Revert "[SPARK-5195][sql]Update HiveMetastoreCatalog.scala(override the MetastoreRelation's sameresult method only compare databasename and table name)"

This reverts commit 54864403c4f132d9c1380c015122a849dd44dff8.

2 files changed, 0 insertions, 15 deletions

diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala
index 1f562accd9..bbf6752a56 100644
--- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala
+++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala
@@ -522,15 +522,6 @@ private[hive] case class MetastoreRelation
     }
   )
 
-  /** Only compare database and tablename, not alias. */
-  override def sameResult(plan: LogicalPlan): Boolean = {
-    plan match {
-      case mr: MetastoreRelation =>
-        mr.databaseName == databaseName && mr.tableName == tableName
-      case _ => false
-    }
-  }
-
   val tableDesc = HiveShim.getTableDesc(
     Class.forName(
       hiveQlTable.getSerializationLib,
diff --git a/sql/hive/src/test/scala/org/apache/spark/sql/hive/CachedTableSuite.scala b/sql/hive/src/test/scala/org/apache/spark/sql/hive/CachedTableSuite.scala
index 1ff04e9d86..f95a6b43af 100644
--- a/sql/hive/src/test/scala/org/apache/spark/sql/hive/CachedTableSuite.scala
+++ b/sql/hive/src/test/scala/org/apache/spark/sql/hive/CachedTableSuite.scala
@@ -64,12 +64,6 @@ class CachedTableSuite extends QueryTest {
       sql("SELECT * FROM src"),
       preCacheResults)
 
-    assertCached(sql("SELECT * FROM src s"))
-
-    checkAnswer(
-      sql("SELECT * FROM src s"),
-      preCacheResults)
-    
     uncacheTable("src")
     assertCached(sql("SELECT * FROM src"), 0)
   }