Re: wCTE behaviour

On 2010-11-14 8:01 PM +0200, I wrote:
> In my opinion, all of these should have the same effect: DELETE all rows
> from "foo".

Since the example wasn't entirely clear on this one: in my opinion the 
DML should also only be executed once.  So:

WITH t AS (INSERT INTO foo VALUES (0) RETURNING *)
SELECT 1 FROM t t1, t t2;

would only insert one row in any case.


Regards,
Marko Tiikkaja