morningman commented on a change in pull request #5620:
URL: https://github.com/apache/incubator-doris/pull/5620#discussion_r613170837
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File path: fe/fe-core/src/main/java/org/apache/doris/qe/StmtExecutor.java
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@@ -253,7 +253,10 @@ public void execute() throws Exception {
// Exception:
// IOException: talk with client failed.
public void execute(TUniqueId queryId) throws Exception {
-
+ // origin value init
+ VariableMgr.setIsSingleSetVar(false);
+ VariableMgr.clearMapSessionOriginValue();
Review comment:
VariableMgr is not a thread safe class.
But `execute()` can be called by multi threads
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