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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/05/31 19:28:23 UTC

[GitHub] [arrow-datafusion] alippai commented on issue #451: Add Linked data benchmarks

alippai commented on issue #451:
URL: https://github.com/apache/arrow-datafusion/issues/451#issuecomment-851646571


   @Dandandan I'm not sure on the recursive 
   CTE implementatiomm part, however PostgreSQL has a brief description on the algorithm https://www.postgresql.org/docs/current/queries-with.html#QUERIES-WITH-SELECT . You are right that some queries need pretty complex features like subquerries, window functions, date handling, generate_subscripts. A more lightweight version of the benchmark can be found as well: https://github.com/ldbc/lsqb/ this focuses on various joins (join, antijoin, outer join) instead of the "recursive" workload.


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