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Posted to github@arrow.apache.org by "wjones127 (via GitHub)" <gi...@apache.org> on 2023/03/23 21:27:51 UTC

[GitHub] [arrow] wjones127 commented on issue #34712: [C++] Utilities to estimate average (de)serialized row size

wjones127 commented on issue #34712:
URL: https://github.com/apache/arrow/issues/34712#issuecomment-1481936921

   Alternatively, instead of returning a single value, it may make more sense to return the value per column. For columns where the size is fixed, it can always be there, and for variable with ones it can be optional.
   
   Note that this kind of metadata is really important for cost-based plan optimizers.


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