On Thu, Jan 13, 2011 at 1:59 PM, Simon Slavin <slav...@bigfraud.org> wrote:
> > On 13 Jan 2011, at 10:48am, Simon Davies wrote: > > > CREATE TEMP TRIGGER [UpdatedRowIdTrigger] AFTER UPDATE OF RowId, Id ON > TestTable > > BEGIN > > UPDATE UpdatedRowId Set Value = new.rowid; > > END; > > His problem is that he doesn't know which rows are aliased to rowid, so he > can't provide a list of column names. So the following might be closer > > CREATE TEMP TRIGGER [UpdatedRowIdTrigger] AFTER UPDATE ON TestTable > BEGIN > UPDATE UpdatedRowId Set Value = new.rowid WHERE new.rowid != old.rowid; > END; > > But I don't know whether SQLite can actually do that comparison at that > stage. > > Funny thing we talk so fast I didn't notice that was different Simon ;) It's ok without comparison, I willl wrap update in before/after sections. Before-section will table and trigger, after-section willl get the the actual rowid from temp table and delete both table and trigger. Everything else can be finished in the code. Max _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
