wecharyu commented on code in PR #5206:
URL: https://github.com/apache/hive/pull/5206#discussion_r1601403285


##########
ql/src/java/org/apache/hadoop/hive/ql/metadata/PartitionTree.java:
##########
@@ -121,8 +122,8 @@ List<Partition> addPartitions(List<Partition> partitions, 
boolean ifNotExists)
    * {@link MetaStoreUtils#getPvals(List, Map)}
    */
   List<Partition> getPartitionsByPartitionVals(List<String> partialPartVals) 
throws MetaException {
-    if (partialPartVals == null || partialPartVals.isEmpty()) {
-      throw new MetaException("Partition partial vals cannot be null or 
empty");
+    if (MetaStoreUtils.arePartValsEmpty(partialPartVals)) {

Review Comment:
   Add null check in `SessionHiveMetaStoreClient`, here we can follow the 
server side behavior to support empty values.



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