On Sun, 3 Aug 2008 22:16:31 -0700 (PDT), you wrote: > I have two databases, an in memory main database > consisting of a single table, and a disk based > database consisting of multiple tables one of which > is also the same table as the one in memory database. > > Let's say in memory database table "foo" consists of > records 1-4000. The "foo" table in attached database > "db2" consists of records 3000-4000. > > All writes are updates after initializing the in- > memory database. What I want to do is execute > "UPDATE foo set val=xxx, where recordid = yyyy". > > Now, I wish to write to both the attached database, > and in-memory database when recordid is between > 3000-4000. > > Is there a way to do this without executing the > update statement twice,
No. Because: 1- you can't update a join 2- you can't define a trigger over main and attached databases > once for foo, and also for > db2.foo (which means conditional logic, testing for > recordid range)? > > Thanks in advance. -- ( Kees Nuyt ) c[_] _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
