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MXS-1653: Remove false error message

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Removed false error message about failed session commands. An error in
response to a session command is a perfectly valid result.

Also added the explicit commands that the master and slave return to the
warning that is logged when the results differ.
This commit is contained in:
Markus Mäkelä
2018-02-07 15:57:49 +02:00
parent 2181c9d240
commit 14a4008c84
3 changed files with 4 additions and 33 deletions
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28
server/modules/routing/readwritesplit/rwsplit_mysql.cc
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@ -283,34 +283,6 @@ void closed_session_reply(GWBUF *querybuf)
}
}
/*
* Uses MySQL specific mechanisms
*/
/**
* @brief Check the reply from a backend server to a session command
*
* If the reply is an error, a message is logged.
*
* @param buffer Query buffer containing reply data
* @param backend Router session data for a backend server
*/
void check_session_command_reply(GWBUF *buffer, SRWBackend& backend)
{
if (MYSQL_IS_ERROR_PACKET(((uint8_t *)GWBUF_DATA(buffer))))
{
size_t replylen = MYSQL_GET_PAYLOAD_LEN(GWBUF_DATA(buffer));
char replybuf[replylen];
gwbuf_copy_data(buffer, 0, gwbuf_length(buffer), (uint8_t*)replybuf);
std::string err;
std::string msg;
err.append(replybuf + 8, 5);
msg.append(replybuf + 13, replylen - 4 - 5);
MXS_ERROR("Failed to execute session command in %s. Error was: %s %s",
backend->uri(), err.c_str(), msg.c_str());
}
}
/**
* @brief Send an error message to the client telling that the server is in read only mode
*