diff -Nrup a/src/backends/mysql/session.cpp b/src/backends/mysql/session.cpp
--- a/src/backends/mysql/session.cpp 2019-11-09 12:08:01.000000000 -0700
+++ b/src/backends/mysql/session.cpp 2019-12-19 22:08:48.011411151 -0700
@@ -180,10 +180,12 @@ void parse_connect_string(const string &
*password_p = false;
*db_p = false;
*unix_socket_p = false;
+ *port = 0;
*port_p = false;
*ssl_ca_p = false;
*ssl_cert_p = false;
*ssl_key_p = false;
+ *local_infile = 0;
*local_infile_p = false;
*charset_p = false;
*connect_timeout_p = false;