From 36593d5cc378ff7824aa0677a0ff219507599264 Mon Sep 17 00:00:00 2001
From: Alexander Kuzmenkov <akuzm@yandex-team.ru>
Date: Wed, 28 Apr 2021 13:26:23 +0300
Subject: [PATCH] reinitialize the connection after errors

---
 programs/client/Client.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/programs/client/Client.cpp b/programs/client/Client.cpp
index 405ef36e980..d9ba2ddaf08 100644
--- a/programs/client/Client.cpp
+++ b/programs/client/Client.cpp
@@ -1518,6 +1518,11 @@ private:
                 server_exception.reset();
                 client_exception.reset();
                 have_error = false;
+
+                // We have to reinitialize connection after errors, because it
+                // might have gotten into a wrong state and we'll get false
+                // positives about "Unknown packet from server".
+                connection->forceConnected(connection_parameters.timeouts);
             }
             else if (ast_to_process->formatForErrorMessage().size() > 500)
             {