Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/16592#discussion_r104819845 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLSuite.scala --- @@ -867,8 +965,10 @@ class DDLSuite extends QueryTest with SharedSQLContext with BeforeAndAfterEach { sql("ALTER TABLE tab1 RECOVER PARTITIONS") assert(catalog.listPartitions(tableIdent).map(_.spec).toSet == Set(part1, part2)) - assert(catalog.getPartition(tableIdent, part1).parameters("numFiles") == "1") - assert(catalog.getPartition(tableIdent, part2).parameters("numFiles") == "2") + if (!isUsingHiveMetastore) { + assert(catalog.getPartition(tableIdent, part1).parameters("numFiles") == "1") --- End diff -- After [ALTER TABLE](https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala#L599), the statistics info of the first partition is removed by Hive megastore. : (
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