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Posted to notifications@iotdb.apache.org by "Haonan Hou (Jira)" <ji...@apache.org> on 2021/08/31 02:55:00 UTC

[jira] [Created] (IOTDB-1597) DIFF encoding

Haonan Hou created IOTDB-1597:
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             Summary: DIFF encoding
                 Key: IOTDB-1597
                 URL: https://issues.apache.org/jira/browse/IOTDB-1597
             Project: Apache IoTDB
          Issue Type: New Feature
          Components: Core/TsFile
            Reporter: Haonan Hou


In the enum class: TSEncoding, there's DIFF encoding, so when user want to choose a type of encoding algorithm(or input the wrong encoding type name), DIFF encoding is in the output hint and is one of IoTDB's recommending encoding type,
*but in IoTDB, DIFF encoding has not been added before,* which I think may cause some problems.
I think it's necessary to finish it.

Both DIFF and TS_2DIFF encoding are based on delta encoding algorithm,
so I finish DIFF using similar interfaces and structures like TS_2DIFF to make it easier to understand.



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