liupc opened a new pull request #27055: [SPARK-30394]Skip DetermineTableStats 
rule when hive table can be converted to datasource table
URL: https://github.com/apache/spark/pull/27055
 
 
   
   ### What changes were proposed in this pull request?
   This PR will skip DeterminTableStats rule when hive table can be converted 
to datasource table, thus can avoid useless stats collection for these table 
when `spark.sql.statistics.fallBackToHdfs` is true.
   
   ### Why are the changes needed?
   This PR can improve performance in some cases.
   
   
   ### Does this PR introduce any user-facing change?
   No
   
   
   ### How was this patch tested?
   UT & test on real clusters
   

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