Jesse,
>I need to rename a database. I read somewhere that I could simply stop the
>MySQL database server and rename the folder that contains the data,
re-start
>MySQL, and I'm good-to-go. However, I tried this, and while it appears to
>have worked initially, when I try to access one of the tables in the
>database, I get the error, "fccamp.activities doesn't exist". When I
rename
>the folder back to "fccamp_dbo", it works just fine.
It's more complicated than just renaming the directory. Here is what we
wrote for it:
CREATE PROCEDURE RenameDatabase(
IN oldname CHAR (64), IN newname CHAR(64)
)
BEGIN
DECLARE sname CHAR(64) DEFAULT NULL;
DECLARE rows INT DEFAULT 1;
DECLARE total INT DEFAULT 0;
CREATE DATABASE IF NOT EXISTS newname;
REPEAT
SELECT table_name INTO sname
FROM information_schema.tables AS t
WHERE t.table_schema = oldname
LIMIT 1;
SET rows = FOUND_ROWS();
IF rows = 1 THEN
SET @scmd = CONCAT( 'RENAME TABLE ', oldname, '.', sname,
' TO ', newname, '.', sname );
PREPARE cmd FROM @scmd;
EXECUTE cmd;
DEALLOCATE PREPARE cmd;
SET total = total + 1;
END IF;
UNTIL rows = 0 END REPEAT;
IF total > 0 THEN
SET @scmd = CONCAT( "UPDATE mysql.db SET Db = '",
newname,
"' WHERE Db = '", oldname, "'" );
PREPARE cmd FROM @scmd;
EXECUTE cmd;
SET @scmd = CONCAT( "UPDATE mysql.columns_priv SET Db = '",
newname,
"' WHERE Db = '", oldname, "'" );
PREPARE cmd FROM @scmd;
EXECUTE cmd;
DEALLOCATE PREPARE cmd;
FLUSH PRIVILEGES;
END IF;
END;
PB
http://www.artfulsoftware.com
-----
Jesse Castleberry wrote:
I need to rename a database. I read somewhere that I could simply stop the
MySQL database server and rename the folder that contains the data, re-start
MySQL, and I'm good-to-go. However, I tried this, and while it appears to
have worked initially, when I try to access one of the tables in the
database, I get the error, "fccamp.activities doesn't exist". When I rename
the folder back to "fccamp_dbo", it works just fine.
So, how do I rename a database correctly? I'm using MySQL 5.0 in a Windows
XP environment.
Thanks,
Jesse
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