摘要：
1548-Cannot load from mysql.proc. The table is probably corruptedhttp://bugs.mysql.com/bug.php?id=50183原因是mysql.proc升级时有个字段没有升级成功。在5.1中mysql.proc表的comment字段是varchar(64)：`comment` char(64) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL DEFAULT '',但在5.5中应该是text：`comment` text CHARACTER SET utf8 阅读全文
