what about creating a VFS for such task ? Can be accomplished in many ways, using heap memory, shared memory... not so easy to do, but not much complicated too... locking can be provided by multiple-readers single-writers locks strategies, etc...
On Sat, Apr 19, 2008 at 2:29 PM, James Gregurich <[EMAIL PROTECTED]> wrote: > > oh good! That isn't the version that ships with Leopard, but I can > live with deploying my own version as part of my app. > > Will l get the writer parallelism I'm after as long as each thread > writes exclusively into its own attached db? > > > in other words....two bulk insert operations going on simultaneously > on the same connection but each insert operation going into a > different attached in-memory db. > > > On Apr 19, 2008, at 9:20 AM, Dan wrote: > > > > > On Apr 19, 2008, at 6:06 AM, James Gregurich wrote: > > > >> > >> I'll ask this question. The answer is probably "no," but I'll ask it > >> for the sake of completeness. > >> > >> > >> Suppose I created an in-memory db. I use the attach command to > >> associate an additional in-memory db. Suppose I assign the main db to > >> thread 1 and the associated db to thread 2. Can I share the > >> connection > >> across the 2 threads if each thread works exclusively in its own db? > >> > >> I am aware that the connection is generally not threadsafe, but will > >> it work if the two threads don't operate on the same db at the same > >> time? > > > > As of 3.5, sqlite connections are threadsafe by default. With > > earlier versions, this trick will not work. > > > > Dan. > > > > > > _______________________________________________ > > 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 > _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
