okumin commented on code in PR #4731:
URL: https://github.com/apache/hive/pull/4731#discussion_r1341961252
##########
ql/src/java/org/apache/hadoop/hive/ql/processors/SetProcessor.java:
##########
@@ -255,6 +256,10 @@ public Map<String, String> getHiveVariable() {
}
}
conf.verifyAndSet(key, value);
+ if (conf.isLockedConfig(key)) {
+ console.printWarn("Cannot modify " + key + " at runtime. "
+ + "It is in the list of locked configurations that can't be
modified at runtime");
Review Comment:
I verified I could see this message via Beeline.
```
0: jdbc:hive2://hive-hiveserver2:10000/defaul> set hive.conf.locked.list;
+----------------------------------------------+
| set |
+----------------------------------------------+
| hive.conf.locked.list=hive.execution.engine |
+----------------------------------------------+
1 row selected (0.066 seconds)
0: jdbc:hive2://hive-hiveserver2:10000/defaul> set hive.execution.engine=mr;
WARN : Cannot modify hive.execution.engine at runtime. It is in the list of
locked configurations that can't be modified at runtime
```
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