[GitHub] [arrow] velvia commented on pull request #4815: [DISCUSS] Add strawman proposal for sparseness and data integrity

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velvia commented on pull request #4815:
URL: https://github.com/apache/arrow/pull/4815#issuecomment-827316824


   Hi Andrew and others,
   
   I really like the idea of separating out encoding from the core column types.  Either
   a) composing them from existing types, kind of like what the Dictionary types do, or
   b) adding supplementary buffers etc.
   
   -Evan
   
   > On Apr 26, 2021, at 3:06 PM, Andrew Lamb ***@***.***> wrote:
   > 
   > 
   > Got it @emkornfield <https://github.com/emkornfield> -- cumulative run lengths is an interesting idea.
   > 
   > getting a better framework to separate out "encoding" from the logical types I do think would be a better design that combining the two as we do now with DictionaryArray
   > 
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