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Posted to gitbox@hive.apache.org by GitBox <gi...@apache.org> on 2021/02/10 12:50:23 UTC

[GitHub] [hive] pgaref commented on pull request #1286: HIVE-23882: Compiler should skip MJ keyExpr for probe optimization

pgaref commented on pull request #1286:
URL: https://github.com/apache/hive/pull/1286#issuecomment-776684576


   Hey @kgyrtkirk can you please take another look here? Tests passed, had to retriger.
   
   Extended the backtracking logic to use the non-RS brach for the probe-MJ logic -- this actually revealed several missed or wrong optimizations (updated q outs).
   Also extended the optimization logic to check if there a type Cast between src and destination (as the types have to match in the probe case) and only use it on the LLAP mode (probedecode's target).
   
   


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