TEMP tables get created in database temp; which is located in "a file" or "in memory" depending on the SQLITE_TEMP_STORE preprocessor symbol and the pragma temp_store.
-----Ursprüngliche Nachricht----- Von: Stephan Beal [mailto:sgb...@googlemail.com] Gesendet: Montag, 27. Oktober 2014 11:44 An: General Discussion of SQLite Database Betreff: Re: [sqlite] quasi-bug related to locking, and attached databases.... On Mon, Oct 27, 2014 at 11:08 AM, Stephan Beal <sgb...@googlemail.com> wrote: > - TEMP tables get created in the MAIN db (assuming my memory of the > docs is correct), which means we can (though accidental misuse or > carelessness) end up filling up RAM with temporary tables (which we > use regularly to process large data amounts). This is my biggest concern with > this approach. > In fact, it seems impossible to use any db _except_ the main one for temp tables: sqlite> .databases seq name file --- --------------- ---------------------------------------------------------- 0 main /home/portal/tmp/bar.db 2 foo /home/portal/tmp/foo.db sqlite> create temp table foo.baz(z); Error: temporary table name must be unqualified Which rules out use of a :memory: db has the local "main" - we make use of temp tables with arbitrarily large data sets. -- ----- stephan beal http://wanderinghorse.net/home/stephan/ http://gplus.to/sgbeal "Freedom is sloppy. But since tyranny's the only guaranteed byproduct of those who insist on a perfect world, freedom will have to do." -- Bigby Wolf _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users ___________________________________________ Gunter Hick Software Engineer Scientific Games International GmbH FN 157284 a, HG Wien Klitschgasse 2-4, A-1130 Vienna, Austria Tel: +43 1 80100 0 E-Mail: h...@scigames.at This communication (including any attachments) is intended for the use of the intended recipient(s) only and may contain information that is confidential, privileged or legally protected. Any unauthorized use or dissemination of this communication is strictly prohibited. If you have received this communication in error, please immediately notify the sender by return e-mail message and delete all copies of the original communication. Thank you for your cooperation. _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
