On Sun, Apr 10, 2011 at 9:36 PM, Samuel Neff <srneff.li...@gmail.com> wrote:
> I'm sorry, my statement was misleading. I'm referring to immediately after > our application is closed. > > We're seeing that even if the application is gracefully shut down, the -wal > and -shm files are still there. In order to clear them I need to open the > database files with sqlite3.exe and issue a "pragma wal_checkpoint". > The -wal and -shm are deleted when the last connection to the database closes. If you are having -wal and -shm files left over, that implies that you are not closing all your database connections before you exit. > > I'm testing on Windows 7 with ASP.NET applications. > > Thanks, > > Sam > > > > On Sun, Apr 10, 2011 at 9:10 PM, Simon Slavin <slav...@bigfraud.org> > wrote: > > > > > On 11 Apr 2011, at 2:04am, Samuel Neff wrote: > > > > > I'm interested in hearing anyone's experiences of using WAL journal > mode > > on > > > technical support. We often have to copy databases to attach to > customer > > > reports and if the someone were to copy the database file while there > is > > an > > > active -wal file then we would very likely be missing the most > up-to-date > > > data in the copy. I'm not sure if we can rely on support to issue a > > pragma > > > wal_checkpoint prior to doing the copy. > > > > My understanding is that no matter what journaling mode you're using, a > > straight copy of the data file is not 'safe' while the database is open. > If > > you want to backup the data, keep the database closed, or use the special > > SQLite backup API. > > > > Simon. > > _______________________________________________ > > sqlite-users mailing list > > sqlite-users@sqlite.org > > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > > > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > -- D. Richard Hipp d...@sqlite.org _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
