SourabhBadhya commented on code in PR #5076:
URL: https://github.com/apache/hive/pull/5076#discussion_r1505590111


##########
ql/src/java/org/apache/hadoop/hive/ql/plan/ConditionalResolverMergeFiles.java:
##########
@@ -512,7 +555,30 @@ private void setupWorkWhenUsingManifestFile(MapWork 
mapWork, List<FileStatus> fi
     mapWork.setUseInputPathsDirectly(true);
   }
 
-  private Map<FileStatus, List<FileStatus>> getManifestDirs(FileSystem inpFs, 
List<FileStatus> fileStatuses)
+  private void setupWorkWhenUsingCustomHandler(MapWork mapWork, Path dirPath,
+                                               StorageHandlerMergeProperties 
mergeProperties) throws ClassNotFoundException {
+    Map<String, Operator<? extends OperatorDesc>> aliasToWork = 
mapWork.getAliasToWork();
+    Map<Path, PartitionDesc> pathToPartitionInfo = 
mapWork.getPathToPartitionInfo();
+    Operator<? extends OperatorDesc> op = aliasToWork.get(dirPath.toString());
+    PartitionDesc partitionDesc = pathToPartitionInfo.get(dirPath);
+    Path tmpDir = mergeProperties.getTmpLocation();

Review Comment:
   `mergeProperties` is present when its used under storage handler which 
supports it. The boolean `customStorageHandler` if true should make sure that 
`mergeProperties`is not null.



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