On Fri, Dec 20, 2013 at 9:18 AM, Shaun Thomas <stho...@optionshouse.com>wrote:
> On 12/20/2013 09:59 AM, Alvaro Herrera wrote: > > WITH moved AS ( >> DELETE FROM src WHERE .. >> RETURNING * >> ) INSERT INTO dst SELECT * FROM moved; >> > > I know that's effectively an atomic action, but I'd feel a lot more > comfortable reversing that logic so the delete is based on the results of > the insert. > > WITH saved AS ( > INSERT INTO dst > SELECT * FROM src WHERE ... > RETURNING * > ) > DELETE FROM src > WHERE ...; > > I'll admit yours is cleaner, though. :) > That is a good idea. I didn't even realize that there was such a command, so I'll definitely use those.
