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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2020/11/26 16:06:34 UTC

[GitHub] [iotdb] HTHou commented on issue #2131: Precision loss and incompatible precisions between select and select last.

HTHou commented on issue #2131:
URL: https://github.com/apache/iotdb/issues/2131#issuecomment-734380751


   Hi, I think `RLE` is not a good choice for high precision. If you looking for high precision, better to use `GORILLA` instead.  
   
   Please see this doc on website for more information of the encoding precision.
   https://iotdb.apache.org/UserGuide/Master/Concept/Encoding.html
   
   The reason why `select last` doesn't loss precision is the result is cached when the data insert. :)


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