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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/09/12 17:11:06 UTC

[GitHub] [arrow-datafusion] alamb commented on pull request #3447: add `cast` support inside `values`

alamb commented on PR #3447:
URL: https://github.com/apache/arrow-datafusion/pull/3447#issuecomment-1244040060

   > Hmm, do you mean that maybe we can set some rules about which exprs are valid and use those to filter the input to values() rather than explicitly listing which expressions are valid? It does seem like there should be a better way to do this, because values() can take most (any?) expression that's not aggregate, like substring or case or even try_cast for that matter .. 
   
   Yes, exactly this. 
   
   > maybe a follow-on issue for that? that's beyond me at the moment.
   
   I will do so


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