Yeah, I do this all the time with STL and a critical section lock. A list, or set and a lock is all you need. list of vectors for instance. Set if you want it to automatically reject duplicated, a list for just dumping data to it.
C Tuesday, March 23, 2010, 2:22:35 PM, you wrote: PI> I'd suggest you to use any kind of memory structure (like deque or PI> whatever you prefer) for transferring data from one thread to another. PI> Besides anything else it will be faster than using SQLite for this PI> particular task. PI> As you have already understood there's no way you can make 2 PI> connections to one in-memory database. Although you can use one PI> connection from both thread so that threads will naturally block each PI> other while they're doing their piece of job. PI> Pavel PI> On Tue, Mar 23, 2010 at 1:55 PM, Jakub Ladman <ladm...@volny.cz> wrote: >> Hello to all >> >> I am back here to mailing list after about two years and also back to >> programming with sqlite in general. >> >> I have new task and i do not know how to do it. >> >> I need an application consisting two threads. >> In one of them i need to store incomming "messages" (one message is 1 to 8 >> bytes of data) to temporary table existing only in memory. >> It needs to be fast, storing hundreds of messages per second. >> There i have a trigger deleting old rows and creating some sort of circular >> buffer. >> In separate thread there should be done some selects (read only) on this >> table >> sorting the informations and storing them into separate table(s) located on >> disk (jffs2 filesystem). >> >> I do not know how to do two connections to memory stored table(fast, and not >> wasting the flash memory writes). >> The database opened as :memory: is separate for every thread, same as >> temporary table with pragma temp_store = MEMORY. >> >> Do you have any clue? >> Is it completely stupid way? >> >> Thank You >> >> Jakub Ladman >> _______________________________________________ >> sqlite-users mailing list >> sqlite-users@sqlite.org >> http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users >> PI> _______________________________________________ PI> sqlite-users mailing list PI> sqlite-users@sqlite.org PI> http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users -- Best regards, Teg mailto:t...@djii.com _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
