On Tue, Mar 23, 2010 at 2:09 PM, Gurjeet Singh wrote:
> On Sun, Mar 21, 2010 at 4:29 PM, Robert Haas wrote:
>>
>> On Fri, Mar 19, 2010 at 2:09 PM, Gurjeet Singh
>> wrote:
>> > Is there a way to avoid this double evaluation?
>>
>> Maybe with a CTE?
>>
>> WITH x AS (...) SELECT ...
>>
>> It do
On Sun, Mar 21, 2010 at 4:29 PM, Robert Haas wrote:
> On Fri, Mar 19, 2010 at 2:09 PM, Gurjeet Singh
> wrote:
> > Is there a way to avoid this double evaluation?
>
> Maybe with a CTE?
>
> WITH x AS (...) SELECT ...
>
> It does look like surprising behavior.
>
It was discussed on the IRC tha
On Fri, Mar 19, 2010 at 2:09 PM, Gurjeet Singh wrote:
> Is there a way to avoid this double evaluation?
Maybe with a CTE?
WITH x AS (...) SELECT ...
It does look like surprising behavior.
...Robert
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To make changes to y
Hi all,
explain
select v from (
select array(
select 1
union all
select 2) as v
from (select 1) ) as s
where v is not null;
The plan looks like:
QUERY PLAN
Result (cost=0.08..0.10 rows=1 wid
