 ALTER TABLE tables_priv
   MODIFY Host char(60) NOT NULL default '',
   MODIFY Db char(64) NOT NULL default '',
-  MODIFY User char(16) NOT NULL default '',
+  MODIFY User char(80) NOT NULL default '',
   MODIFY Table_name char(64) NOT NULL default '',
-  MODIFY Grantor char(77) NOT NULL default '',
+  MODIFY Grantor char(141) NOT NULL default '',
   ENGINE=MyISAM,
   CONVERT TO CHARACTER SET utf8 COLLATE utf8_bin;
 

ALTER TABLE db
  MODIFY Host char(60) NOT NULL default '',
  MODIFY Db char(64) NOT NULL default '',
  MODIFY User char(16) NOT NULL default '',
  ENGINE=MyISAM, CONVERT TO CHARACTER SET utf8 COLLATE utf8_bin;
ALTER TABLE db
  MODIFY  Select_priv enum('N','Y') COLLATE utf8_general_ci DEFAULT 'N' NOT NULL,

ALTER TABLE proc  MODIFY db
                         char(64) collate utf8_bin DEFAULT '' NOT NULL,
                  MODIFY definer
                         char(141) collate utf8_bin DEFAULT '' NOT NULL,
                  MODIFY comment
                         char(64) collate utf8_bin DEFAULT '' NOT NULL;

