Victor: On Fri, Aug 19, 2016 at 8:01 PM, Victor Blomqvist <v...@viblo.se> wrote:
> Thanks! A sub select seems to do it. I suspected it would be needed, that's why I sugested it. I prefer to write the queries as CTEs because they are much easier to read, but IIRC they are some kind of 'optimization fences'. Some times I end up using psql macros to write queries in CTE-like order in my scripts and compose them into sub selects when I have this problems. > Checking these two queries I can see that the first one visits the > max 50 rows its allowed to and returns 5 rows, while the second one > finish off after 13 rows fetched and returns the full 10 rows. Good. The only problem is you are not guaranteed a result, like in the contrived example I gave, but if it is what you want this is a way to go. Francisco Olarte. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
