Alima777 commented on a change in pull request #2352:
URL: https://github.com/apache/iotdb/pull/2352#discussion_r555030657
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File path:
server/src/main/java/org/apache/iotdb/db/qp/executor/PlanExecutor.java
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@@ -327,6 +339,32 @@ private void operateCreateSnapshot() {
IoTDB.metaManager.createMTreeSnapshot();
}
+ private void operateKillQuery(KillQueryPlan killQueryPlan) throws
QueryIdNotExsitException {
+ QueryTimeManager queryTimeManager = QueryTimeManager.getInstance();
+ long killQueryId = killQueryPlan.getQueryId();
+ if (killQueryId != -1) {
+ if (queryTimeManager.getQueryThreadMap().get(killQueryId) != null) {
+ queryTimeManager.getQueryThreadMap().computeIfPresent(killQueryId, (k,
v) -> {
+ queryTimeManager.killQuery(k);
+ return null;
+ });
+ } else {
+ throw new QueryIdNotExsitException(String
+ .format("Query Id %d is not exist, please check it.",
killQueryPlan.getQueryId()));
+ }
+ } else {
+ // if queryId is not specified, kill all running queries
+ if (!queryTimeManager.getQueryThreadMap().isEmpty()) {
+ synchronized (queryTimeManager.getQueryThreadMap()) {
Review comment:
To keep thread safe while iterating.
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