likun666661 commented on PR #38790:
URL: https://github.com/apache/arrow/pull/38790#issuecomment-1841033082

   > Thanks for your contribution! The proposal sounds good: caching at node 
level is indeed better. I have a couple of questions regarding the 
implementation:
   > 
   > 1. Could you resolve the conflicts so that we can initiate the CI checks?
   > 2. I see that schema checks are completely removed. Will invalid execution 
happen, e.g. `Projector` of one type executed on a `RecordBatch` of another 
type? If so, is it possible to keep the checks on types and only skip the 
checks on names?
   
   I add some check for invalid execution happen as you said. Thanks for the 
advice.


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