Do not try to dump or reload information_schema. It is derived meta information, not real tables.
> -----Original Message----- > From: Rafał Radecki [mailto:radecki.ra...@gmail.com] > Sent: Monday, February 04, 2013 12:17 AM > To: mysql@lists.mysql.com > Subject: Mysqldump routines dump, problem with lock tables. > > Hi All. > > I use: > > # rpm -qa | grep -i percona-server-server > Percona-Server-server-55-5.5.28-rel29.3.388.rhel6.x86_64 > > My system: > > # uname -a;cat /etc/redhat-release > Linux prbc01.mg.local 2.6.32-279.19.1.el6.centos.plus.x86_64 #1 SMP Wed > Dec 19 06:20:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux Red Hat > Enterprise Linux Server release 6.3 (Santiago) > > I have a backup script which at some point calls: > > mysqldump --default-character-set=utf8 --routines --no-data --no- > create-info --skip-triggers -S /mysql/database.sock -u backup -pxxx > database > > and I have error: > > mysqldump: Got error: 1045: Access denied for user 'yyy'@'zzz' (using > password: YES) when using LOCK TABLES > > So I thinke that mysqldump locks the table (--add-locks) by default. > > But for this user: > > mysql> show grants for yyy@'zzz'; > +---------------------------------------------------------------------- > ----------------------------------------------------------------------- > ---+ > | Grants for backup@localhost > > | > +---------------------------------------------------------------------- > ----------------------------------------------------------------------- > ---+ > | GRANT SELECT, RELOAD, LOCK TABLES, SHOW VIEW ON *.* TO 'yyy'@'zzz' > IDENTIFIED BY PASSWORD ... | > | > +---------------------------------------------------------------------- > ----------------------------------------------------------------------- > ---+ > 2 rows in set (0.00 sec) > > So why is this error showing? > When I add --single-transaction to mysqldump everything is ok. But I > would like to have this table locked because: > > mysql> SELECT ENGINE > -> FROM information_schema.TABLES > -> WHERE TABLE_SCHEMA = 'information_schema' > -> AND TABLE_NAME = 'routines'; > +--------+ > | ENGINE | > +--------+ > | MyISAM | > +--------+ > > so information_schema.tables is myisam. > > So why do I get the error about LOCK TABLES? > > Best regards, > Rafal Radecki. > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/mysql -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql
