kgyrtkirk commented on a change in pull request #784: HIVE-22235 
CommandProcessorResponse should not be an exception
URL: https://github.com/apache/hive/pull/784#discussion_r332935605
 
 

 ##########
 File path: ql/src/java/org/apache/hadoop/hive/ql/DriverState.java
 ##########
 @@ -86,16 +86,35 @@ public void compiling() {
     driverState = State.COMPILING;
   }
 
+  public void compilingWithLocking() {
+    lock();
+    try {
+      driverState = State.COMPILING;
+    } finally {
+      unlock();
+    }
+  }
+
   public boolean isCompiling() {
     return driverState == State.COMPILING;
   }
 
-  public void compilationInterrupted(boolean deferClose) {
-    driverState = deferClose ? State.EXECUTING : State.ERROR;
+  public void compilationInterruptedWithLocking(boolean deferClose) {
 
 Review comment:
   I don't really see these methods really usefull
   how about a single method named "transition(newState)"
   then the control logic: "wasError" / "deferClose"  can be left outside 

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