override @SuppressWarnings("deprecation") public ReadContext init( Configuration configuration, Map<String, String> keyValueMetaData, MessageType messageType) { List<parquet.schema.Type> fields = columns .stream() .filter(column -> !column.isPartitionKey()) .map(column -> getParquetType(column, messageType)) .filter(Objects::nonNull) .collect(toList()); MessageType requestedProjection = new MessageType(messageType.getName(), fields); return new ReadContext(requestedProjection); }