Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/14971#discussion_r79281449
  
    --- Diff: 
sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveClientImpl.scala 
---
    @@ -378,6 +380,47 @@ private[hive] class HiveClientImpl(
     
           val properties = Option(h.getParameters).map(_.asScala.toMap).orNull
     
    +      val excludedTableProperties = Set(
    +        // The following are hive-generated statistics fields. Currently, 
only total_size and
    +        // row_count are used to populate the dedicated field `stats`.
    +        // TODO: stats should include all the other three fields.
    +        StatsSetupConst.COLUMN_STATS_ACCURATE,
    +        StatsSetupConst.NUM_FILES,
    +        StatsSetupConst.NUM_PARTITIONS,
    +        StatsSetupConst.ROW_COUNT,
    +        StatsSetupConst.RAW_DATA_SIZE,
    --- End diff --
    
    `CatalogTable` have a field `unsupportedFeatures`, can we extend it to hide 
this kind of hive specific properties which are only useful in alter table?


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