Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.8.0, 0.9.0
    • Component/s: None
    • Labels:

      Description

      Parquet is a columnar storage format developed by Twitter. Implement Parquet (http://parquet.io/) support for Tajo.

      The implementation consists of the following:

      • ParquetScanner and ParquetAppender - FileScanner and FileAppenders for reading and writing Parquet.
      • TajoParquetReader and TajoParquetWriter - Top-level reader and writer for serializing/deserializing to Tajo Tuples.
      • TajoReadSupport and TajoWriteSupport - Abstractions to perform conversion between Parquet and Tajo records.
      • TajoRecordMaterializer - Materializes Tajo Tuples from Parquet's internal representation.
      • TajoRecordConverter - Used by TajoRecordMateriailzer to materialize a Tajo Tuple.
      • TajoSchemaConverter - Converts between Tajo and Parquet schemas.

        Attachments

        1. null_handling.patch
          4 kB
          Hyunsik Choi
        2. TAJO-30_20140326_05:06:57.patch
          74 kB
          David Chen
        3. TAJO-30_20140326_05:34:17.patch
          74 kB
          David Chen
        4. TAJO-30_20140326_21:04:36.patch
          74 kB
          David Chen
        5. TAJO-30.patch
          56 kB
          David Chen

          Issue Links

            Activity

              People

              • Assignee:
                davidzchen David Chen
                Reporter:
                hyunsik Hyunsik Choi
              • Votes:
                0 Vote for this issue
                Watchers:
                11 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: