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-rw-r--r--client/mysql_upgrade.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/client/mysql_upgrade.c b/client/mysql_upgrade.c
index 64de3d19882..f2bd4a3fa35 100644
--- a/client/mysql_upgrade.c
+++ b/client/mysql_upgrade.c
@@ -88,8 +88,13 @@ static struct my_option my_long_options[]=
{"pipe", 'W', "Use named pipes to connect to server.", 0, 0, 0,
GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
- {"port", 'P', "Port number to use for connection.", 0,
- 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
+ {"port", 'P', "Port number to use for connection or 0 for default to, in "
+ "order of preference, my.cnf, $MYSQL_TCP_PORT, "
+#if MYSQL_PORT_DEFAULT == 0
+ "/etc/services, "
+#endif
+ "built-in default (" STRINGIFY_ARG(MYSQL_PORT) ").",
+ 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"protocol", OPT_MYSQL_PROTOCOL,
"The protocol of connection (tcp,socket,pipe,memory).",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},