On Fri, Oct 16, 2009 at 3:09 PM, Stephan Wehner <stephanweh...@gmail.com> wrote: > On Fri, Oct 16, 2009 at 12:58 PM, Simon Slavin > <slav...@hearsay.demon.co.uk> wrote: >> >> On 16 Oct 2009, at 8:53pm, P Kishor wrote: >> >>> If neither the username nor the email exist in the db, then the >>> application creates a record and informs the user of success. Except, >>> the previous ajax request (I am assuming it is the previous ajax >>> request from onblur event from the email field) has locked the >>> database, and the app returns an error that "the database is locked." >>> >>> So, what suggestion might you all have for getting around this? >> >> You're using AJAX ? That means JavaScript. Put a 3 second pause into >> the routine that returns the query about the email field. 3 seconds >> should be enough to get the database unlocked. > > What if two users sign up at the same time? Javascript surely wouldn't help. >
Right. Which is why I am hoping for some sure-shot way of avoiding such a race condition. -- Puneet Kishor http://www.punkish.org Carbon Model http://carbonmodel.org Charter Member, Open Source Geospatial Foundation http://www.osgeo.org Science Commons Fellow, http://sciencecommons.org/about/whoweare/kishor Nelson Institute, UW-Madison http://www.nelson.wisc.edu ----------------------------------------------------------------------- Assertions are politics; backing up assertions with evidence is science ======================================================================= Sent from Madison, WI, United States _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
