On Thu, Jun 19, 2014 at 9:37 AM, Tom Lane wrote:
> Pavel Stehule writes:
>> I did some tests and It looks so it allows only some form of nested loop.
>
> [ shrug... ] It's a subplan. One evaluation per outer row is what
> people are expecting.
Is it theoretically possible to convert a construc
2014-06-19 15:37 GMT+02:00 Tom Lane :
> Pavel Stehule writes:
> > I did some tests and It looks so it allows only some form of nested loop.
>
> [ shrug... ] It's a subplan. One evaluation per outer row is what
> people are expecting.
>
ok
regards
Pavel
>
> regards, t
Pavel Stehule writes:
> I did some tests and It looks so it allows only some form of nested loop.
[ shrug... ] It's a subplan. One evaluation per outer row is what
people are expecting.
regards, tom lane
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Hello
I did some tests and It looks so it allows only some form of nested loop.
postgres=# explain (analyze, timing off, buffers) update a1 set b = (select
b from a2 where a1.a = a2.a);
QUERY
PLAN
--
