I have a strange performance issue, i think that is not possible:
Given this statement:
SELECT *several_fields* FROM A, B, C WHERE *conditions*
A, B are tables with several LEFT JOINS but they act as one subquery.
If I execute the select above:
SELECT *several_fields* FROM A, B, C WHERE *co
=?UTF-8?Q?Eduard_Catal=C3=A0?= writes:
> Given this statement:
> SELECT *several_fields* FROM A, B, C WHERE *conditions*
> A, B are tables with several LEFT JOINS but they act as one subquery.
You really can't expect useful help if you are going to pose questions
that abstract. You have remov
Yes... i can't exepct useful help with my poor explanation
but your aproach is the right answer!
We were limited with from_collapse_limit.
Cost now is: 112
Many many thanks.
On Thu, Apr 12, 2018 at 5:30 PM, Tom Lane wrote:
> =?UTF-8?Q?Eduard_Catal=C3=A0?= writes:
> > Given this statement
