Java Code Examples for org.apache.parquet.column.ParquetProperties#DEFAULT_STATISTICS_TRUNCATE_LENGTH

The following examples show how to use org.apache.parquet.column.ParquetProperties#DEFAULT_STATISTICS_TRUNCATE_LENGTH . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ParquetFileWriter.java    From parquet-mr with Apache License 2.0 6 votes vote down vote up 
/**
 * FOR TESTING ONLY. This supports testing block padding behavior on the local FS.
 *
 * @param configuration Hadoop configuration
 * @param schema the schema of the data
 * @param file the file to write to
 * @param rowAndBlockSize the row group size
 * @param maxPaddingSize the maximum padding
 * @throws IOException if the file can not be created
 */
ParquetFileWriter(Configuration configuration, MessageType schema,
                  Path file, long rowAndBlockSize, int maxPaddingSize)
    throws IOException {
  FileSystem fs = file.getFileSystem(configuration);
  this.schema = schema;
  this.alignment = PaddingAlignment.get(
      rowAndBlockSize, rowAndBlockSize, maxPaddingSize);
  this.out = HadoopStreams.wrap(
      fs.create(file, true, 8192, fs.getDefaultReplication(file), rowAndBlockSize));
  this.encodingStatsBuilder = new EncodingStats.Builder();
  // no truncation is needed for testing
  this.columnIndexTruncateLength = Integer.MAX_VALUE;
  this.pageWriteChecksumEnabled = ParquetOutputFormat.getPageWriteChecksumEnabled(configuration);
  this.crc = pageWriteChecksumEnabled ? new CRC32() : null;
  this.metadataConverter = new ParquetMetadataConverter(ParquetProperties.DEFAULT_STATISTICS_TRUNCATE_LENGTH);
}
Example 2
Source File: ParquetFileWriter.java    From parquet-mr with Apache License 2.0 5 votes vote down vote up 
/**
 * @param file OutputFile to create or overwrite
 * @param schema the schema of the data
 * @param mode file creation mode
 * @param rowGroupSize the row group size
 * @param maxPaddingSize the maximum padding
 * @throws IOException if the file can not be created
 * @deprecated will be removed in 2.0.0
 */
@Deprecated
public ParquetFileWriter(OutputFile file, MessageType schema, Mode mode,
                         long rowGroupSize, int maxPaddingSize)
    throws IOException {
  this(file, schema, mode, rowGroupSize, maxPaddingSize,
      ParquetProperties.DEFAULT_COLUMN_INDEX_TRUNCATE_LENGTH,
    ParquetProperties.DEFAULT_STATISTICS_TRUNCATE_LENGTH,
      ParquetProperties.DEFAULT_PAGE_WRITE_CHECKSUM_ENABLED);
}
Example 3
Source File: ParquetMetadataConverter.java    From parquet-mr with Apache License 2.0 4 votes vote down vote up 
private ParquetMetadataConverter(boolean useSignedStringMinMax) {
  this(useSignedStringMinMax, ParquetProperties.DEFAULT_STATISTICS_TRUNCATE_LENGTH);
}