jshmchenxi commented on a change in pull request #2500:
URL: https://github.com/apache/hive/pull/2500#discussion_r674732170
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File path: ql/src/java/org/apache/hadoop/hive/ql/exec/ConditionalTask.java
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@@ -32,6 +33,8 @@
public class ConditionalTask extends Task<ConditionalWork> implements
Serializable {
private static final long serialVersionUID = 1L;
+ private static final ReentrantLock RESOLVE_TASK_LOCK = new ReentrantLock();
Review comment:
I think that's nice! And we may just use `Task.queryState` instead of
accessing `queryStateMap`?
I put the lock in session level because in our use case we seldom run
queries in parallel within one session.
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