yiguolei commented on code in PR #50939:
URL: https://github.com/apache/doris/pull/50939#discussion_r2094292323


##########
fe/fe-core/src/main/java/org/apache/doris/service/arrowflight/DorisFlightSqlProducer.java:
##########
@@ -584,6 +592,25 @@ public void 
getStreamCrossReference(CommandGetCrossReference command, CallContex
         throw 
CallStatus.UNIMPLEMENTED.withDescription("getStreamCrossReference 
unimplemented").toRuntimeException();
     }
 
+    @Override
+    public void closeSession(CloseSessionRequest request, final CallContext 
context,
+            final StreamListener<CloseSessionResult> listener) {
+        // https://github.com/apache/arrow-adbc/issues/2821
+        // currently FlightSqlConnection does not provide a separate interface 
for external calls to
+        // FlightSqlClient::closeSession(), nor will it automatically call 
closeSession
+        // when FlightSqlConnection::close(). Python flight sql Cursor.close() 
will call closeSession().
+        // Neither C++ nor Java seem to have similar behavior.
+        try {
+            flightSessionsManager.closeConnectContext(context.peerIdentity());
+        } catch (final Exception e) {

Review Comment:
   and here



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