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Posted to jira@arrow.apache.org by "Micah Kornfield (Jira)" <ji...@apache.org> on 2021/04/04 16:52:00 UTC

[jira] [Created] (ARROW-12196) [C++] C++ IPC reading looks like it doesn't support uncompressed buffers

Micah Kornfield created ARROW-12196:
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             Summary: [C++] C++ IPC reading looks like it doesn't support uncompressed buffers 
                 Key: ARROW-12196
                 URL: https://issues.apache.org/jira/browse/ARROW-12196
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++
            Reporter: Micah Kornfield


https://github.com/apache/arrow/blob/master/cpp/src/arrow/ipc/reader.cc#L411 does seems to check for the case (I'm not sure if this is the right code though):
  uncompressed length may be set to -1 to indicate that the data that follows is not compressed, which can be useful for cases where compression does not yield appreciable savings.

https://github.com/apache/arrow/blob/5cabd31c90dbb32d87074928f68bf5d6e97e37c6/format/Message.fbs#L59



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