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Merge pull request #40881 from coelho/patch-1

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Fix uncaught DNS_ERROR on failed connection to replicas
This commit is contained in:
Kruglov Pavel 2022-09-08 13:32:45 +02:00 committed by GitHub
commit 04aea19b31
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2 changed files with 3 additions and 1 deletions
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2
src/Client/ConnectionEstablisher.cpp
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@ -16,6 +16,7 @@ namespace ErrorCodes
extern const int ATTEMPT_TO_READ_AFTER_EOF;
extern const int NETWORK_ERROR;
extern const int SOCKET_TIMEOUT;
extern const int DNS_ERROR;
}
ConnectionEstablisher::ConnectionEstablisher(
@ -90,6 +91,7 @@ void ConnectionEstablisher::run(ConnectionEstablisher::TryResult & result, std::
catch (const Exception & e)
{
if (e.code() != ErrorCodes::NETWORK_ERROR && e.code() != ErrorCodes::SOCKET_TIMEOUT
&& e.code() != ErrorCodes::DNS_ERROR
&& e.code() != ErrorCodes::ATTEMPT_TO_READ_AFTER_EOF)
throw;

2
tests/queries/0_stateless/00965_shard_unresolvable_addresses.sql
View File

@ -2,7 +2,7 @@
SET prefer_localhost_replica = 1;
SELECT count() FROM remote('127.0.0.1,localhos', system.one); -- { serverError 198 }
SELECT count() FROM remote('127.0.0.1,localhos', system.one); -- { serverError 279 }
SELECT count() FROM remote('127.0.0.1|localhos', system.one);
-- Clear cache to avoid future errors in the logs