Github user l00357089 commented on a diff in the pull request:

    https://github.com/apache/spark/pull/9588#discussion_r45952083
  
    --- Diff: 
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala ---
    @@ -491,10 +493,14 @@ private[hive] class HiveMetastoreCatalog(val client: 
ClientInterface, hive: Hive
         result.copy(expectedOutputAttributes = Some(metastoreRelation.output))
       }
     
    -  override def getTables(databaseName: Option[String]): Seq[(String, 
Boolean)] = {
    +  override def getTables(databaseName: Option[String]): Seq[(String, 
Boolean)] = {hive
         val db = databaseName.getOrElse(client.currentDatabase)
    +    client.listTables(db).map(tableName => getTable(db, tableName))
    --- End diff --
    
    @dilipbiswal  Hello, are you still working on this problem? I 'm still 
interested in this problem and  think it is  this part that causes SPARK-6618 
test failed. Cause the test is about concurrent acces to metastore, after 
client.listTables gets all the tables,  then DROP TABLE action may occur,  and 
then run getTable will thrown NosuchTable Exception.


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