dengzhhu653 commented on code in PR #5206:
URL: https://github.com/apache/hive/pull/5206#discussion_r1607409991


##########
ql/src/java/org/apache/hadoop/hive/ql/metadata/SessionHiveMetaStoreClient.java:
##########
@@ -1201,7 +1201,7 @@ public List<String> listPartitionNames(String catName, 
String dbName, String tbl
   public List<String> listPartitionNames(String catName, String dbName, String 
tblName,
       List<String> partVals, int maxParts) throws TException {
     org.apache.hadoop.hive.metastore.api.Table table = getTempTable(dbName, 
tblName);
-    if (table == null) {
+    if (table == null || partVals == null) {

Review Comment:
   > Because SessionHiveMetaStoreClient extends HiveMetaStoreClient, it should 
also check null for part_vals like HiveMetaStoreClient
   
   I think you cannot just push the null check of a temporary table in 
`HiveMetaStoreClient`,  and the `PartitionTree` is for the temporary table to 
process the partition request, it works at the client side, why not put the 
check here?
   
   



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