gortiz commented on code in PR #14507: URL: https://github.com/apache/pinot/pull/14507#discussion_r1888281510
########## pinot-query-planner/src/main/java/org/apache/pinot/query/planner/serde/PlanNodeDeserializer.java: ########## @@ -117,8 +117,18 @@ private static MailboxReceiveNode deserializeMailboxReceiveNode(Plan.PlanNode pr private static MailboxSendNode deserializeMailboxSendNode(Plan.PlanNode protoNode) { Plan.MailboxSendNode protoMailboxSendNode = protoNode.getMailboxSendNode(); + + List<Integer> receiverIds; + List<Integer> protoReceiverIds = protoMailboxSendNode.getReceiverStageIdsList(); + if (protoReceiverIds == null || protoReceiverIds.isEmpty()) { + // This should only happen if a not updated broker sends the request + receiverIds = List.of(protoMailboxSendNode.getReceiverStageId()); Review Comment: This (and the change in proto) is what keeps backward compatibility -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org