On Fri, Oct 14, 2011 at 4:45 PM, Jon Nelson <jnel...@jamponi.net> wrote: > What is the SA equivalent of: > > UPDATE foo SET bar=some_function(baz) WHERE bar IS DISTINCT FROM > some_function(baz) > > I get this far (assuming 't' is a Table instance): > > t.update().values(t.c.bar=sa.func.some_function(t.c.baz).where( ... > what do I put here .... ) > > IS DISTINCT FROM (and IS NOT DISTINCT FROM) are supported in firebird > and postgresql, and possibly others.
Is using 'op' the right way? c = sa.func.some_function(t.c.baz) t.update().values(t.c.bar=c).where(t.c.bar.op("IS DISTINCT FROM")(c)) -- Jon -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com. To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.