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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/07/21 01:14:40 UTC
[GitHub] [spark] maropu edited a comment on issue #24759:
[SPARK-27395][SQL][WIP] Improve EXPLAIN command
maropu edited a comment on issue #24759: [SPARK-27395][SQL][WIP] Improve EXPLAIN command
URL: https://github.com/apache/spark/pull/24759#issuecomment-513510747
hi @dilipbiswal, this activity looks nice to me and I like this. I'm currently not sure that this current approach is the best for spark, so I think studying EXPLAIN output in other DBMS-like systems is beneficial for this? Also, any reference that this current approach is based on?
Anyway, I checked EXPLAIN output in postgresql, mysql, and presto by using TPCDS q1;
https://gist.github.com/maropu/487dcb0837f4ae6ae412db549617897c
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