Here is a new rev of the patch which deals with the scenario mentioned by Andrei [1] in which the queryId may change due to a cached query invalidation.
[1] https://www.postgresql.org/message-id/724348C9-8023-41BC-895E-80634E79A538%40amazon.com Regards, Sami
0001-v2-Fix-Extended-Query-Protocol-handling-of-queryId.patch
Description: 0001-v2-Fix-Extended-Query-Protocol-handling-of-queryId.patch