Re: SOLVED - RE: Poor performance using CTE

On 15/11/12 15:03, Peter Geoghegan wrote:
> On 15 November 2012 01:46, Andrew Dunstan <andrew@dunslane.net> wrote:
>> It cuts both ways. I have used CTEs a LOT precisely because this behaviour
>> lets me get better plans. Without that I'll be back to using the "offset 0"
>> hack.
> Is the "OFFSET 0" hack really so bad? We've been telling people to do
> that for years, so it's already something that we've effectively
> committed to.
>
How about adding the keywords FENCED and NOT FENCED to the SQL
definition of CTE's - with FENCED being the default?


Cheers,
Gavin