On Fri, December 11, 2009 7:38 am, Johan De Meersman wrote: > This only works for MyISAM :-)
Good to know -- thanks! > However, there's another solution where you don't need to shut down, and > that works for any engine afaik: > > rename table oldschema.table to newschema.table; Just to be 100% clear -- I assume you have to first create the destination database, and then do this for all the tables in the source database? > I agree that it's a silly thing to not have, but I can't say that I've > encountered a whole lot of instances where I needed it, either. Agreed. Thanks much! -Ken > On Fri, Dec 11, 2009 at 7:04 AM, Ken D'Ambrosio <k...@jots.org> wrote: > > >> Uhhh... wow. Unless I'm very, very, very mistaken, I think you're >> missing something pretty obvious: I believe you can simply a) shut down >> the database b) mv the directory to a different directory name. >> >> *DONE* Your database now has a different name. Boy, that 30 seconds >> of hard labor was sure faster than waiting a week for SQL dumps. >> Granted, I >> can't swear that this is Officially Sanctioned And Approved(tm), but >> I've >> done it many times, myself (and, indeed, just verified it under 5.1 to >> be sure it still worked). >> >> Since you are talking such a significant volume of data, I would >> suggest either testing, or hearing from someone more knowledgeable than >> I, but I >> think this problem is substantially smaller than you've let yourself >> believe. >> >> -Ken >> >> >> >> On Thu, December 10, 2009 11:35 pm, Daevid Vincent wrote: >> >>> How can it possibly be that mySQL doesn't allow you to rename a >>> database? I >>> can't fathom how this can be a difficult task at all to do. Aren't >>> mySQL databases stored in a directory of the DB name? And for INNODB, >>> can't you just find the spot in the ibdata file and alter whatever >>> needs to be changed? This is absolutely absurd. Not even 5.1 has this >>> most basic of features. >>> >>> We have nearly a billion rows. Exporting to a .sql file and importing >>> again can take nearly a week to do (3 days each way and that doesn't >>> even begin to touch on the fact the server would be down)! WTF!? >>> >>> We're running Ubuntu LTS 8.04 w/ Ver 14.12 Distrib 5.0.51a, for >>> debian-linux-gnu (i486) using readline 5.2 >>> >>> Even the manual for 5.1 says this can lose data: >>> http://dev.mysql.com/doc/refman/5.1/en/rename-database.html >>> "This statement was added in MySQL 5.1.7 but was found to be dangerous >>> >> and >>> was removed in MySQL 5.1.23...However, use of this statement could >>> result in loss of database contents, which is why it was removed. Do >>> not use RENAME DATABASE in earlier versions in which it is present." >>> >>> >>> Seriously? Please explain why a simple rename of a database is such a >>> daunting task to mySQL/Sun that all their brilliant minds can't >>> figure this one out? >>> >>> Why isn't there even a bug report for this? >>> >>> >>> >>> >> http://bugs.mysql.com/search.php?search_for=rename+database&boolean=on&; >> st >>> at >>> us[]=Active&severity=&limit=All&order_by=&cmd=display&phpver=&os=0&os >>> _det >>> ai >>> ls=&bug_age=0&tags=&similar=&target=&defect_class=all&workaround_viab >>> ilit y= all&impact=all&fix_risk=all&fix_effort=all&triageneeded= >>> >>> >>> -- >>> MySQL General Mailing List >>> For list archives: http://lists.mysql.com/mysql >>> To unsubscribe: http://lists.mysql.com/mysql?unsub=...@jots.org >>> >>> >>> >>> >>> -- >>> This message has been scanned for viruses and >>> dangerous content by MailScanner, and is believed to be clean. >>> >>> >> >> >> >> -- >> This message has been scanned for viruses and >> dangerous content by MailScanner, and is believed to be clean. >> >> >> -- >> MySQL General Mailing List >> For list archives: http://lists.mysql.com/mysql >> To unsubscribe: http://lists.mysql.com/mysql?unsub=vegiv...@tuxera.be >> >> >> > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is believed to be clean. > > -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql?unsub=arch...@jab.org
