anishek commented on a change in pull request #549: HIVE-21314 : Hive
Replication not retaining the owner in the replicated table
URL: https://github.com/apache/hive/pull/549#discussion_r259810054
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File path:
ql/src/java/org/apache/hadoop/hive/ql/exec/repl/ExternalTableCopyTaskBuilder.java
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@@ -54,14 +59,53 @@
List<Task<? extends Serializable>> tasks(TaskTracker tracker) {
List<Task<? extends Serializable>> tasks = new ArrayList<>();
Iterator<DirCopyWork> itr = work.getPathsToCopyIterator();
- while (tracker.canAddMoreTasks() && itr.hasNext()) {
+ int numTaskCanBeAdded = tracker.numTaskCanBeAdded();
+ Task<? extends Serializable> barrierTask = TaskFactory.get(new
DependencyCollectionWork(), conf);
+ while (numTaskCanBeAdded-- > 0 && itr.hasNext()) {
DirCopyWork dirCopyWork = itr.next();
Task<DirCopyWork> task = TaskFactory.get(dirCopyWork, conf);
tasks.add(task);
- tracker.addTask(task);
+ barrierTask.addDependentTask(task);
LOG.debug("added task for {}", dirCopyWork);
}
- return tasks;
+
+ if (!tasks.isEmpty()) {
+ tracker.addDependentTask(barrierTask);
+ tracker.addTaskList(tasks);
+ return Collections.singletonList(barrierTask);
+ } else {
+ return tasks;
+ }
+ }
+
+ private static Integer setTargetPathOwnerInt(Path targetPath, Path
sourcePath, HiveConf conf) throws IOException {
Review comment:
why integer return type ?
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