On 9/2/2010 3:31 PM, Julien Lory wrote:
Hello,
I've done lot of researches and tests but can't find any answer. I need
to share one table between two db, those two db are in the same path (
/var/lib/mysql/db1 & db2 ). I created symbolic links for db2 pointing to
the table in db1.
When I query the table from db2 I get this error :
'ERROR 1030 (HY000): Got error 140 from storage engine'
I'm sure it was working in previous version of MySQL, but from the last
version it's no longer working.
This is how it looks :
test-lan:/var/lib/mysql/test3# ls -alh
drwx------ 2 mysql mysql 4.0K 2010-08-30 13:28 .
drwxr-xr-x 6 mysql mysql 4.0K 2010-08-30 13:29 ..
lrwxrwxrwx 1 mysql mysql 28 2010-08-30 13:28 blbl.frm ->
/var/lib/mysql/test/blbl.frm
lrwxrwxrwx 1 mysql mysql 28 2010-08-30 13:28 blbl.MYD ->
/var/lib/mysql/test/blbl.MYD
lrwxrwxrwx 1 mysql mysql 28 2010-08-30 13:28 blbl.MYI ->
/var/lib/mysql/test/blbl.MYI
-rw-rw---- 1 mysql mysql 65 2010-08-30 13:24 db.opt
I really need those symlinks, is there a way to make them working like
before ? ( old MySQL-server is fine )
You cannot share one set of files (one table) between two different
MySQL instances. That also means that you cannot share a table between
the same instance by pretending it's something else by a symlink. The
storage engines are designed with the premise that they have exclusive
domain over the files they manage. Sharing is not part of their code.
If you need to expose a table from within a different database, you must
use a view.
--
Shawn Green
MySQL Principal Technical Support Engineer
Oracle USA, Inc.
Office: Blountville, TN
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