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MDEV-10455: libmariadbclient18 + MySQL-python leaks memory on failed connections

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Support of CLIENT_REMEMBER_OPTIONS and freeing options added.
This commit is contained in:
Oleksandr Byelkin 2016-08-11 17:50:21 +02:00
parent b5fb2a685b
commit 66ac894c40
2 changed files with 4 additions and 2 deletions
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4
sql-common/client.c
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@ -3644,6 +3644,8 @@ error:
/* Free alloced memory */
end_server(mysql);
mysql_close_free(mysql);
if (!(client_flag & CLIENT_REMEMBER_OPTIONS))
mysql_close_free_options(mysql);
}
DBUG_RETURN(0);
}
@ -3714,7 +3716,7 @@ my_bool mysql_reconnect(MYSQL *mysql)
}
if (!mysql_real_connect(&tmp_mysql,mysql->host,mysql->user,mysql->passwd,
mysql->db, mysql->port, mysql->unix_socket,
mysql->client_flag))
mysql->client_flag | CLIENT_REMEMBER_OPTIONS))
{
if (ctxt)
my_context_install_suspend_resume_hook(ctxt, NULL, NULL);

2
sql/slave.cc
View file

@ -6061,7 +6061,7 @@ static int connect_to_master(THD* thd, MYSQL* mysql, Master_info* mi,
#ifndef DBUG_OFF
mi->events_till_disconnect = disconnect_slave_event_count;
#endif
ulong client_flag= 0;
ulong client_flag= CLIENT_REMEMBER_OPTIONS;
if (opt_slave_compressed_protocol)
client_flag=CLIENT_COMPRESS; /* We will use compression */