Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.1.0
    • Component/s: Format
    • Labels:
      None

      Description

      File layout:
      (DictionaryBatch, RecordBatch, Schema as defined in Message.fbs)

      MAGIC:   ARROW1
      (
      DictionaryBatch:  DictionaryBatch Header (FlatBuffer)
      DictionaryBatch: DictionaryBatch Body (buffers concatenated)
      )*
      (
      RecordBacth: RecordBatch Header (FlatBuffer)
      RecordBacth: RecordBatch Body (buffers concatenated)
      )+
      Footer: Flatbuffer
      Footer length: int (4 bytes unsigned LE)
      MAGIC: ARROW1
      

      Footer definition:

      table Footer {
        schema: org.apache.arrow.flatbuf.Schema;
        dictionaries: [ Block ];
        recordBatches: [ Block ];
      }
      struct Block {
        offset: long;
        metaDataLength: int;
        bodyLength: long;
      }
      

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              • Assignee:
                julienledem Julien Le Dem
                Reporter:
                julienledem Julien Le Dem
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                Dates

                • Created:
                  Updated:
                  Resolved: