dengzhhu653 commented on code in PR #5578:
URL: https://github.com/apache/hive/pull/5578#discussion_r1916273196


##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java:
##########
@@ -10330,6 +10330,108 @@ public boolean deletePartitionColumnStatistics(String 
catName, String dbName, St
     return ret;
   }
 
+  @Override
+  public boolean deletePartitionMultiColumnStatistics(String catName, String 
dbName, String tableName,
+                                                 String partName, List<String> 
partVals, List<String> colNames, String engine)
+          throws NoSuchObjectException, MetaException, InvalidObjectException, 
InvalidInputException {
+    boolean ret = false;
+    Query query = null;
+    dbName = org.apache.commons.lang3.StringUtils.defaultString(dbName,
+            Warehouse.DEFAULT_DATABASE_NAME);
+    catName = normalizeIdentifier(catName);
+    if (tableName == null) {
+      throw new InvalidInputException("Table name is null.");
+    }
+    try {
+      openTransaction();
+      MTable mTable = getMTable(catName, dbName, tableName);
+      MPartitionColumnStatistics mStatsObj;
+      List<MPartitionColumnStatistics> mStatsObjColl;
+      if (mTable == null) {

Review Comment:
   Is this check `mTable == null` redundant? as we validate the `mPartition` 
afterwards



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